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ZLH Service Manual

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1. Engine PCB ASSY Ole Engine PCB ASSY 4 73 Fan motor 60 unit j i z2 5 Engine PCB ASSY
2. Ell Engine PCB ASSY CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY Laser unit LD harness 5P 8 Panel PCB Panel PCB Main PCB ASSY Laser unit Main PCB ASSY Thermistor Main PCB ASSY 4 74 MFC 8220 SERVICE MANUAL Speaker I Main PCB ASSY Speaker Front Engine PCB ASSY
3. 6 2 8220 SERVICE MANUAL 1 3 Identify the Problem If you encounter any machine error or problem first identify it referring to the chart below then see the appropriate section NOTE The following troubleshooting sections contain both the actions which users should take or check and the ones which service technicians should perform The machine does not print The machine does not work not load paper reception of fax 7 Troubleshooting of Telephone Fax Functions 3 2 Original Jams 3 3 Paper Jams can not be done 2 6 Troubleshooting of the Control Panel EE machine does 4 Software Setting Problems Other defect 5 Malfunctions not start EE 10 10 Network Problem Problem Printed page has a problem 8 Image Defects 3 4 Paper Feeding Problems Printout is not EE 9 Incorrect Printout Printed image has a problem 6 3 CHAPTER 6 TROUBLESHOOTING 2 2 1 ERROR MESSAGE Error Message on the LCD If a machine error occurs the machine emits an audible alarm continuous beeping for approximately 4 seconds and shows the error message on the LCD For the error message see below Error Message Cause Action Change Drum The drum unit is near the end of Use the drum unit until you have a Soon its
4. Hi Printer m 48 18 1 o Ovop3 6298 C186 pom a voos 0 8 48 wo 319 4194 _ ovoos VCC CABLE 485 Caos 303 UO g 832 8 8 s 68 w 88888888 18 ov d 000 28 ov ERA A lat cov CDCC Dl 7 0 m 7 01 22 lt ov E g 85 5883 8 x 9055 0191 La ed 4t 0101 So s s o oss ov 605 0111 ERN 40 0141 24 lt ov 11 38 012 25 lt ov 1 12 37 otal i ov 100 0141 13 35 0141 i 27 ov 151 14 bis i laa lt ov 0 olsi ac 7 2 on l 2 4 27 10 3 46 H ree RU vil i gt TM va malis 12 E te 13 REF s 43 vi it gt FLT 18 23 2 HBUSY IN c 33 ie id i 44 lt ATFEED 14 HS VV lem 58 28 21 18 1 1 1 SELIN SECINCIN EE 15 I as 58 27 22 18 ININ ING lo INPRIM HEUSY_IN gt 16 BUSY EJ d iti 2 5 25 23 48 STALIN tj i sm STEIN 17 An STEN ETEN iil x J dda 35 5888 8 8 a 8 ai glgtalel S Spo Pavia wo ev 017 0 0 22 12 562 0O Fig 3 5 3 4
5. 3 20 2 6 Toner Cartridge tete aE 3 20 2 1 PrhntPrI OGeSS adu ses Me 3 20 2 7 1 9 lt 3 20 27 2 EXDOSULC 3 21 2753 DEVEIOPIN 3 22 MANS IG eo 3 22 NEUE 3 23 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 1 1 SAFETY un px LEE ede bl 4 1 2 DISASSEMBLY FLOW Gl PUR e 4 2 3 DISASSEMBLY PROCEDURE 4 3 3 1 Power Cord bapcadse iaia aa aaia 4 3 3 2 Dram nem ees ui eee desea 4 3 3 3 Paper Tray iere obiter atu deret ipd are E C EC C ERROR 4 4 3 4 Rear Cover GC sies cees vesc OR e ken 4 13 3 5 Access Cover Battery 55 2 2 1 hine Magna uin banana antur enin 4 14 3 6 Control Panel ASSY u acc 4 16 3 4 Document Scanner 5 Leite diced hee ie fo oe
6. R307 R306 TIN TANI 19d enu 1 MIT ANI Ac vetu secu HR M C408 Wr R209 R208 R207 WW Wr Ar Wr Mir SIEU 6 BIEN R221 8228 R219 LIEY 60 8220 SERVICE MANUAL Appendix 4 14 High voltage Power Supply PCB Circuit Diagram 200V 2 VCC24V 10 VERSION 1 GND24 5 3 GRIDC 4 VCLN 9 TRCC B PWM TRCC R216 c204 o 7 TRCV 61 APPENDIX 4 CIRCUIT DIAGRAM Appendix 4 15 Back Light PCB Circuit Diagram BACK 11 GHT RED GREEN 572 5 6 FSEN iu Vf MIN 9 1 0 Xa If MAX Da 0 1 05 1 0V 2402 xa 95 Iu 5B a 18 7mA MAX a 18 7mAx18 7 120 0 95 gt 6 399W REG
7. 0 23 as P2 225 33 8 BHL ACE ui 4 3 4 4 7 3 Ute Ix _ CYPRESS w e 1 41 2 2 0 5 i 2 0 1 9 Jie 7 L 3PIN St 4PIN SO FRSEL uss 4 FUJITSU a o 1 o 15 40 1 05 SPIN 50 4PIN 51 ENS Fig 3 3 EAE aca ica E N 78 3 10 CHAPTER 3 THEORY OF OPERATION The functions of the interface block communication with external devices are described below 1 3 2 USB Stores the data received from the PC into DRAM as controlled by the DMA controller The transmission speed is 480Mbps or 12Mbps T C141 ms USB 0 C101 ic TP Us 187 BIS 10 ext 3 DATA USB HSOM E AB 2 XCDATA 201272 4 ovo gt lt GND 2101 pev IEW 5 122102 IF_FG3 SFG 8723 45200 Fig 3 4 1 3 3 1 1284 Stores the data received from the into DRAM as controlled by the controller It is applicable to both normal receiving and bi directional communication nibble mode byte mode ECP mode 74LVX161284 3 3V lt gt 5 0V level shifter IC stores the pull up resistance in signal wire at the connector side L Printer RC
8. 1 3 2 6 Specifications for Document Feeding 1 3 2 6 1 Specifications for 1 nere en nni 1 3 2 6 2 Specifications for ener 1 4 ab ulmo 1 4 2 8 Interfaces EET 1 4 29 Consumable e genae aee en rax een en eue 1 4 PRIMI S 1 5 2 11 RAD CM i 1 5 2 11 1 Feedable paper ict tr ti P EL Ra E ren 1 5 2 11 2 Paper Capacity rere 1 7 24113 Paper QUID UL eec 1 7 2 12 Printable Area oie DR esate 1 7 2 13 Print Speeds with Various 1 8 2 14 Toner Cartridge Weight Information 1 9 3 SERIAL NO DESCRIPTIONS 1 10 CHAPTER 2 INSTALLATION AND BASIC OPERATION 2 1 1 CONDITIONS REQUIRED FOR INSTALLATION 2 1 1 ZUUESdE 2 1 1 2 Se 2 1 1 3 System Requirements for Brother Printer 2 2 UNPACKING T P 2 3 ca 2 5 CR FOr AU
9. siete enn 6 3 2 ERROR MESSAGE situm itd e ELE PIE iste E ed 6 4 2 1 Error Message on the LCD end aeta der eaa dna de dna de dedu 6 4 2 2 Error Codes Shown in the MACHINE ERROR X X 6 6 X PAPERDPROBLEEMS 5 pror erae en 6 10 3 1 Paper Loading Problems uttter eto enu VE 6 10 3 2 Oniginal Jaiis eerte mr emer te end tee eR e ERE AEn 6 11 3 2 1 Original is jammed in the ADF Automatic document 6 11 3 3 6 11 3 3 1 Clearing jammld iieri eren itor cedere Ern eheu 6 11 3 3 2 Causes amp 2 1 iiit patents ce td arare aa a Doku RR cona iar 6 15 34 Paper Feeding Problems 5 cete b E e 6 16 4 SOFTWARE SETTING PROBLEMS RAP ER RES EXER OA GO RENE 6 18 5 MMAEEUNGTIGONGS TEES 6 20 6 TROUBLESHOOTING OF THE CONTROL PANEL 5 2 rr ei ro rater hs 6 24 7 TROUBLESHOOTING OF FAX 6 26 8 IMAGE DEFEC S MY 6 31 98 1 Image Defect Examples ree ee
10. Error Error factor Check Code Hex Not used Less than 50 of white level AC ES date is incorrect Not used CIS home position sensor CIS AE remains OFF In other words the CIS unit Driver PCB does not return to the home position Main PCB Not used CIS home position sensor AF remains ON In other words the CIS unit remains in the home position BO Scanner motor harness half inserted Scanner motor harness B1 Not used Dark level offset data level error CIS for scanning Main PCB B2 Not used Gain control data level error for scanning B3 Not used Scan area left edge detection CIS error Main PCB Not used Scan area right edge detection Black markings on Ine white level B4 error 9 reference film inside the scanner top cover Not used Horizontal scanning edge B5 reduction detection error in scanning area setting Not used Horizontal scanning edge B6 enlargement detection error in scanning area setting A D converter standard voltage failure at B7 High side A D converter standard voltage failure at B8 Low side B9 Scanning light source failure CIS Main PCB Not used Magnification failure of virtual BA white level Scanning white level failure CIS BB Main PCB White tape Not used Virtual white level data failure in BC Photo mode BD Black level data error CIS Main PCB Not used Detection failure of black marks CIS on white level standard film Driver PCB BE Black
11. CNET fetes c H 1g4PIN GAP MOTOR DRIVER Ho pav 8 8 T 7 9 7259148012 thos ECAIHGI01 i m ceo E 2 5012012 zr s 9 68 ven R73 kt iF VFA VFB 46 P104 IKEF ve DO y EF t ATOASTN vIH 1 52 0V FESETIC VOH VOD3 Tout VH nox 191v VH iig A 52 m 6 6 8220 SERVICE MANUAL Appendix 4 6 Main PCB Circuit Diagrai A 2 o 100 409 12V FES 10V10D ION f 1 47 TV INTE DATA SI2T 5131 DATA S AT DATA SIST DATA SIST DATA SUT Feo our 5 21 a Ties E EMF ANALOG SW 16 TSSOP ANALOG SW 16 TSSOP 1 Ree 148 4 7K Et p 5 2 FE3 10V40 F SPkR 2 gt
12. alee tH C104 Te lcm WHITE 48 Appendix 4 2 Main Circuit Diagram 2 6 MFC 8220 SERVICE MANUAL 000 017 01 amp a a s e a a u u u a a ENGINE Qus iyaw 1508 gt La 35 no L31 y amp Iz 5 8 FG lt gt IF_FG TS 2 encct o re US ence lt gt ues 5 ev lt gt FG BLMIBPK22ISNID 1608 t19 128 EMT 121 APPENDIX 4 CIRCUIT DIAGRAM Appendix 4 3 Main PCB Circuit Diagram 3 6 9 DATAL45 9 125 parate TR DATALFLO DATA FLiT DATA Fla gatal3 DATA F 3 para TRE DATA Fl4 DATAIS DATA FISI DATAS DATA F GI DATAFI7 FL
13. detection 0 1 4 Not used 5 26 Registration of station ID 0 Permitted 1 Prohibited 8 No 7 0 X No monitoring 7 1 0 Up to phase B at the Tone sound monitoring calling station only 8 1 All transmission phases both at the calling and called stations e Selectors 2 and 3 Detection enabled time for CNG and no tone After the line is connected via the machine or the external telephone the machine can detect a CNG signal or no tone for the time length specified by these selectors The setting specified by these selectors becomes effective only when selector 8 of WSW20 is set to 1 e Selectors 7 and 8 Tone sound monitoring These selectors set monitoring specifications of the tone sound inputted from the line A 24 8220 SERVICE MANUAL WSW19 Transmission speed setting First transmission speed choice for fallback 2 400 bps 4 800 bps 7 200 bps 9 600 bps 12 000 bps N 3 4 for fallback 6 Last transmission speed choice 14 400 bps 0 1 7 V 34 mode 0 Permitted 1 Prohibited 17 0 Permitted 1 Prohibited NOTE For the transmission speed setting in V 34 mode refer to WSW39 e Selectors 1 through 6 First and last choices of transmission speed for fallback These selectors are used to set the modem speed range With the first transmission speed choice
14. 1 1 28 15 1291 ec sr 3 t aca CIR E5 pu 39 1 4 A tn C103 25 Cit6 0310 soue 8 8 8 37 8 8 20 L5 SU eC Sr 3 0 3 1 47 CIR 5 10 3 18 4 1 5 28 ov 2 10 SE 141 DATA S ala 23 5 DaTASIal 2 7 DATASI3 25 8 5141 MAIS 26 10 515 ADRIG 29 11 _ 516 13 paTasi7 4DRIBI 42 5 8 44 ADRIS 2 6191 ADR 401 _0 7 81101 34 4 ADRI 41 E vos 51111 ADRI 12 mS 51121 ADR 43 50 DATA S13 114 5 DO 54 nasi s4T mm 2 mya ut J 81151 45561632 ait 1 GA GF 3 1E 3 3C 4 1C 4 58 4 G DATA SI 15 9 Fig 3 8 3 6 1 3 7 Optional RAM A 32bit 100 pin DIMM can be fitted as optional RAM capacity of DIMM can be from 16MB to 128MB MFC 8220 SERVICE MANUAL The main PCB has one slot and the 00115 0 DIMM 0010 2 yooo pals cot dis 0012 zo Eram 0013 8 0014 L2 0015 0016
15. Connection 1 Main PCB and speaker are No Fix the connection properly between main properly connected PCB and speaker Speaker 2 Replacement of speaker Yes Replace the speaker with a solves the problem normal part Connection 3 Main PCB and NCU PCB are No Fix the connection properly between main properly connected PCB and NCU PCB Harness 4 Harness wire is damaged Yes Replace the harness with a between main normal part PCB and NCU PCB Connection 5 Main PCB and control panel No Fix the connection properly between main PCB are properly connected PCB and control panel PCB Harness 6 Harness wire is damaged Yes Replace the harness with a between main normal part PCB and control panel PCB NCU PCB 7 Replacement of NCU PCB Yes Replace the NCU PCB with solves the problem a normal part Main PCB 8 Replacement of main PCB Yes Replace the main PCB with solves the problem a normal part Dialing function does not switch between tone and pulse Connection 1 Main PCB and NCU PCB are No Fix the connection properly between main properly connected PCB and NCU PCB Harness 2 Harness wire is damaged Yes Replace the harness with a between main normal part PCB and NCU PCB NCU PCB 3 Replacement of NCU PCB Yes Replace the NCU PCB with solves the problem a normal part Main PCB 4 Replacement of main PCB Yes Replace the main PCB with solves the problem a normal part
16. Front Handset holder ASSY Hook PCB ASSY Main PCB ASSY 4 75 8220 SERVICE MANUAL CHAPTER 5 PERIODIC MAINTENANCE To avoid creating secondary problems by mishandling follow the warnings below during maintenance work WARNING 1 Always turn off the power switch and unplug the power cord from the power outlet before accessing any paris inside the machine 2 Some parts inside the machine are extremely hot immediately after the machine is used When opening the front cover or rear cover to access any parts inside the machine never touch the shaded parts shown in the following figures 1 CONSUMABLE PARTS The consumable parts described in this section are parts which are subject to deterioration or damage and should be replaced at least once during the period of warranty of the product if any print quality problem appears 1 1 Drum Unit Life expectancy 20 000 pages When printing A4 size paper at 596 print coverage The life expectancy of the drum unit is approximately 20 000 pages when printing A4 size paper at 596 print coverage The actual number of pages that your drum will print varies depending on an average print job type and type of paper to be used NOTE e There are many factors that determine the
17. 3 Check the printer driver is installed correctly Possible cause Step Check Result Remedy Machine 1 Select Apple System Profiler No Check the machine is turned connection in Apple Menu Are the on and the USB interface following items indicated in the cable is connected correctly USB box of the Device and Check that the USB cable Volumes tab used is the shielded twisted e Product ID 0x18 pair type and 5 m or less Vender Brother International Try to connect the machine Corporation or 0 419 and PC with the USB cable directly NOTE The value or alphabet following BR is a product ID CHAPTER 6 TROUBLESHOOTING 5 MALFUNCTIONS When taking countermeasures for malfunctions as described in this section check connectors for contact failure before measuring the voltage at the specified connector pins M 1 No AC power supplied Possible cause Step Check Result Remedy Supply voltage Is the correct voltage present Inform the user that the at the outlet correct voltage is not supplied at the outlet 15 the power cord securely Plug the power cord securely plugged into the outlet into the outlet Fuse F1 F2 3 Is the fuse blown Yes If the fuse blows again immediately after replacing the low voltage power supply PCB check that there is not a short circuit somewhere in the AC power supply line Wiring Unplug the power supply plug Replace the AC power cord Is there a broken wire between the AC i
18. cup M3x8 12 Remove the two cup M3x8 screws and release the two hooks then remove Back light PCB ASSY LCD Panel PCB ASSY Fig 4 33 13 Release the two hooks and then remove the LCD holder LCD holder Hooks Fig 4 34 4 20 8220 SERVICE MANUAL 14 Release the two hooks and then remove the LCD 15 Release the three hooks and then remove the back light PCB ASSY Back light PCB ASSY Hooks Fig 4 35 3 7 Document Scanner 1 Remove the four screws and then remove the document chute ASSY 2 Disconnect the two connectors scanning motor CIS unit Screws Scanning motor gt 5 Document chute ASSY lt gt CIS unit 4 21 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 83 As moving the hook upward remove the CIS unit Hook Document chute ASSY CIS unit Fig 4 37 4 Release the hook of the gear cover and then remove the gear cover 5 Remove the two screws and then remove the LF ground plate spring 6 Release the hook and then remove the ejection roller Ejection roller LF ground plate spring Screws Hook Fig 4 38 8220 SERVICE MANUAL Release the hook and then remove the LF roller 7 roller Document chute 55 Fig 4 39 Remove the ejection pinch roller 8 Ejection pinch roller Document chute ASS
19. 0 Eus Insert the paper tray 8 5 16 9 Insert the power cord to the machine CHAPTER 5 PERIODIC MAINTENANCE 2 2 Paper Feeding Kit Disassembly Procedure 1 Disconnect the power cord from the machine Machine EE i Power cord Fig 5 27 2 Close the front cover ASSY and pull out the paper tray Front cover ASSY m Fig 5 28 5 18 a2 N MFC 8220 SERVICE MANUAL 3 Remove the pad holder and the separation pad spring from the paper tray Pad holder 9 Separation pad spring Fig 5 29 Turn the machine over Remove the bush R Remove the paper pick up roller ASSY Remove the two roller collars from the paper pick up roller ASSY Roller collar Paper pick up roller ASSY Roller collar Bush Fig 5 30 5 19 CHAPTER 5 PERIODIC MAINTENANCE Assembly Procedure 1 Mount the two roller collars to the paper pick up ASSY 2 Mount the paper pick up roller ASSY 3 Mount the bush R 4 Turn the machine back to the original orientation Roller collar Paper pick up roller ASSY Roller collar Bush R Fig 5 31 5 Mount the pad holder and the separation pad spring to the paper tray Pad holder RN Separation pad spring Fig 5 32 5 20 CHAPTER 5 PERIODIC MAINTENANCE 3 PERIODICAL CLEANING Clean the following parts
20. Fig 4 116 4 64 MFC 8220 SERVICE MANUAL 5 Remove the two bind B M4x12 Taptite screws 6 Remove the cup S M3x6 Taptite screw 7 Remove the drum spring R 8 Remove the FG plate T f RM RN Re d 2 Taptite cup S M3x6 S DOLETA ERO Drum spring R _ Taptite bind B 4 12 Fig 4 117 9 Remove the toner sensor PCB unit Light reception Main frame R Toner sensor PCB unit Light reception Fig 4 118 4 65 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 PACKING Quick set up guide CD ROM User s manual ADF document output support Telephone handset 8 Telephone line cord Drum unit ASSY Polystyrene foam ASSY Polystyrene foam ASSY Fig 4 119 4 66 5 MFC 8220 SERVICE MANUAL GUIDELINES FOR LEAD FREE SOLDER Information on Manually Repairing PCB Soldered with Lead Free Solder This document provides information on how to correctly make manual repairs to a printed circuit board PCB soldered with lead free solder 1 Characteristics of lead free solder Melting point higher than that of conventional tin lead solder Lead free solder approx 220 C Conventional tin lead solder approx 180 C Relatively poor solder wettability and spread difficult to wet and spread and hard Appearance dull and grainy surface different from that of conventional solder Relatively poor wettabili
21. 6 22 8220 SERVICE MANUAL NOTE e This problem will be cleared if leaving the printer power ON for ten minutes e Ifthe heater is cooled down sufficiently this problem may be cleared by enter the maintenance mode after press 9 key twice Be warned however that this operation will melt the fixing unit if the heater is hot M 10 Main PCB failure Possible cause Step Check Result Remedy Main PCB 1 Is it possible to copy No Replace the main PCB failure Software bug 2 Does this problem appear Inform the Brother office of when printing specific data or the used specific data printing under a specific machine condition and environment system environment M 12 Engine PCB failure Fixing unit 1 Is the ground wire on the fixing No Secure the ground wire ground wire unit secured with the shoulder correctly with the shoulder connection Screw correctly Harness 2 Is the connection of the No Reconnect the connectors connection connector between the main securely failure PCB and the engine PCB connected correctly Engine PCB 3 15 the problem solved by No Replace the engine PCB failure replacing the engine PCB Main PCB 4 15 the problem solved by No Replace the main PCB failure replacing the main PCB DIMM failure DIMM failure 1 Try installing DIMM into another machine then check the memory size in Print Settings Is it possible to print the data Replace the DIMM 6 23 CHAPTER 6 TROUBLESHOOTING 6
22. UVRICLOOMAAIFA d 5xL11 APPENDIX 4 CIRCUIT DIAGRAM Appendix 4 7 Engine PCB Circuit Diagram 1 2 HEAT THM EJECT to LT SOL and WFAN SOLVA PARTS SIOE VIEW R103 Ej M cs SIDE 1 2 3 4 A 5 6 5000 7 8220 SERVICE MANUAL Appendix 4 8 Engine PCB Circuit Diagram 2 2 1 2 3 4 7 5 6 7 x 49 8 30040 pitch 64pin GFP o SOFT HEATER ONTROL ON OV HEATER OFF 8 PEREL 32161 50 0 16A R COV 2 YELLOW i aox 1 2 3 4 A 5 6 5 7 APPENDIX 4 CIRCUIT DIAGRAM Appendix 4 9 NCU PCB Circuit Diagram Europe ADRESS LL G4 42500 1 LG4425011 R
23. 4 21 38 Outer Chulte cei cese a eq rec 4 26 3 9 Rear Cover eiecti epe ERI ERA e ee eet 4 27 3 10 Side Cover L R eese a Ohne oa sca aude open dnd ak dan sons godes 4 28 3 11 Top Cover ASSY 4 29 3 12 Front Cover ASSY oen bed dee cse dia i e eae rano d Ea a a 4 34 SmEMICP 4 35 SEM 4 36 3 15 Laser Unit eee eee Ede ere ee Debe ende 4 45 3 16 Main PCB ASSY ceci vcre 4 46 3 17 Base Plate LV Insulation 2 0 20000 000000000000 4 48 3 18 Engine PCB ASSY Ma aga Rae 4 49 3 19 High voltage PS PCB 55 4 50 3 20 Low voltage PS PCB ASSY nina ek iR Rege Fo tigna idu vn 4 50 3 21 eerte HERR IEEE a D aene Ehe M EET RR ER Ee 4 52 3 22 Frame L Drive 100 00100 00 4 59 3 23 Thermistor AS OY xe tenere atu mure de een 4 63 3 24 Fan Motor 60 Unit LV Fan Motor 60 Unit 4 63 3 229 Frame R CEP 4 64 d PACKING 4 66 5 GUIDELINES FOR LEAD FREE SOLDER 4 67 SCREW a 4 70 CUBRI
24. 419 42 21 21 vss vss ves aeo aee a20 NC 2 nc ves NC LLLA MFC 8220 SERVICE MANUAL CHAPTER 3 THEORY OF OPERATION 1 3 5 Flash ROM A 32Mbit flash ROM x 16bit is fitted FLASH for MAIN PROGRAM E e V Ue rote Ve 4 cim i i fel ok gt j FLASH PIN Eie TOSHIBA d FUJITSU OKT vos ved coe eA 14 3 ata aio ass 29 _DATAFIO a v at nc 20 34 DATAFI4 44 Nc Nc Nc 33 DATA FI2l 15 av Nc 48 35 47 veca Byte Byte Byte amp vte 38 DATA FIA 7 48 DATA F S DATA 6 5 2 E 5 1 poz 44 DATA FUT 41 30 _DATAFIB 3e 91 2 a 34 EET AF 1 jus 39 D Em 48 6 paral 2 EE az I 44 panels 114 ie 3 T 9 porsa _ lt 8_ 145 10 MENESGES2OVP 80 DATA FL45 9 345 436 GA 6C 3 1 3 37 4 1 4 88 4 88 RED Fig 3 7 1 3 6 SDRAM SOCSNO gt ewec er s 16 3 30 4 1c 25
25. 8220 SERVICE MANUAL 7 Remove the pressure roller collar 8 Remove the pressure roller shaft Pressure roller shaft Pressure roller collar Pressure roller holder ASSY 9 Remove the scratch spongy holder ASSY from the pressure roller holder ASSY 10 Remove the two scratch spongy springs 11 Remove the scratch spongy from the scratch spongy holder ASSY Scratch spongy Scratch spongy holder ASSY Scratch spongy springs Pressure roller holder ASSY CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 12 Remove the two cup B M2 6x5 Taptite screws 13 Release the lock of the pressing plate using the lock lever and then disengage the catches of the side guides R and L from the side guide rack Side guide L Taptite cup B M2 6x5 Taptite cup B M2 6x5 Side guide rack Paper tray Side guide rack Side guide L Fig 4 11 14 Remove the side guides right and left from the paper tray Side guide L Side guide R Paper tray Fig 4 12 4 8 8220 SERVICE MANUAL 15 Unhook the two catches A of the pressure plate while pulling the plastic frame outwards then unhook the other two catches B of the plate while pulling the plastic frame outwards to remove the pressure plate ASSY Catches A Paper tray NA Catch B Plastic frame Fig 4 13 16 Unhook the pressure plate spring from the plastic hook to remove the two pressure plate springs Paper tray
26. The room temperature is maintained between 10 32 5 C The relative humidity is maintained between 20 and 80 machine is not located in a dusty place The machine is not exposed to ammonia fumes or other harmful gases The machine is not located in a hot or humid area such as near water or a humidifier The machine is not exposed to direct sunlight The room is well ventilated The machine is not placed where the ventilation hole of the machine is blocked Print paper Check if A recommended type of print paper is being used If the paper is too thick or too thin or tends to curl paper jams or paper feed problems may occur or printed images may be blurred The print paper is damp If so use fresh paper and check whether the print quality improves or not e The print paper is short grained paper or acid paper If so print quality problems may occur For further information on paper refer to subsection 2 3 Paper in CHAPTER 1 Consumable parts Check if The LCDs on the machine control panel indicate Toner Empty If the LCDs indicate Toner Empty replace the cartridge with a new one For further information on consumable parts refer to 1 CONSUMABLE PARTS in CHAPTER 5 6 1 CHAPTER 6 TROUBLESHOOTING 1 2 4 Others Condensation When the machine is moved from a cold room into a warm room in cold weather condensation may occur inside the machine
27. 11 To install Presto PageManager click Install next to the Presto PageManager icon and follow on the Screen instructions NOTE You can easily scan share and organize photos and documents using Presto m PageManager OK Presto has been installed and the installation is now complete 2 28 8220 SERVICE MANUAL 3 2 6 For USB Interface Cable Users For Mac OS X 10 1 10 2 1 or greater Users 1 SER 5 6 7 Turn off and unplug the machine from the AC outlet and disconnect it from your Macintosh if you already connected an interface cable Turn on your Macintosh Insert the supplied CD ROM for Macintosh into your CD ROM drive Double click the Start Here OSX icon to install the printer driver Scanner driver Brother PC FAX Send and Remote Setup program If the language screen appears select your language Scanning is not supported in Mac OS 10 1 Click Install next to the MFL Pro Suite Select USB Interface and then click Install Connect the USB interface cable to your Macintosh and then connect it to the machine Caution Do not connect the machine to a USB port on a keyboard or a non powered USB hub Plug the machine into the AC power outlet Turn the power switch on Select Applications from the Go menu Open the Utilities folder Open the Printer Center icon Click Add Printer Select USB Select your machine and then click Add Select Qu
28. 6 Release the hook and then remove the hook PCB ASSY Hook PCB ASSY Handset holder lower Fig 4 55 4 81 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 7 Remove the four bind B 4 12 Taptite screws 8 Release the two hooks and then remove the inner chute Inner chute Taptite bind B 4 12 Taptite bind B 4 12 Top cover ASSY Hook Fig 4 56 9 Remove the eject roller ASSY from the top cover ASSY Eject roller ASSY Top cover ASSY 4 32 MFC 8220 SERVICE MANUAL 10 Remove the corrugation pinch roller L R and pinch roller holder GL pinch roller L R Pinch roller holder poor gt Pc CES GT Fig 4 58 11 Remove the paper stopper and the paper stopper S Paper stopper lt gt gt 5 Fig 4 59 NOTE For the way how to attach the additional ribs refer to LOCATION TO ATTACH THE ADDITIONAL RIBS in APPENDIX 5 4 33 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 3 12 Front Cover ASSY 1 Release the link 2 Remove the front cover ASSY Front cover ASSY Fig 4 60 4 34 MFC 8220 SERVICE MANUAL 3 13 1 Disconnect the connector 2 Remove the two cup S M3x6 Taptite screws and then remove the NCU unit Hook LY Dx 577 NCU harness Main PCB ASSY NCU unit T
29. A10 10 mH 33 629 49 mH xc Ices Bode mH 34 enc ca FM mH cics 2245 mH Aics 4 104 971 225 Use 2 163 At 13 5 1 1 64 1 6C 1 67 3c 4 1C 4 58 4 60 SEAS E ed m Tul maj c1eg caza 103 C103 Fig 3 9 1 3 8 EEPROM EEPROM is BR24126 type of two wire method with 8192 x 8bit configuration 179 AS PER 4 P67 oov 100 6 1 Ser BWV X see 5 Z best E ov Fig 3 10 3 7 CHAPTER 3 THEORY OF OPERATION 1 3 9 Reset circuit The reset IC is a R3112N281C The reset voltage is 2 8V typ and the LOW period of reset is 22 4ms typ voo3 c13 C10 Cid4 C103 5 vecL 2 68 3 vour X P3112N281C T5246 3 ev Fig 3 11 1 3 10 Engine I O The interface with the engine PCB is by full duplex synchronous serial method of which transfer rate is 520kbps ENGINE 047 g Gub a L 13 ems Te 55 reser Ei E A NER S L31 BLMISEDIGZPNID 4 pyg 8 Tz 3 Sev Are 8 e a 8 8 4
30. CIS unit Fig 3 20 2 2 1 Document feeding and ejecting mechanism This mechanism consists of the ADF document support automatic document feeder ADF document ejection roller ASSY and document sensors For details about the sensors refer to Section 2 4 If you set documents on the ADF document support with their faces down and start scanning operation then the scanner motor rotates so that the ADF which consists of the document take in roller ASSY nip related parts separation roller ASSY and ADF parts feeds those documents into the equipment starting from the bottom sheet first page to the top last page page by page Each document advances with the document feed roller ASSY to the scanner and then it is fed out of the equipment with the document ejection roller ASSY 2 2 2 Scanner The scanner uses a contact image sensor CIS unit which consists of an LED array illuminating documents a self focus lens array collecting the reflected light a CIS PCB carrying out photoelectric conversion to output picture element data and a cover glass on which a document advance When the document passes between the document pressure bar and the cover glass it is scanned 3 14 2 3 2 3 1 2 3 2 8220 SERVICE MANUAL Paper Transfer Paper supply The paper pick up roller picks up one sheet of paper from the paper tray every time it is rotated and feeds it to the paper feed roller First feed roller First feed pinch
31. These selectors are used to adjust the transmitting level of the modem when the reception level at the remote station is improper due to line loss This function applies to super G3 protocol signals A 42 8220 SERVICE MANUAL WSW42 Function setting 20 Incoming mail server 0 OFF 1 ON Incoming mail server SMTP 0 OFF 1 ON Internet FAX forward function 0 OFF 1 ON JBIG coding system 0 Disabled 1 Enabled POP Post Office Protocol SMTP Simple Mail Transfer Protocol 5JBIG Joint Bi level Image Group NOTE e Selectors 1 through are applicable to those models equipped with LAN interface e Selector 3 Internet FAX forward function If this selector is set to ON the machine may forward a FAX message received through Internet to other remote G3 facsimile equipment WSW43 Function setting 21 Addition of a header station ID to FAX images to be sent to PCs having e mail addresses Wait time for PCFax reception Class 2 and FPTS command transmission Sa Automatic start of remote 1 Yes maintenance JPEG coding Not used Disabled Enabled Selector 1 is applicable to those models equipped with LAN interface 2 3 4 Detection time of 2100 Hz CED or ANSam 5 NOTE e Selector 8 JPEG coding Not used Setting this selector to 0 disables the equipment from sending receiving JPEG color images and from receiving JPEG monochrome images A 43 APPENDIX 3
32. To avoid creating secondary problems by mishandling follow the warnings and precautions below during maintenance work Awane 1 Always turn off the power switch and unplug the power cord from the power outlet before accessing any parts inside the printer 2 Some parts inside the printer are extremely hot immediately after the printer is used When opening the front cover or rear cover to access any parts inside the printer never touch the red colored parts shown in the following figures caution 1 2 3 4 5 7 8 9 Be careful not to lose screws washers other parts removed Be sure to apply grease to the gears and applicable positions specified in this chapter When using soldering irons or other heat generating tools take care not to accidentally damage parts such as wires PCBs and covers Static electricity charged in your body may damage electronic parts When transporting PCBs be sure to wrap them in conductive sheets When replacing the PCB and all the other related parts put on a grounding wrist band and perform the job on a static mat Also take care not to touch the conductor sections on the flat cables or on the wire harness sure to replace self tapping screws correctly if removed Unless otherwise specified tighten screws
33. e Avoid feeding labels with the carrier sheet exposed or the machine will be damaged Before loading paper with holes such as organizer sheets be sure to fan the stack well e Do not use organizer sheets that are stuck together The glue that is used might caused damaged to the machine e When printing on the back of pre printed paper if the paper is curled be sure to straighten the paper as much as possible e Different types of paper should not be loaded at the same time in the paper tray to avoid any paper jams or misfeeds 1 6 8220 SERVICE MANUAL 2 11 2 Paper capacity Paper tray Tray 1 Manual feed tray Lower tray Tray 2 Paper capacity 250 sheets 80g m 1 sheet 250 sheets 80g m 2 11 3 Paper output 1 Face down output tray Output capacity 150 sheets 80g m Only in the case of face down output 2 Face up output tray Output capacity 1 sheet 80g m Only in the case of face up output Hint Face down output Output paper with its printed surface turned down Face up output Output paper with its printed surface turned up 3 The output methods according to paper types as shown below are recommended Paper types Paper output Face down output Face up output Plain paper 0 Li Thick paper Recycled paper Transparency 0 Label Post card 2 12 Printable Area Unprintabl
34. essen nennen nennen nnns 6 59 10 14Web Browser Troubleshooting 6 59 10 15Internet Fax Troubleshooting a nnne 6 60 CHAPTER 7 MAINTENANCE 7 1 1 ENTRY INTO THE MAINTENANCE MODE 7 1 2 UST OF MAINTENANCE MODE FUNG TIONS 7 2 3 DETAILED DESCRIPTION OF MAINTENANCE MODE FUNCTIONS 7 4 3 1 EEPROM Parameter Initialization Maintenance mode 01 91 7 4 3 2 Printout of Scanning Compensation Data Maintenance mode 05 7 5 3 3 ADF Performance Test Maintenance mode 08 7 7 3 4 Test Pattern 1 Maintenance mode 09 7 8 3 5 Firmware Switch Setting and Printout enne 7 9 3 5 1 Firmware switch setting Maintenance mode 10 7 9 3 5 2 Printout of firmware switch data Maintenance mode 11 7 11 3 6 Operation Check of LCD Maintenance mode 12 7 12 3 7 Operational Check of Control Panel PCB Maintenance mode 13 7 13 3 8 Receiver Volume Adjustment Maintenance mode 16
35. 3 12 B 3 13 2 1 Overview of Printing IVIBODSTIISITI 3 13 2 2 Scanner Mechanismen knak 3 14 2 2 1 Document feeding and ejecting 3 14 2 20 29 XSCalillB scie Muti co D t oM Ev ttc etum M itte 3 14 2 9 Paper Transfer une a i 3 15 2 3 1 3 15 2 3 2 Paper 3 15 2 3 3 Re ed HE Re eed 3 16 E E E E E E I E EA E 3 17 2 4 1 Document cover 3 17 2 4 2 SODSOFS usta Ee a a e aE a DU an d 3 17 2 4 3 Cassette sensor Paper empty nennen 3 18 2 4 4 Paper eject Senso wesc 3 18 2 4 5 Document front sensor Document rear 3 19 rS Miel s 3 19 TABLE CONTENTS 2 5 Drin c 3 20 2 5 1 ee Paca tonii pino 3 20 2 5 2 Pnmaty CHAMGEM E 3 20 2 5 3 3 20 2 5 44
36. Drum unit with toner cartridge 3A11 JA ies LINE NO MONTH FACTORY ID 3 Drum unit Printed on the bar code label attached inside the drum unit 95100104 T MONTH PRODUCTION LINE NO SERIAL NO iac YEAR TONER VOLUME FACTORY ID NO DR TN REUSE The first time M The second time The third time 8220 SERVICE MANUAL 4 Toner cartridge Imprinted on the aluminum bag 0 YEAR MONTH DATE FACTORY ID NO Printed on the bar code label attached on the toner cartridge CARTRIDGE PRODUCTION INFO M 3 9 A 000199 A MONTH PRODUCTION LINE NO YEAR TONER VOLUME Nee NIA CS MIC FACTORY ID NO DR TN REUSE The first time M The second time N The third time P 5 Laser unit On the laser unit 25001 L PRODUCTION LOT NO LASER UNIT NO 5 LM2486001 Laser Unit ZL2E FACTORY ID 1 Kariya Plant 2 Buji Nan Ling Factory 8220 SERVICE MANUAL CHAPTER 2 INSTALLATION AND BASIC OPERATION 1 1 1 1 2 CONDITIONS REQUIRED FOR INSTALLATION Power Supply The source voltage must stay within 10 of the rated voltage shown on the rating plate The power cord including extensions should not exceed 5 meters 16 5 feet Do no share the same power circuit with other high power appliances particularly an air conditioner copier or shredder If it is unavoidable tha
37. FLASH for DEMO and PCL DL 64Mbit MASK ROM 128 64Mbit FT EMIS coc c A 8731 ibit HE id B ibit 8115 0 iti TORN A T WEA e DATALFISS 0 us 2 eni 1 TO SORAM ATC eo VOLTAGE DET IC 10 Lie o NiMH BACK UP APPENDIX 4 CIRCUIT DIAGRAM Appendix 4 5 Main PCB Circuit Diagram 5 6 Fe EARTH cas ALARM ES m 2 e um PADI41 127 DECAY TELL we 190 121 128 HS TXD US CHN SEL Eaa hene tj T rj Tj 7 paola CcO SEL 12v 145 essa esso poris ea Desens prolis E mo USE PITOH S pur puntas SEN ASEN use AFE ADCK prole 53 144PIN GFP papt2a
38. L Pressure plate spring 2 0 E lt DE lt gt nr did A ENS 5 SS Ne gt T f C Hook Pressure plate spring Fig 4 14 4 9 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY NOTE When re assembling the pressure plate ASSY ensure that the paper indicator arm is under the pressure plate caution When unhooking the catches to remove the pressure plate do not bend the pressure plate gently ease the plastic cover If the pressure plate is deformed paper feeding problems occur 17 Remove the herical extension spring 18 Remove the lock lever Paper tray D am d Lock lever Lock lever Paper tray Fig 4 15 NOTE When re assembling the lock lever insert it upwards from underneath the cassette and rotate it until the two catches lock into place 8220 SERVICE MANUAL 19 Remove the cup B M3x8 Taptite screw and then remove the side guide gear and the friction spring 20 Remove the two side guide racks Taptite cup B M3x8 Side guide gear E Friction spring Side guide rack Side guide rack Fig 4 16 21 Remove the paper indicator Paper tray Paper indicator Fig 4 17 4 11 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY NOTE When re assembling the side guide racks they should both be aligned so that the wide end of the racks are in line with the inside edge of the paper guide release slots in the tray befo
39. M Not used NOTE e Selector 1 takes effect only in models versions having a TEL key e Selector 4 is applicable only to the U S A versions e Selector2 Ringer OFF setting This selector determines whether or not the ringer can be set to OFF e Selector 4 Detection of distinctive ringing pattern If this selector is set to 1 the machine detects only the number of rings if it is set to 0 the machine detects the number of rings and the ringing time length to compare the detected ringing pattern with the registered distinctive one A 31 APPENDIX 3 FIRMWARE SWITCHS WSW WSW28 Function setting 6 Transmission level of DTMF high band frequency signal e 9 Transmission level of DTMF low band frequency signal 4 0 0 0 0 1 1 1 1 e Selectors 1 through 6 Transmission level of DTMF high low band frequency signal These selectors are intended for the manufacturer who tests the machine for the Standard Never access them A 32 8220 SERVICE MANUAL WSW29 Function setting 7 Not used WSW30 Function setting 8 Selector Function Setting and Specifications Not used Duty cycle control of pulsed current for the heat fixing unit 0 OFF 1 ON Not used Not used NOTE Selector 4 is applicable to the European
40. NOTE Make sure you select a USB printer 29 The model you are installing will be listed in the window Select Yes or No if you want this driver to be your default printer and then click Next If this screen appears select Do not share this printer and Next 30 31 Select Yes and Next to print test page 32 When this screen appears click Finish 83 When this screen appears click Continue Anyway NOTE e There will be two Brother printer drivers listed in the Printers selection The driver with Printer after the model ex Brother MFC 8220 Printer is the Brother Native Driver OK The Brother Native Drivers have been installed and the installation is now complete 2 22 8220 SERVICE MANUAL 3 23 For Windows NT Workstation Version 4 0 Users 1 Turn on your computer You must be logged on as the Administrator 2 Connect the parallel interface cable to your computer and then connect it to the machine Caution Do not plug the power cord before connecting the parallel interface cable It may cause damage to your machine 3 Plug the machine into the AC power outlet Turn the power switch on 4 Insert the supplied CD ROM for Windows into your CD ROM drive If the model name Screen appears select your machine If the language screen appears select your language 5 CD ROM main menu will appear Click Install Software NOTE If this window does not appear use Win
41. Specifications for document Length of document 100mm to 360mm Width of document 148mm to 216mm ADF 64 to 90g m 17 to 2416 Weight of document p 1 sheet 52 to 90g m 14 to 2410 ADF 0 07mm to 0 12mm Thickness of document 1 sheet 0 06mm to 0 12mm 1 3 CHAPTER 1 GENERAL 2 6 2 Specifications for ADF ADF method Friction separation using round rollers and separation pads Number of sheets XEROX 4024DP 2016 30 sheets Letter 1 2 by ADF 246 20 sheets Letter XEROX 4200 2016 30 sheets Letter 1 1 Be sure to place the edge of sheets in a wedge shape in the environment with temperature of 20 to 30 degree C and humidity of 50 to 7096 The maximum number of sheets is 20 in the other environments 2 7 Printer Printer Driver Resolution Print Speed 2 8 Interfaces Interface Parallel cable USB cable NOTE Windows 95 98 98SE Me 2000 Professional XP NT 4 0 Workstation Version 4 0 driver supporting Brother Native Compression mode and bi directional capability Apple Macintosh Quick Draw Driver and PostScript PPD for OS 8 6 9 2 OS X 10 1 10 2 1 or Greater HQ1200 Max 2400 x 600 dots inch Up to 20cpm A4 size Recommended Cable A bi directional shielded parallel cable that is IEEE 1284 compliant and not longer than 6 feet 2m A Hi Speed USB 2 0 cable that is not longer than 6 feet 2m Please make sure that you use
42. Telephone Line Cord 6 Test Sheet U S A only lt gt Accessory Order Form U S A Canada only Fig 2 1 Carton components may differ from one country to another Save all packing materials and the carton NOTE e The interface cable is not a standard accessory Please purchase the appropriate interface cable for the interface you intend to use Parallel or USB e For Parallel use a bi directional shield interface cable that is IEEE 1284 compliant and not longer than 6 feet 2 meters e For USB use a Hi Speed USB 2 0 interface cable that is not longer than 6 feet 2 meters e Please make sure that you use a Hi Speed USB 2 0 certified cable if your computer uses a Hi Speed USB 2 0 interface e Even if your computer has a USB 1 1 interface you can connect the machine 2 3 CHAPTER 2 INSTALLATION AND BASIC OPERATION CAUTION When you move the machine grasp the side handholds that are at the bottom shown in the illustration 2 4 3 3 1 8220 SERVICE MANUAL INSTALL THE MACHINE You need to implement hardware setup and driver installation to use the machine Firstly identify the Operating System on your computer Windows 95 98 Me Windows NT 4 0 Windows 2000 XP and Macintosh Then purchase the appropriate interface cable Parallel USB or Network for your computer Most existing parallel cables support
43. Tl Access plate Ms UN l screw Hooks Fig 4 22 4 Disconnect the connector of the battery ASSY caution There is a danger of explosion if the battery is incorrectly replaced Use Brother genuine spare part when you replace the battery Do not disassemble recharge or dispose of in fire Used battery should be disposed of according to local regulations Main PCB ASSY Access plate Battery ASSY Fig 4 23 4 14 8220 SERVICE MANUAL 5 Cut the binding band which secures the battery ASSY to the access plate and then remove the battery ASSY Binding band Battery ASSY Access plate Fig 4 24 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 3 6 Control Panel ASSY 1 Remove the two pins and then remove the control panel ASSY Control panel ASSY Pin Control panel ASSY Connector Fig 4 26 8220 SERVICE MANUAL 3 Remove the cup B M3x6 Taptite screw and then remove the spring plate ADF front 4 Remove the separation rubber rubber holder and rubber holder spring Rubber holder spring Taptite cup B M3x6 Spring plate ADF front Separation rubber Ge 6 Rubber holder Control panel ASSY 5 Remove the actuator Control panel ASSY Actuator R Fig 4 28 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 6 Open the right and left bosses and then remove the do
44. Toner Low message When the toner cartridge is running low the LCD shows Toner Low Toner Low Fig 5 6 If the LCD shows this message the toner cartridge has nearly run out of toner Buy a new toner cartridge and have it ready before you get a Toner Empty message Toner Empty message Toner Empty Fig 5 7 Replacement Procedure 1 Press the front cover release button and then open the front cover 2 Pull out the drum unit Front cover release button Fig 5 8 5 4 8220 SERVICE MANUAL caution e It is recommended to place the drum unit assembly a piece of disposable paper or cloth in case you accidentally spill or scatter toner e To prevent damage to the machine from static electricity do not touch the electrodes shown in the figure below 3 Push down the blue lock lever and take the toner cartridge out of the drum unit 4 Unpack the new toner cartridge Hold the cartridge level with both hands and gently rock it from side to side five or six times to spread the toner evenly inside the cartridge 5 Remove the protective cover 6 Put the new toner cartridge firmly into the drum unit until you hear it lock into place If you put it in properly the lock lever will lift automatically Make sure you fit the toner cartridge properly or it may separate from the drum unit i Fig 5 11 7 Clean
45. 4 12 Heater connector Main PCB Engine PCB connector Main PCB connector 4 50 MFC 8220 SERVICE MANUAL 3 Remove the two bind B 4 12 Taptite screws and then remove the inlet holder 5 6 3 4 Remove the bind B 4 12 Taptite screw and then remove the SW holder 5 Remove the fan motor 60 unit 6 Remove the low voltage PS PCB Low voltage PS PCB Inlet holder Taptite bind B M4x12 SW holder 2 FO NSA NS Taptite bind 4 12 N Fan motor 60 unit Fig 4 92 Hint Inlet Harness Installation Procedure 1 Mount the inlet 2 Mount the fan motor 60 unit 3 Pull the inlet harness behind the fan motor 60 unit to the side of the SW holder to take up the slack Important 4 Mount the SW holder 4 51 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 3 21 Paper Feeder 1 Remove the bush R 2 Remove the paper pick up roller ASSY 3 Remove the two roller collars from the paper pick up roller ASSY Roller collar Paper pick up roller ASSY Roller collar Bush Fig 4 93 4 Remove the bind B M3x10 Taptite screw and then remove the PE sensor cover 5 Remove the cassette sensor PCB ASSY Taptite bind B M3x10 9 PE sensor cover PA d ae Cassette sensor PCB ASSY 2 Fig 4 94 4 52 MFC 8220 SERVICE MANUAL 6 Remove the PE actuator and the CA actuator CA actuator xr PE actuator
46. Not used Sin 10 min 30 min 0 CIS lock position 1 Location of Standby position of the CIS unit Not Home iE PAN the white level used reference film 8 nouses ______ NOTE WSW45 is applicable only to models equipped with a flat bed scanner Selectors 1 through 3 Delay time from when documents are set until the ADF starts drawing them in Not used These selectors determine how long the ADF will delay automatic drawing in of documents to the scanning standby position after you set them in the ADF as well as determining whether or not the ADF automatically draws in documents Selectors 4 through 6 Periodical correction intervals of the reference voltage applied to white level compensation for document scanning during standby Not used These selectors set the correction intervals in seconds of the reference voltage to be applied to white level compensation for document scanning during standby as well as determining whether or not the controller makes the reference voltage correction during standby Conventionally the correction has been made immediately before the start of actual scanning This function takes effect in copying Making the correction during standby may shorten the preparation time for copying NOTE Do not access these selectors e Selector 7 Standby position of the CIS unit Not used This selector determines whether the standby position of the CIS unit should be the C
47. Remove the thermistor ASSY Thermistor e i Fixing unit lt SS A Taptite cup M3x12 Thermistor relay PCB ASSY Thermistor ASSY harness Thermistor relay PCB ASSY 4 37 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY NOTE When re assembling the thermistor to the FU frame upper ensure the direction of the thermistor is correct referring to the figure below FU frame upper Thermistor Thermistor Taptite cup B M3x12 Fig 4 67 8 Remove the two cup B M3x20 Taptite screws from the FU frame upper 9 Release the hooks and then remove the FU frame upper from the FU frame lower AN Hook FU frame lower gt S pcs Hook es NV 9 1 b Sy oO Me 4 Taptite B M3x20 2 e e FU frame upper Taptite cup B M3x20 ma 2 gt 7 BEN gt Fig 4 68 4 38 MFC 8220 SERVICE MANUAL 10 Remove the two pan S P washer M26x8 Taptite screws 11 Remove the heat roller 25 12 Remove the halogen lamp Screw pan Heat roller 25 S P washer M26x8 9 Colored side 115V Orange Washer plain 26 deer Halogen lamp 220V Black Screw pan S P washer Halogen lamp FU frame upper connector plate Heat roller 25 Halogen l mp Fig 4 69 NOTE When re assembling the halogen lamp ensure that the direction of the halogen lamp is correct referring to the figure above caution e Never touch
48. SERVICE MANUAL 3 5 Firmware Switch Setting and Printout 3 5 4 Firmware switch setting Maintenance mode 10 Function The machine incorporates the following firmware switch functions which may be activated with the procedures using the control panel keys and buttons The firmware switches have been set at the factory in conformity to the communications standards and codes of each country Do not disturb them unless necessary Some firmware switches may not be applicable in some versions The firmware switch data list indicates Not used for those inapplicable switches Firmware Switches WSW01 through WSW50 WSW No Function WSWO1 Dial pulse setting WSWO02 Tone signal setting WSW03 PABX mode setting WSW04 TRANSFER facility setting WSWO06 Pause button setting and 2nd dial tone detection WSWO07 Dial tone setting 1 Busy tone setting Function setting 2 WSW24 TAD setting 2 WSW25 TAD setting 3 WSW27 Function setting 5 WSW28 Function setting 6 WSW29 Function setting 7 WSW31 Function setting 9 WSW33 Function setting 11 7 9 CHAPTER 7 MAINTENANCE MODE Function Function setting 13 WSW36 Function setting 14 WSW38 Function setting 16 WSW44 Speeding up scanning 1 WSW47 Extending the closing state of the FAX line WSW48 Function setting 23 WSWA49 Function setting 24 WSW50 Not used Operating Procedure gt 1 Press the 1 and 0 keys in this order in the initial s
49. SETTING ID CODES TO MACHINES A 4 2 1 Connecting the Machine to Your A 4 2 2 Setting Up the Machine and Your A 4 2 3 Running the Setup Utility necne nonae A 5 APPENDIX 3 FIRMWARE SWITCHS WSW A 6 APPENDIX 4 CIRCUIT DIAGRAMS 4 1 Main PCB Circuit Diagram 1 6 A 48 4 2 Main PCB Circuit Diagram 2 6 eem nennen nnns A 49 4 3 Main PCB Circuit Diagram 3 6 A 50 4 4 Main PCB Circuit Diagram 4 6 memes A 51 4 5 Main PCB Circuit Diagram 5 6 A 52 4 6 Main PCB Circuit Diagram 6 6 enn eren A 53 4 7 Engine PCB Circuit Diagram 1 2 sse emm eene A 54 4 8 Engine PCB Circuit Diagram 2 2 sss A 55 4 9 NCU PCB Circuit Diagram A 56 4 10 NCU PCB Circuit Diagram 0 5 emm nemen A 57 4 11 Control Panel PCB Circuit A 58 4 12 Low voltage Power Supply PCB Circuit A 59 4 13 High voltage Power Supply PCB Circuit Diagram 100V A 60 4 14 High voltage Power Supply PCB Circuit Diagram 200 A 61 4 15 Back Light PCB Circuit A 62 APPENDIX 5 LO
50. Tray 1 Manual feed tray Lower tray Tray 2 Size 4 Letter JIS B5 ISO B5 Horizontal A4 Letter JIS B5 ISO B5 ISO ISO B6 A5 A6 Legal 69 8 to 220 0mm B6 A5 Legal Executive Executive Vertical 116 0 to 406 0mm 3 Other specifications In the case of Paper Tray Plain paper Recycled paper Weight 60 to 105 g m Thickness 0 08 to 0 13 mm Moisture content 4 to 6 of weight In the case of Manual Feed Tray Plain paper Envelope Weight 60 to 161g m 75 to 90g m equivalent to one sheet Thickness 0 08 to 0 2 0 084 to 0 12mm equivalent to one sheet Moisture content 4 to 6 of weight 4 to 6 of weight 4 Recommended paper Plain Paper Plain paper Xerox 4200 201 Hammermill Laser Paper 2416 Transparency 3M CG 3300 Labels Avery laser label 5160 caution When you are choosing print media be sure to follow the information given below to prevent any paper jams print quality problems or machine damage e tis recommended to use long grained paper for the best print quality If short grained paper is being used it might be the cause of paper jams e Use neutral paper Do not use acid paper to avoid any damage to the drum unit Avoid using coated paper such as vinyl coated paper Avoid using preprinted or highly textured paper e Itis recommended to use labels or transparencies which are designed for use in laser printers
51. and then the machine starts dialing The transferred data does not include the transmission terminal ID Instead a cover page and an end page as shown on the next page are automatically attached 7 17 CHAPTER 7 MAINTENANCE MODE Example of the cover page FAX TRANSFER COVER JOB NO 001 Job No of the transfer setting TOTAL PAGE S 001 Total number of pages to be transferred NAME BROTHER lt Sender s name registered in the sender s FAX machine FAX 052 824 2330 lt Sender s FAX number TEL 052 824 2846 j Sender s phone number TIME 2002 03 04 14 11 4 Start time 8X5 653 Model code B0108251119 lt Boot ROM information U0203122124 VER B ROM information BROE1J424039 lt Serial number Fig 7 11 Example of the end page FAX TRANSFER END PAGE JOB NO 001 lt Job No of the transfer setting TOTAL 001 Total number of pages to be transferred NAME BROTHER Sender s name registered in the sender s FAX machine FAX 052 824 2330 lt Sender s FAX number TEL 052 824 2846 Sender s phone number MACHINE STATUS 1 Al lt Error code MACHINE STATUS 2 A3 Error code MACHINE STATUS 3 AA Error code MACHINE STATUS 4 1 lt Error code MACHINE STATUS 5 84 Error code MACHINE STATUS 6 A1 Error code MACHINE STATUS 7 00 Error code MACH
52. causing various problems as listed below Condensation on the optical surfaces such as the scanning mirror lenses the reflection mirror and the protection glass may cause the print image to be light f the photosensitive drum is cold the electrical resistance of the photosensitive layer is increased making it impossible to obtain the correct contrast when printing Condensation on the corona unit may cause corona charge leakage Condensation on the hopper plate and separation pad may cause paper feed troubles If condensation has occurred print several pages or leave the machine for 2 hours to allow it to reach room temperature If the drum unit is unpacked soon after it is moved from a cold room to a warm room condensation may occur inside the unit which may cause incorrect images Instruct the user to allow the unit to come to room temperature before unpacking it This will take one or two hours Warnings for Maintenance Work To avoid creating secondary problems by mishandling follow the warnings below during maintenance work N WARNING 1 Always turn off the power switch and unplug the power cord from the power outlet before accessing any parts inside the machine 2 Some parts inside the machine are extremely hot immediately after the machine is used When opening the front cover or rear cover to access any parts inside the machine never touch the shaded parts shown in the following figures
53. d Cobos gt PTA LAS SS CI pue NRE 9 lt 1 Fig 4 95 7 Remove the spring extension P R from the gear 63P R 8 Remove the gear 63P R 9 Remove the ground wire from the conductor bearing Hint Make sure to mount the extension spring P R and the ground wire in proper positions upon assembly If they are mounted in improper positions tension fails to be applied to the sector gear 63 P R and it might cause a feeding failure Conductor bearing Ground wire Spring extension P R Fig 4 96 4 53 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 10 Remove the bush L from the P R shaft 11 Remove the P R shaft P R shaft 12 Remove the idle gear 22 13 Remove the middle roller gear 14 Remove the bind B M3x10 taptite screw and the conductor bearing 15 Remove the 1st F R shaft Hook Idle gear 22 e Middle roller gear lt o Conductor bearing QA bind B M3x10 Fig 4 98 MFC 8220 SERVICE MANUAL 16 Remove the two S M3x6 Taptite screws and the four bind B M4x12 Taptite screws 17 Remove the front chute ASSY Taptite bind B 4 12 Front chute ASSY Taptite cup S M3x6 Taptite M3x6 Fig 4 99 18 Remove the two shoulder taptite bind B M3x7 5 Taptite screws from front chute guide ASSY 19 Remove the front chute guide ASSY 20 Remove the front tray ch
54. gets its zone information from router broadcasts it may not be in the zone you expect and will therefore not show up in the Chooser If this is the case you may need to force the zone name using BRAdmin Professional utility a web browser DLC LLC Troubleshooting If you are having trouble printing with DLC LLC check the following 1 2 Make sure that the DLC LLC protocol is enabled using either BRAdmin Professional utility a web browser or TELNET Make sure that the MAC address of the Windows setting is the same as shown in the print configuration page printout Web Browser Troubleshooting TCP IP 1 If you cannot connect to the print fax server using your web browser it may be worth checking the Proxy Settings of your browser Look in the Exceptions setting and if necessary type in the IP address of the print ax server This will stop your PC from trying to connect to your ISP or proxy server every time you wish to look at the print fax server Make sure that you are using the proper Web Browser we recommend Netscape Navigator version 4 0 or later Microsoft Internet Explorer version 4 0 or later 6 59 CHAPTER 6 TROUBLESHOOTING 10 15 Internet Fax Troubleshooting 1 If there is a mail delivery error while sending an Internet Fax the mail server will send an error message back to the machine and the error message will be printed If there is an error while receiving mail an error message is printed Ex The m
55. you will be able to launch the Brother Control Center later to use the Scan key by double clicking the Smart UI icon on the desktop This loads the Brother Control Center to the task tray See AutoLoad the Brother Control Center Chapter 4 in the Documentation Software User s Guide located on the CD ROM The Brother PC FAX Printer and Scanner drivers have been installed and the installation is now complete 2 24 8220 SERVICE MANUAL 3 24 For Optional NC 9100h Network Interface Users For Windows 95 98 985 2000 Professional XP 13 14 Make sure that the NC 9100h Network Print Fax Server is installed into the MFC See Optional accessories in Chapter 13 of the User s Guide Connect the network cable to the machine and then connect it to a free port on your hub Plug the machine into the AC power outlet Turn the power switch on Turn on your computer For Windows 2000 Professional XP and Windows NT 4 0 you must be logged on as the administrator Insert the supplied CD ROM for Windows into your CD ROM drive If the model name Screen appears select your machine If the language screen appears select your language The CD ROM main menu will appear Click Install Software NOTE If this window does not appear use Windows Explore to run the setup exe program from the root directory of the Brother CD ROM Click MFL Pro Suite in Main Application NOTE MFL Pro Suite includes Prin
56. 1 34 ROM FLASH for DEMO and PCL DL 64Mbit 10 laa 4t Ma 88 43 44 0101 24 j5 0011 46 Ha 47 CI jazo 001 Dat MEM2SOLE40E90TN 4 133 12 135 142 A las DATA F 14 TN l 1 143 L5 NI DATA F 3 M 24 DATA F 7 N DATA F 8 DATA F 10 DATA FL11 NI DATA F 12 A 115 0 FLASH PIN TOSHIBA TS Vet tem lom PERM PIN 64 13 azs Nc 14 ace cc c Nc 15 Am V RY BY RY BY R BY NC NC 47 Y Byte Byte Byte Byte Byte 3 5 MASK ROM 128 64Mbit ir 1 4 4 4 2B 01 30 14 d 1 4i 5 oN 43 OATAFIE 341 DATA FIS 33 DATA F 10 NI 17 0013 42 DATA F 13 44 DATA F 14 18 Dat 49 0015 1 A 1420 K3N6V 10000 MASK ROM PIN fon peog PIN N 128M
57. 3 3 3 3 1 MFC 8220 SERVICE MANUAL Original Jams Based upon where the original or printed sheet is jammed follow the appropriate set of instructions to remove it Original is jammed in the ADF Automatic document feeder 1 Open the control panel cover 2 Pull the jammed document to the front and remove it 3 Close the control panel cover and press Stop Exit button Paper Jams Clearing jammed paper Clear the jammed paper following the procedures below 1 Pull the paper tray completely out of the machine 2 Pull the jammed paper up and out of the machine 6 11 CHAPTER 6 TROUBLESHOOTING 3 Press the front cover release button and then open the front cover 4 Pull out the drum unit Pull the jammed paper up and out of the machine If you cannot remove the drum unit easily at this time do not use extra force Instead pull the edge of the jammed paper from the paper tray caution To prevent damage to the machine caused by static electricity do not touch the electrodes shown in Figure 6 4 6 12 8220 SERVICE MANUAL 5 Open the back output tray Pull the jammed paper out of the fixing unit If the paper jam can be cleared go to Step 7 NOTE If you have to pull the paper toward the back of the machine the fuser may get dirty with toner powder and it may scatter on the next printouts Print a few copies o
58. 4316 60 to 161g m Maximum number of paper to be loaded on the manual feed tray 1 sheet Maximum number of sheets to be output to the delivery tray In the case of face down delivery up to 150 sheets of plain paper 80g m In the case of face up delivery up to 1 sheet of plain paper 80g m 1 2 Color Monochrome Copy Speed Multiple Copies Enlarge Reduce Resolution Fax Compatibility Coding System Modem Speed Original Size Scanning Width Printing Width Gray Scale Polling Types Contrast Control Resolution One Touch Dial Speed Dial Automatic Redial Auto Answer Memory Transmission Out of Paper Reception MFC 8220 SERVICE MANUAL Monochrome Up to 21cpm Letter size U S A Canada Version only Up to 20cpm A4 size Europe Version only Up to 99 pages 25 to 400 in increments of 1 600dpi Super G3 MH MR MMR JBIG 33600bps ADF Width 5 8 to 8 5 148mm to 216mm ADF Height 3 9 to 14 0 100mm to 356mm 208mm x 291mm 203mm x 291mm 256 levels Standard Confidential Sequential Timer Automatic Light Dark manual setting Horizontal 203 dot inch 8 dot mm Vertical e Standard 98 line inch 3 85 line mm Fine Photo 196 line inch 7 7 line mm Superfine 392 line inch 15 4 line mm 32 16 x 2 300 stations Three times 0 to 10 rings Up to 600 pages Brother 1 Chart Up to 600 pages Brother 1 Chart Specifications for Document Feeding System
59. 6 29 CHAPTER 6 TROUBLESHOOTING Connection 1 Main PCB and NCU PCB are No Fix the connection properly between main properly connected PCB and NCU PCB Harness 2 Harness wire is damaged Yes Replace the harness with a between main normal part PCB and NCU PCB NCU PCB 3 Replacement of NCU PCB Yes Replace the NCU PCB with solves the problem a normal part Main PCB 4 Replacement of main PCB Yes Replace the main PCB with solves the problem a normal part 6 30 8220 SERVICE MANUAL 8 IMAGE DEFECTS 8 1 Image Defect Examples A 5 E 1 1 Light 1 2 Dark 1 3 Completely blank 1 4 All black 1 5 Dirt on back of paper 6 Black vertical 1 6 Black vertical 7 Black horizontal 8 Black vertical 1 9 vertical streaks streaks stripes streaks treaks 1 10 White horizontal 1 1 1 12 Poor fixing 1 13 Image distortion 1 14 Faint print streaks registration 15 White spots 16 Black spots 1 17 Black band 1 18 Gray background 1 19 Hollow print LP 1 20 Downward fogging 21 Horizontal lines 1 22 Light rain 23 Ghost 1 24 specks of solid black Fig 6 9 8 2 Diameter of Rollers The diameter of each roller and the pitch which appears in the image are listed below Parts Name Diameter The pitch which appears in the image First Paper Feed Roller 13 6 mm 42 7 mm Paper Feed Roller 14 0 mm 44 0 mm Transfer Roll
60. 9b 87 al 58ec7358 aq a2 a3 ab a3 a3 ab 53 73658 aS a5 Sc 3b 98 a 9f 59ec7378 Sc 85 97 35 al 96 ab 58ec 388 94 3f 8d 3b a3 98 97 Fig 7 2 8220 SERVICE MANUAL 3 3 ADF Performance Test Maintenance mode 08 Function The machine counts the documents fed by the automatic document feeder ADF and displays the count on the LCD for checking the ADF performance Operating Procedure gt 1 Set documents Allowable up to the ADF capacity The DOC READY will appear on the LCD 2 Press the 0 and 8 keys in this order While counting the documents the machine feeds them in and out displaying the current count on the LCD as shown below ADF CHECK P 01 Current count 1st page in this example 3 To return the machine to the initial stage of the maintenance mode press the Stop Exit button 7 7 CHAPTER 7 MAINTENANCE MODE 3 4 Test Pattern 1 Maintenance mode 09 Function This function much like the copying function prints out test pattern 1 to allow the service personnel to check for record data missing or print quality Operating Procedure gt Press the 0 and 9 keys in this order in the initial stage of the maintenance mode The figure below shows test pattern 1 AT IE 3 Fig 7 3 7 8 8220
61. Address Decoder Program Font ROM DRAM Control 1MB 4MB 8MB Network Program 1 5 MB STRAGE 0 5 MB RAM 4MB 8MB 16MB CDCC Parallel I O RAM DIMM max 128MB EEPROM 512 x 8 bit 8192 x 8 bit i CIS unit m Scanner Controller i PCI Bus Control Fig 3 2 1 3 8220 SERVICE MANUAL For the entire circuit diagram of the main PCB see APPENDIX 4 1 to 4 6 MAIN PCB CIRCUIT DIAGRAM in this manual 1 31 A Fujitsu 32bit RISC CPU SPARClite is built in the ASIC While the CPU is driven with a clock frequency of 66 66 MHz in the user logic block it itself runs at 133 33 MHz which is generated by multiplying the source clock by two DATA O DATAL41 DATA 2 DATA 3 DATA A DATA S DATA 6 DATA 7 DATA B DATA 9 10 DATAL411 DATAL 42 DATAL13 14 DATAL15 DATA 15 01 3 5 Tpi ADRI3I ADRIA ADRIS ADRIS ADRI7 ADRIS ADRIS ADRI 101 ADR 1 ADR 12 ADR 3 Anal 144 09 15 ADRI 16 ADAL171 ADRI 18 09 49 ADAL201 rt ADRI21
62. Automatically detect and install my Plug and Play printer selection and then click Next 25 Select USBXXX from the pull down window for the Printer Port Selection and then click Next 26 Click on Have Disk 27 Browse the CD ROM and highlight your language folder and click Open Highlight the W2K folder and click Open Highlight the Addprt folder and click Open 28 Click Open 2 15 CHAPTER 2 INSTALLATION AND BASIC OPERATION 29 Make sure X ENGW2K Addprt is displayed in the window and click OK the drive letter of your CD ROM 30 Highlight the model you are installing from the list of machines and click Next NOTE Make sure you select a USB printer 31 model you are installing will be listed in the window Select Yes or No if you want this driver to be your default printer and then click Next 32 If this screen appears select Do not share this printer and Next 33 Select Yes and Next to print a test page 84 When this screen appears click Finish 35 Ifthe Digital Signature Not Found dialog box appears click Yes 36 Ifthe test page printed click OK NOTE e There will be two Brother printer drivers listed in the Printers selection e The driver with Printer after the model name ex Brother MFC 8220 Printer is the Brother Native Driver OK The Brother Native Drivers have been installed and the installation is now complete lt For Windows XP Users Only gt Make sure that y
63. CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 19 20 21 22 Remove the three cleaner spring S Remove the three cleaner pinch roller ASSY S Remove the cleaner spring L wer Remove the cleaner pinch roller ASSY L Cleaner spring S Cleaner spring L IU Cleaner pinch roller ASSY S Cleaner spring S JU Cleaner pinch roller ASSY L Cleaner pinch roller ASSY e FU frame lower Fig 4 75 NOTE When re assembling the cleaner pinch roller ASSY complete with the cleaner spring onto the FU frame lower ensure the direction of the roller is correct referring to the figure above e Ensure that the both springs are seated correctly in the locating channel and does not protrude from either end e Ensure also that the proper spring is fixed to the each cleaner pinch roller ASSY because the both springs are NOT identical with each other Cleaner spring Cleaner pinch roller ASSY uu S FU frame lower Fig 4 76 4 42 MFC 8220 SERVICE MANUAL 23 Disconnect the connector for the eject sensor harness from the thermistor relay PCB ASSY 24 Release the eject sensor harness from the three hooks 25 Remove the bind B M3x10 Taptite screw and then remove the eject sensor PCB ASSY 26 Remove the bind B M3x10 Taptite screw and then remove the thermistor relay PCB ASSY Hook Hooks Eject sensor harness Taptite bind B M3x10 Thermistor relay PCB ASSY Eject sens
64. E vere e RE kee 6 31 8 2 Diameter of Rollers dcr a d ea du e BAD 6 31 8 3 Troubleshooting Image Defect enne 6 32 8 4 Location of Grounding nemen emen 6 50 8 4 1 Drum E shh 6 50 8 4 7 Machine body amp Paper tray Hei Eran ari sen saga orar a paved EL 6 50 9 INCORRECT PIRINTOUT 6 51 TABLE OF 5 10 NETWORK PROBLEM 6 53 10 1 Installation 509 6 53 10 2 Intermittent 6 54 10 3 TCP IP Troubleshooting uere ertet erae ett eee ee re Deer etn 6 55 10 4 UNIX Troubleshooting nennen nnne 6 55 10 5 Windows NT LAN Server TCP IP Troubleshooting es 6 56 10 6 Windows 95 98 Me Peer to Peer Print LPR Troubleshooting 6 56 10 7 Windows 95 98 Me Peer to Peer JetAdmin Compatible Method Troubleshooting 6 56 10 8 Windows 95 98 Me NT 4 0 2000 Peer to Peer Print NetBIOS Troubleshooting 6 57 10 9 Brother Internet Print TCP IP 6 57 10 10Windows 95 98 Me 2000 XP IPP Troubleshooting es 6 57 10 11 Novell Netware 6 58 10 12AppleTalk Troubleshooting eese nemen nennen 6 59 10 13DLC LLC Troubleshooting
65. FIRMWARE SWITCHS WSW WSWAA Speeding up scanning 1 0 Not used Obtained compensation data ineffective 1 min 3 min 5 min 10 min 15 min 20 min 30 min Effective time length of the white level compensation data obtained beforehand Not used NOTE 5 44 is applicable only to models equipped with a flat bed scanner e Selectors 6 through 8 Effective time length of the white level compensation data obtained beforehand Not used If you set documents in the ADF and the document front sensor detects them or if you open the document tray ASSY and the document tray open sensor detects the open state then the controller will make correction of the reference voltage to be applied to white level compensation for document scanning before the Copy button is pressed These selectors determine how long compensation data obtained beforehand will keep effective A 44 8220 SERVICE MANUAL WSWA5 Speeding up scanning 2 3 No automatic drawing in 1 sec 2 sec 3 sec 4 sec 5 sec 6 sec 7 sec Delay time from when documents are set until the ADF starts drawing them in Not used 1 0 0 0 0 4 1 1 1 0o0o0 O00 N No correction of reference Ms ants voltage during standby Periodical correction intervals of the 10 sec reference voltage to be applied to 80 sec white level compensation for 1 min document scanning during standby 3 min
66. Full Speed is set A 46 8220 SERVICE MANUAL WSWAS Function setting 23 0 ip O Number of pieces of scan key information registered according to application i e Number of PCs that can be registered via Net Available Function PC registration using the Network TWAIN OOOO Size of the RAM Disk when using PCL PS Flag detection time when receiving a command Scanning light source WARMUP time No adjustment Adjustment 80 lt Models concerned CCD scanning type gt 120 BHM 3838 Not used 15095 s Wu S WSW50 0 TER ot A 47 APPENDIX 4 CIRCUIT DIAGRAM Appendix 4 1 Main PCB Circuit Diagram 1 6 1 z 3 4 57 5 e 6 4 6 7 78 3 10 DATA O DATAIZI DATA 3I DATALA DATAIS DATA G DATA DATAIS DATA 13 DATAL iS 15 titt ts xa i GA SC GF 3 1E 3 3c 4 1G 0 5 me 5 AE Sos 4 Z EJ mE eu ec er 3 30 3 16 4 s0 C103 DATALSS 0 ADRISI ADRIAI 71 ALR 1 TEM
67. Hook sensor Off hook TN Toner sensor Toner detected MN Manual feed sensor No paper detected Regist front sensor RS Regist rear sensor No paper detected CS Cassette sensor No paper tray loaded P1 Tray 1 paper sensor Paper detected P2 Tray 2 paper sensor Paper detected C2 2nd cassette sensor No paper tray loaded R2 2nd regist sensor No paper detected FU Fixing sensor No paper detected PO Paper eject sensor No paper jam These error indications will always be displayed in models not equipped with a 2nd paper tray 7 15 CHAPTER 7 MAINTENANCE MODE 2 Change the detecting conditions to check that the indication on the LCD changes according to the sensor states For instance insert paper through the document front or rear sensor or the regist sensor s open the front cover or the document cover remove the toner cartridge jam paper at the paper outlet insert paper from the manual feeder and load a paper tray etc 3 Press the Stop Exit button The machine beeps for one second and return to the initial stage of the maintenance mode NOTE If you have opened and closed the front cover during the above procedure you need to open and close the front cover again upon completion of the procedure 7 16 8220 SERVICE MANUAL 3 10 Received Data Transfer Function Maintenance mode 53 Function This function is to transfer received data to another FAX equipment when the machine fails to p
68. N 812 5131 514 516 DATA 516 811 521 51131 DATA SL t4 SL iS C171 C472 C475 C177 C467 C459 C153 C145 C140 CN gem Eun eue iens Cis 59 2 SB BAR Hie g gz g a s a e 8 o z s 7 SW 3 1E 3 3c 4 1c 4 20 4 TTA A FLASH for MAIN PROGRAM T AK Waa 10 2 DATA FIST DATA FIAN DATA FISI DATA FIGI OATA FIBI DATA FIST FL 12 DATA FLIS 1 9 REGULATOR arora Spec 1 0 06 i 80 1 96 voa 24 POWER CN17 tew 14 j je ja je je je j je ja je e B la Ja l f fo fo Ja fa fa Ix lo 8 4 aK 5V REGULATOR LvPs oe im ftv w Hor E
69. Not used 47 8220 SERVICE MANUAL WSW01 Dial pulse setting Dial pulse generation mode Inter digit pause Switching between pulse DP and tone PB dialing by the function Switch Default dialing mode pulse DP o tone PB dialing 60 ms Break time length in pulse dialing 67 ms 40 ms for 16 PPS 64 ms at 106 ms intervals e Selectors 1 and 2 Dial pulse generation mode These selectors set the number of pulses to be generated in pulse dialing N Dialing N generates N pulses Dialing 0 generates 10 pulses N 1 Dialing N generates 1 pulses 10 N Dialing N generates 10 N pulses e Selectors 3 and 4 Break time length in pulse dialing These selectors set the break time length in pulse dialing Example f 1 2 and 3 are dialed when is set by selectors 1 and 2 Break time length set by selectors 3 and 4 E E E E ee 2S 1 2 3 e Selectors5and 6 Inter digit pause These selectors set the inter digit pause in pulse dialing Example If 1 2 and 3 are dialed when is set by selectors 1 and 2 E E 1 2 3 f Inter digit pause set by selectors 5 and 6 A 7 APPENDIX 3 FIRMWARE SWITCHS WSW e Selector 7 Switching between pulse DP and tone PB dialing by the function switch This selector determines whether or not the dialing mode may be switched between
70. Operational Check 3 9 7 15 53 Received Data Transfer Function 10 7 17 54 Fine Adjustment of Scan Start End Positions 3 11 7 19 55 CIS Scanner Area Setting 3 12 7 20 67 Paper Feed and Paper Eject Test 3 13 7 21 74 EEPROM Customizing 3 14 7 22 80 Display of the Equipment s Log Information 3 15 7 23 82 Machine Error Code Indication 3 16 7 25 87 Output of Transmission Log to the Telephone Line 3 17 7 25 91 EEPROM Parameter Initialization 1 7 4 99 Exit from the Maintenance Mode Cancellation of the Memory Security Mode 3 18 7 26 No applicable to the Japanese version 7 2 ADF Automatic document feeder 8220 SERVICE MANUAL lt IMPORTANT gt Basically the maintenance mode functions listed on the previous page should be accessed by service personnel only However you may allow end users to access some of these under the guidance of service personnel e g by telephone The user accessible functions codes 10 11 12 54 80 82 87 and 91 are shaded in the table given on the previous page Function code 10 accesses the firmware switches WSW each of which has eight selectors You should not allow end users to access all of those selectors but you may allow them to access user accessible selectors which are shaded in the firmware switch tables in Appendix 3 The service personnel should instruct end users to follow the procedure given below 1 Press the Menu and Enlarge Reduce bu
71. Remove and carefully shake the toner cartridge horizontally Yes Clean the scanner window with a soft dry cloth Yes Replace the laser unit CHAPTER 6 TROUBLESHOOTING l 15 White spots User Check 1 If the problem is not solved after printing a few pages the drum unit may have glue from label stock on the photosensitive drum surface Refer to Step 1 in the table below and NOTE in the next page 2 The drum unit may be damaged Install a new drum unit scratched replace the drum Drum unit failure 1 Are the white spot at 94mm 1 If toner or glue remains intervals unit Yes stuck wipe it off gently with a Drum unit failure 2 Is the problem solved after Yes Replace the drum unit replacing the drum unit EN Yes 2 If the drum surface is cotton swab Refer to NOTE in the next page Toner empty 3 15 the toner in the toner Replace the toner cartridge with cartridge almost empty a new one Paper 4 Is the problem solved after Yes Damp wet paper might be changing to specified freshly used Recommend to change unpacked paper freshly unpacked paper Environment 5 Does the problem still appear 1 Replace the drum unit after the machine has warmed 2 Advise the user of the up specified print environment 6 42 8220 SERVICE MANUAL NOTE Clean the drum unit as follows 1 Remove the toner cartridge from the drum unit Place the printing samples in front of the drum uni
72. Replace the fixing unit 1 Check that the paper or other media is loaded into the paper tray correctly and that the paper guides are not too tight or too loose against the paper stack 2 using the manual feed tray check how to load paper into the manual feed tray correctly 3 The paper tray may be too full Load paper below 27mm in depth 4 Check the paper used meets the recommended paper specifications 8220 SERVICE MANUAL 1 Check the paper used meets the recommended paper specifications Both high temperature and humidity will cause paper to curl 2 If the machine is used infrequently the paper have sat for too long in the paper Turn over the stack of paper in the paper tray Also try rotating the paper 180 in the paper tray 3 Try printing using the straight through output path NOTE For no paper supplied as the cause of a malfunction see M 4 No paper supplied in 6 MALFUNCTIONS in this Chapter 6 17 CHAPTER 6 TROUBLESHOOTING 4 SOFTWARE SETTING PROBLEMS The machine may not print the data correctly if there are incorrect software settings There was an error writing to LPT1 or BRUSB for the machine error message appears User Check Check that the printer cable is not damaged or broken Check also that the cable is connected to the correct interface connectors of both the machine and PC Check that
73. TROUBLESHOOTING OF THE CONTROL PANEL L 1 Nothing is displayed on the LCD User Check 1 Verify if the power switch is turned off Connection 1 Main PCB and control panel No Fix the connector properly between main PCB are properly connected PCB and control panel PCB Harness 2 Harness wire is damaged Yes Replace the harness with a between main normal part PCB and control panel PCB Connection 3 Main PCB and low voltage No Fix the connection properly between main power supply PCB are PCB and low properly connected voltage power supply PCB Harness 4 Harness wire is damaged Yes Replace the harness with a between main normal part PCB and low voltage power supply PCB LCD 5 Replacement of LCD solves Yes Replace the LCD with a the problem normal part Control panel 6 Replacement of control panel Yes Replace the control panel PCB PCB solves the problem PCB with a normal part Low voltage 7 Replacement of low voltage Yes Replace the low voltage power supply power supply PCB solves the power supply PCB with a PCB problem normal part Main PCB 8 Replacement of main PCB Yes Replace the main PCB with solves the problem a normal part 6 24 8220 SERVICE MANUAL L 2 The control panel does not work 1 Key sticking Any key on control panel is Yes Clean up the panel cover or stuck remove the burrs from panel cover
74. Your PC See the illustration on page A 2 1 sure that your PC is turned off 2 Make sure that the power cord of the machine is unplugged from a wall socket or other power source 3 Connect the parallel interface cable to the parallel port on the back of the machine and secure it with the lock wires 4 Connect the other end of the interface cable to the printer port of your PC and secure it with the two screws Setting Up the Machine and Your PC 1 To make the machine enter the maintenance mode press the Menu button 2 8 6 and 4 keys in this order lt within 2 seconds 2 4 8220 SERVICE MANUAL 2 3 Running the Setup Utility 1 On your PC run the ID head property setup utility BRUSBSN EXE The following window will appear B r L b 5 n FileKF Port M Serial No 000 Head Info Model bl DCP 8070 C MFC DCP 8025D DCP B025DN MFC 2 D P 8025J C BH MFC 8210J 8220 BY4 420 C Printer 2 MFC 8820 2 On the Model menu click 2 In Port make sure that the HFC DCP ports connected are shown When not select please click down arrow key and select the USB port of MFC 8220 In the Serial No 000 box type the 9 digit serial number e g G01012345 printed on the nameplate labeled to the back of the machine as an ID code Then press
75. a xpo aci 0017 lia B 00181 52 0919 153 001121 154 001141 I55 1 vss 0091121 157 2 ves 091131 sa 001141 sata 35 lt vss 001151 47 vss 0010 B 51 lt ves 0014 s2 lt vss 0012 ws Ey 44 lt vss mls 143 xpa2g 0015 aa 00161 145 22 00171 Iu 1 ida 77 5 1 00191 118 100149 loa ooo etos 00144 las BASH nd 001121 laa encor DLE E5 CAN E M 00143 4 6 4 60 1 6 4 7 1 4 1 4 58 4 68 2 00114 los 1 6M4 60 1 6F 1 7A 16 4 10 65 195 Sp e128 7 cxt Notuse SSOSDA Be ke mo SOL ST DGMBQ CASNO NotUst PE a 5 P us SIMI 161 IA NotUse Ion 1 64 1 6C 1 6F 1 7A 1E 4 1 9 EET 1 6A 1 6C 1 6F 1E 4 1 ris laa gt saz 1 6A 1 6C 1 6F 1E 4 1C 4 58 4 68 gt SNO RASNO ED sme 29 SNL RASNI E1 34 SN2 PASN2 E2 82 gt SN3 RASN3 E3 15 a PA HE BAL A12 s ec s er 1 7a s6 ie BAD 1 64 1 6C 1 67 1 T8 AE 471C 28 4 68 EHAU EHAU gt a13 NotUse A15 ADRL I4 2 gt A12 NotUse A14 mH wei 159 5 A11 A13 mH yeca
76. actual drum life such as temperature humidity type of paper type of toner used number of pages per print job so on Under ideal conditions the average drum life is estimated at up to 20 000 pages The actual number of pages that your drum will print may be significantly less than this estimate Because we have no control over the many factors that determine the actual drum life we cannot guarantee a minimum number of pages that will be printed by your drum e For best performance use only genuine Brother toner The machine should be used only in a clean dust free environment with adequate ventilation e Printing with a third party drum unit may reduce not only the print quality but also the quality and life of the machine itself Warranty coverage does not apply to problems caused by the use of third party drum unit 5 1 CHAPTER 5 PERIODIC MAINTENANCE Change Drum message If the LCD shows the message below it means the drum unit is near the end of its life We recommend that you replace the drum unit with a new one before there is a noticeable deterioration in the print quality Change Drum Soon Fig 5 1 caution While removing the drum unit handle it carefully because it may contain toner lt How to Check the Remaining Drum Life gt Press the Menu 2 0 and 3 keys in this order and the drum life is displayed on the LCD for 2 seconds Drum Life Remaining xx Fig 5 2 lt Replacement Procedure g
77. and creating a new print queue in order to eliminate the possibility of setup errors 1 The problem may be the result of mismatched or duplicate IP address Verify that the IP address is correctly loaded into the print fax server via the configuration page Make sure that no other nodes on the network have this address DUPLICATE IP ADDRESS ARE THE BIGGEST CAUSE OF TCP IP PRINTING PROBLEMS 2 Make sure that the TCP IP protocol of the print server is enabled 3 If you used rarp make sure that you started the rarp daemon on any workstation using the rarpd rarpd a or equivalent command Verify that the etc ethers file contains the correct Ethernet address and that the print fax server name matches the name in the etc hosts file 4 If you used bootp make sure that you started the bootp daemon on any UNIX workstation and bootp is enabled i e the is removed from the bootp entry in the etc bootptab file is correctly configured 5 Also verify that host computer and the print fax server are either on the same subnet otherwise that the router is properly configured to pass data between the two devices UNIX Troubleshooting 1 Make sure that the etc printcap file if applicable is typed in correctly In particular look for missing and characters because a small error anywhere in the file can have major consequences Also check the usr spool directory to make sure that you have created a valid spool directo
78. appear as shown below T Filedres x File View Help maa mi d amp a PaperPort PaperPort Brother Brother Brother Acrobat Color HL 7050 se HL 4000C 8220 Distiller Select file s to be sent to the printer Brother 8020 on Drag and drop the update data onto the icon of the model being used in the Filedrgs windows During downloading the machine beeps intermittently Upon completion of the downloading the machine beeps continuousN NOTE If the machine cannot return to the standby state after completion of downloading turn the power off and on A 3 APPENDIX 2 INSTALLING THE UPDATE DATA 2 2 1 2 2 SETTING ID CODES TO MACHINES Brother driver machines are assigned unique ID codes character strings at the factory If you replace the main PCB of the machine the machine will lose its assigned ID code so that it will not be identified by the connected You need to assign a unique ID code character string to the machine according to the procedure given here For models covered by this manual set serial numbers given to individual machines as ID codes ID codes are essential when more than one machine is connected to a single PC via USB Please check the printer driver of MFC 8220 is installed in a host computer before working When not installed Please install a printer driver in a host computer before working Connecting the Machine to
79. applicable to the American version e Selectors 6 and 7 Number of DTMF tone signals for inhibiting the detection of CNG during external TAD operation If the machine receives this specified number of DTMF tone signals during external TAD operation it will not detect CNG afterwards If these selectors are set to 1 1 the CNG detection will not be inhibited WSW35 Function setting 13 Function Setting and Specifications 1 Not used 8 A 36 8220 SERVICE MANUAL WSWS36 Function setting 14 Function Setting and Specifications ECP mode 0 ON 1 OFF 2 Recovery from inactive PC p Fes ESSI interface 0 Disabled 1 Enabled PC power off recognition time 0 Normal 1 Long Not used Escape from phase C 0 Yes 1 No No 6 7 8 0 0 0 0 Not ignored 0 0 1 4 448 Hz T 0 1 0 8 244 Hz Lower limit of frequency to be ignored after detection of calling 1 1 12 162 Hz signals Ci 1 0 0 16 122 Hz 1 0 1 20 97 Hz 1 1 0 24 81 Hz 1 1 1 28 69 Hz ECP Enhanced Capabilities Port e Selector 1 ECP mode The ECP mode enhances the normal bidirectional communications between the machine and the connected PC for higher transmission speed e Selector 2 Recovery from inactive PC interface If the machine recognizes via the STB signal line that the connected PC is powered off it will turn the PC interface outputs Low to protect the PC from hazards that could be caused by weak electric curr
80. bi directional communication but some might have an incompatible pin assignment or may not be IEEE 1284 compliant The installation programs for the hardware setup and driver installation are contained on the supplied CD ROM For All Users For Windows users 1 Turn on the PC power Insert the supplied CD ROM into the CD ROM drive The opening screen will appear automatically Follow the on screen instructions NOTE If the opening screen does not appear click Start and select Run Then enter the CD arive letter and type START EXE for example DASTAHRT EXE 2 Click the Initial Setup icon on the menu screen 3 You can view the Initial Setup instructions For Macintosh users 1 Turn on the Macintosh Insert the CD ROM into the CD ROM drive 2 Double click the Start Here icon or Start Here OS X icon Follow the on screen instructions 3 Click the Initial Setup icon on the menu screen 4 You can view the Initial Setup instructions 2 5 CHAPTER 2 INSTALLATION AND BASIC OPERATION 3 1 4 Attaching the Supports NOTE Do not connect the interface cable Connecting the interface cable is done when installing the ariver 1 Attach the ADF document support ADF document support Fig 2 3 3 Attach the ADF support ADF document output support Fig 2 4 4 Close the control panel cover 2 6 8220 SERVICE MANUAL 3 1 2 Installing the Handset 1 Connect the curled handset
81. computers Press the ALT and TAB keys to make it appear Windows 95 98 Me Peer to Peer HP JetAdmin Compatible Method Troubleshooting If you are having trouble printing on a Windows 95 98 Me Peer to Peer network check the following HP JetAdmin compatible method 1 If the print fax server does not show up under JetAdmin on a Windows 95 98 Peer to Peer network try removing all of the Windows 95 98 Me network software from the Network Control panel and then reinstalling them as follows e First install the IPX SPX Compatible Protocol or the TCP IP protocol if you are using later version of JetAdmin the Client for Microsoft Networks and the network adapter card driver e Install the Latest HP JetAdmin software Restart the system and then add the HP JetAdmin service 6 56 10 8 10 9 10 10 8220 SERVICE MANUAL Windows 95 98 Me 2000 XP NT 4 0 Peer to Peer Print NetBIOS Troubleshooting If you are having trouble printing on a Windows 95 98 Me 2000 XP NT 4 0 or later Peer to Peer network NetBIOS check the following 1 Make sure that the Brother NetBIOS Port driver is securely installed and configured according to the Windows 95 98 Me 2000 XP NT 4 0 Peer to Peer NetBIOS chapters You may find that during the installation of the port driver the screen that prompts you for a Port name is not displayed This happens on some Windows 95 98 Me 2000 XP NT 4 0 computers Press the ALT and TAB k
82. connected correctly drum unit and in the machine 5 6 Yes Is the problem solved when 4 Yes No High voltage Is the harness connection Yes Replace the high Yes Yes es or 5 pages are printed after the toner cartridge is replaced with a full one cartridge is defective Replace the toner power supply between the high voltage PCB failure power supply PCB and the engine PCB correct voltage power supply 2 4 5 Engine PCB Is the harness connection PCB Main PCB between the engine PCB and Replace the engine PCB or the main PCB failure the main PCB correct Dirt on the Is there any dirt on the scanner Wipe it off with a soft scanner window window clean paper Laser unit failure 7 Is the problem solved after Y Replace the laser unit replacing the laser unit 6 32 8220 SERVICE MANUAL Check the paper used meets the recommended paper specifications 1 2 Check the machine s environment High temperature and high humidity conditions can increase the amount of background shading 8 Clean the corona wire with the wire cleaner 4 Try installing a new toner cartridge or drum unit Corona wire 1 Are the charge electrodes Yes Clean both electrodes failure between the machine and the contact failure drum unit dirty Drum unit failure 2 Is the problem solved after Yes Replace the drum unit replacing the drum unit with a new one failure replacin
83. for troubleshooting information and then close the file to continue installation 20 Check the Run On Line Registration and then click Next 21 Click Finish to restart your computer 22 After the computer restarts click Yes to have the Control Center load each time Windows is started The Control Center will appear as an icon in the task tray If you click No the Scan keys on the machine will be disabled NOTE Even if you select NO you will be able to launch the Brother Control Center later to use the Scan key by double clicking the Smart UI icon on the desktop This loads the Brother Control Center to the task tray See AutoLoad the Brother Control Center Chapter 4 in the Documentation Software User s Guide located on the CD ROM OK A Basic Universal printer driver was installed with the MFL PRO Software Suite which is certified for use with Windows operating systems Brother also offers a fully featured printer driver Native driver that includes more features than the Basic Universal driver However this driver does not include a Windows certificate To install the Brother Native driver proceed to step 23 NOTE For details on what features are available see chapter 2 of the Software User s Guide Brother Native driver Installation 23 Click Start and select Settings and then Printers Click on Add Printer and the Add Printer Wizard will start When this screen appears click Next 24 Un check the
84. length limitation This selector is used to select the maximum length of a document to be sent e Selector8 Stop key pressed during reception If this selector is set to 1 pressing the Stop Exit button can stop the current receiving operation The received data will be lost A 22 8220 SERVICE MANUAL WSW17 Function setting 2 Function Setting and Specifications No Selector No 1 2 3 4 5 No alarm Off hook alarm Always valid Valid except when call reservation is selected Not used Calendar clock type 26 Not used Non ring reception mmu Not used Selectors 1 and 2 Off hook alarm These selectors activate or deactivate the alarm function which sounds an alarm when the handset is off the hook after the communication is completed The off hook alarm works also for an external telephone connected to the EXT modular socket e Selector 5 Calendar clock type If this selector is set to 0 USA the MM DD YY hh mm format applies if it is set to 1 Europe the DD MM YY hh mm format applies DD is the day MM is the month YY is the last two digits of the year hh is the hour and mm is the minute e Selector 7 Non ring reception Setting this selector to 1 makes the machine receive calls without ringer sound if the ring delay is set to 0 A 23 APPENDIX 3 FIRMWARE SWITCHS WSW WSW18 Function setting 3 N 2 3 Detection enabled time for CNG
85. machine in the application software 6 52 8220 SERVICE MANUAL 10 NETWORK PROBLEM If the error related to network occurs refer to the following sections 10 1 Installation Problem If you cannot print over the network check the following 1 Make sure that the machine is powered on is on line and ready to print Verify that the machine and the configuration are good by printing the machine settings page If the test fails check a If the LED is not blinking after connected to the network then the network firmware settings may be corrupted Please refer to step 3 b In this event try to restore the factory default settings of the print fax server To learn how to reset the print server set APIPA to off using control panel Once you have done that switch the machine off and then on again and try to print out the configuration page 2 If the configuration page is prints but you cannot print documents try the following NOTE If none of the following steps are successful there is almost certainly a hardware or network problem 8 If you are using TCP IP Try pinging the print fax server from the host operating system command prompt with the command ping ipaddress Where ipaddress is the print fax server IP address note that in some instances it can take up to two minutes for the print fax server to load its IP address after setting the IP address If a successful response is received then proce
86. machine shows Cooling Down and Wait For A While You must wait for a while for it to cool down Cover Open PLS Close Cover The front cover was not completely closed Close the front cover for the drum unit Disconnected The other party or other party s fax machine terminated the call Try to transmit or receive again Machine Error XX Machine has a mechanical problem Refer to 2 2 Error Codes Shown in the MACHINE ERROR X X message 6 4 8220 SERVICE MANUAL Error Message Cause Action Out of Memory You cannot store data in the Fax sending in process memory Press Stop Exit button and wait until the other operations in progress finish and then try again OR Clear the data in the memory Copy operation in process Press Stop Exit button and wait until the other operations in process finish and then try again OR Clear the data in the memory OR Add an optional memory Printing operation in process Reduce print resolution OR Clear the data in the memory OR Add an optional memory No The number you dialed does not Verify the number and try again Response Busy answer or is busy Not You tried to access a One Touch Set up the One Touch or Speed Registered or Speed Dial number that is not Dial number programmed PLS Open Cover A page piece of paper or paper Open the front cover If you see clip etc may be ja
87. not forwarding e mail to a G3 Fax check the Relay Broadcast settings and Relay Domain registration A Relay Domain must be entered for this function to work 9 The Relay Broadcasting and Broadcasting features cannot be used at the same time 10 Relay Broadcast can support the relay of a document up to a maximum of 48 Fax machines through conventional telephone lines If sending to more than 48 locations the sender must divide the transmission locations into 48 locations or less for each relay broadcast 11 When receiving e mail messages from the POP3 server the machine can receive a maximum of 32 mail messages If there are more than 32 mail messages in the server the machine will receive a maximum of 32 mail massages and then receive the remaining after the next polling interval 12 The NC 9100h print fax server requires a portion of the user memory for operation With the NC 9100h installed the number of fax sheets that can be sent or received will be reduced by approximately 30 pages of the brother No 1 Test Chart from the standard machine capacity 6 60 8220 SERVICE MANUAL CHAPTER 7 MAINTENANCE MODE 1 ENTRY INTO THE MAINTENANCE MODE To make the machine enter the maintenance mode press the Menu button 2 8 6 and 4 keys in this order k Within 2 seconds The machine beeps for approx one second and displays MAINTENANCE on the LCD indicating that it is placed in the initial s
88. on the engine PCB good Blown thermal Remove the fixing unit and Yes Replace the fixing unit fuse measure the resistance of the thermal fuse Is it open circuit Thermistor Is the thermistor installed Yes Replace the fixing unit failure properly No Reinstall the thermistor properly Halogen heater Remove the fixing unit and Yes Replace the halogen heater lamp failure measure the resistance of the lamp halogen heater lamp Is it open circuit Harness Is the LD harness connector Reconnect the connector connection on the main PCB secured securely No failure 1 correctly Replace the laser unit N Harness Is the polygon motor connector 0 Reconnect the connector connection on the engine PCB secured securely Replace the laser unit failure 2 correctly Poor thermistor Is the contact of connector harness contact CN7 on the engine PCB good Blown thermal Remove the fixing unit and fuse measure the resistance between the input connectors Is it open circuit Thermistor Is the thermistor installed Yes Replace the fixing unit failure properly No Reinstall the thermistor properly Halogen heater Remove the fixing unit and Yes Replace the halogen heater lamp failure measure the resistance of the lamp halogen heater lamp Is it open circuit Heater harness Is the heater harness Reconnect the connectors connection connector connected to the securely failure low voltage power supply PCB and fixing unit secure
89. periodically to avoid any machine problems or print image defects caution While drum unit and scanner window cleaning basically can be implemented by the end user the electrical terminals inside the machine and on the drum unit should be cleaned by a service technician Instruct the users not to touch those terminals N WARNING There are high voltage electrodes inside the machine Before cleaning the machine make sure that the power switch has been turned off and the power cord has been unplugged from the power outlet 3 1 Cleaning the Machine Exterior Clean the machine exterior to keep the machine clean 1 Turn off the power switch and unplug the power cord 2 Wipe dirt and dust away from the machine exterior with a damp cloth and allow the machine to dry completely before turning the power on again 3 Plug in the power cord caution Use water or neutral detergents for cleaning Cleaning with volatile liquids such as thinner or benzene will damage the surface of the machine Do not use cleaning materials that contain ammonia They will damage the machine and the toner cartridge 3 2 Cleaning the Scanner Open the control panel cover Clean the white bar document holder and the lower glass cover with a lint free cloth with office equipment cleaning solution White bar Control panel cover Glass cover Fig 5 35 5 22 3 3 3 4 MFC 8220 SERVICE MANUAL Cleaning the Drum Unit W
90. roller Paper feed pinch roller Paper feed roller Regist front actuator Paper pick up roller Separation pad Pressure plate Fig 3 21 The paper is gripped between the paper pick up roller and the separation pad and separated into individual sheets The pick up roller is directly connected to the clutch mechanism whose rotation is stopped by the stopper arm When the pick up solenoid is activated the clutch mechanism is engaged by the solenoid action and the paper pick up roller is driven The paper drawn out of the tray by the pick up roller pushes against the regist front actuator and the paper top position absence of paper is detected by sensing the motion of the actuator Paper registration After the paper top position is detected by the regist front actuator the paper separated into individual sheets by the paper pick up roller is fed further for a specified time and the paper top position reaches the paper feed roller so that the paper skew is adjusted Then the solenoid is turned off the paper feed roller starts turning and the paper is fed to the transfer block in the drum unit 22 Paper feed roller Photosensitive drum Transfer roller Regist rear actuator Regist front actuator Fig 3 22 The regist rear actuator in the path from the feed roller to the transfer roller controls the first print position on the paper 3 15 CHA
91. the OK button The setup utility will transmit the ID code data from your PC to the machine and then it will terminate The machine will automatically return to the standby mode 3 check whether the entered character string ID code is correct make the machine then press the 8 key and 0 key in this order refer to CHAPTER 7 Subsection 3 15 The USB serial number appears on the LCD 4 Check that the character string entered in step 2 is appears on XXXXXXXXX If itis OK press the Stop Exit button and press the 9 key twice to exit from the maintenance mode If something other than that is printed in XXXXXXXXX check the connection between the PC and machine and go back to step 1 A 5 APPENDIX 3 FIRMWARE SWITCHS WSW APPENDIX FIRMWARE SWITCHS WSW WSW No Function Reference Page 7 WSWO02 Tone signal setting A 8 A 9 WSW04 TRANSFER facility setting A 9 WSW10 Protocol definition 2 A 16 17 WSW12 Signal detection condition setting A 18 A 19 WSW14 AUTO ANS facility setting A 20 WSW15 REDIAL facility setting WSW16 Function setting 1 WSW17 WSW 1 TAD setting 1 wsw22 ECM setting WSW23 Communications setting WSW28 Function setting 6 A 32 A 33 WSW30 Function setting 8 A 33 Function setting 14 A 37 Function setting 16 A 39 WSW40 Function setting 18 A 41 WSW42 Function setting 20 43 WSW43 Function setting 21 wsw44 Speeding up scanning 1 WSW45 Speeding up scanning 2 WSW50
92. the correct machine is selected if you have an interface switching device Check that the appropriate printer driver is selected as Set as Default Check also that the correct print port is set for the selected printer driver Check that the machine is not connected to the same port which is also connected to a mass storage device or scanner Remove all other devices and connect the port to the machine only Turn off the printer status monitor in the device options tab in the printer driver If the print port is set as an ECP port change it to a normal port Try resetting the factory settings Main PCB Is it possible to print with failure another PC and printer cable This problem may appear under the specified system environment Check the environment which the user used Although the USB driver is installed it is unable to find the BRUSB port Windows98 Me only User Check Re install according to the instruction of the subsection 3 2 in Chapter 2 Try to connect the machine directly to the computer if it is connected through a USB hub Computer 1 Windows 95 or Windows Yes Not supported Operating NT4 0 System Computer Does Universal Serial Bus No This problem can be caused settings Controllers appear in the by your computer settings Device Manager tab of System See the computer manual Properties in control panel 2 USB cable 3 Does Add New Hardware The USB cable is damaged machine Wizard
93. the pulse DP and tone PB dialing by using the function switch e Selector8 Default dialing mode pulse DP or tone PB dialing This selector sets the default dialing mode pulse dialing or tone dialing which may be changed by the function switch If the user switches it with the function switch when selector 7 is set to 0 the setting specified by this selector will also be switched automatically WSWO2 Tone signal setting No 1 2 1 0 0 70 ms Tone signal transmission time 0 1 80 ms 2 length 1 0 90 ms 1 1 100 ms Min pause in tone dialing Attenuator for pseudo ring backtone to the line selectable in the range of 0 15 dB e Selectors 1 through 4 Tone signal transmission time length and Min pause in tone dialing These selectors set the tone signal transmission time length and minimum pause in tone dialing Example lf 1 2 3 4 and 5 are dialed Tone signal transmission time length set by selectors 1 and 2 1 2 3 4 5 Min pause set by Selectors 3 and 4 e Selectors 5 through 8 Attenuator for pseudo ring backtone to the line These selectors are used to adjust the sound level of beep generated as a ring backtone in the F T mode or as a signal during remote control operation or at the start of ICM recording Setting two or more selectors to 1 produces addition of attenuation assigned to each selector A 8 8220 SERVICE MANUAL WSW03 PABX mode
94. to 23 Windows 95 NT Users Go to 26 23 Select yes and then click Next 24 Click Next or enter the name you want displayed on the LCD for your PC and then click Next The default name is the name of your PC NOTE You can avoid receiving unwanted documents by setting a 4 digit PIN Number Please wait for the window to open 25 The README file will be displayed Please read this file for troubleshooting information and then close the file to continue installation 26 Check the Run On Line Registration and then click Next 27 Click Finish restart your computer Windows 95 98 98SE Me NT 2000 Users follow step 27 NOTE The Network Scanning feature is not supported in Windows 95 or NT OK For Windows XP Users Only The Brother PC FAX Printer and Scanner drivers have been installed and the installation is now complete 2 26 8220 SERVICE MANUAL 28 After the computer restarts click Yes to have the Control Center load each time Windows is started The Control Center will appear as an icon in the task tray If you click No the Scan key on the machine will be disabled NOTE Even if you select NO you will be able to launch the Brother Control Center later to use the Scan key by double clicking the Smart UI icon on the desktop This loads the Brother Control Center to the task tray See AutoLoad the Brother Control Center Chapter 4 in the Documentation Software User s Guide located on the CD
95. up B5 EXE Number of B5 Executive size sheets picked up ENVLOP Number of envelopes picked up OTHER Number of other size sheets picked up DRUM Drum counter COVERAGE Average black coverage DRUM CH Number of times the drum has been replaced DATE Last date when the drum was replaced TNER CH Number of times the toner cartridge has been replaced DATE Last date when the toner cartridge was replaced COPY Number of copies made PC PRINT Number of PC prints made FAX Number of FAX outputs made MACHINE ERR Last machine error code COMERR1 Last communication error code ADF JAM Number of document jams that occurred at the ADF AD PAGE Number of scanned pages from the ADF 7 24 8220 SERVICE MANUAL 3 16 Machine Error Code Indication Maintenance mode 82 Function This function displays an error code of the last error on the LCD Operating Procedure gt 1 Press the 8 and 2 keys in this order in the initial stage of the maintenance mode The LCD shows the MACHINE ERROR X X 2 Press the Stop Exit button Return to the initial stage of the maintenance mode 3 17 Output of Transmission Log to the Telephone Line Maintenance mode 87 Function gt This function outputs the transmission log that the machine has stored about the latest transmission to the telephone line It allows the service personnel to receive the transmission log of the user s machine at a remote location and use it for analyzing problems aris
96. 0005 Belgium 0008 New Zealand 0009 Switzerland 0010 Ireland 0004 Denmark 0013 Austria 0003 Spain 0015 Italy 0016 Portugal 0018 Pan Nordic Norway Finland Sweden 0057 General 0050 A 1 APPENDIX 2 INSTALLING THE UPDATE DATA APPENDIX 2 INSTALLING THE UPDATE DATA 1 INSTALLING THE UPDATE DATA TO THE MACHINE If you want to update the current program stored in the flash ROM of the main PCB to the newer version or after you replace the main PCB install the update program onto the flash ROM The program installation requires a PC AT compatible computer which is capable of running MS DOS or its compatible OS 1 1 Connecting the Machine to Your PC 1 sure that your PC is turned off 2 Make sure that the power cord of the machine is unplugged from a wall socket or other power source 3 Connect the parallel interface cable to the parallel port on the back of the machine secure it with the lock wires 4 Connect the other end of the interface cable to the printer port of your PC and secure it with the two screws 1 2 Setting up the Machine and Your 1 Plug the power cord of the machine into a wall socket and turn on the power switch while pressing the 5 key on the machine s control panel 2 Check to see that the following pattern displays on the LCD If it does not display go back to step 2 above 3 Turn your PC L fT CX Parallel i NON interface cable Host compute
97. 2 4 or earlier there is a bug which causes long print jobs to fail when using a print fax server If you are having trouble printing long jobs over 1MB add the line 0 to your etc printcap file entry 10 If you cannot print from DEC TCP IP Service for VMS UCX make sure that you have version 2 0B or later of this software because earlier versions will not work with Brother print fax servers Windows NT LAN Server TCP IP Troubleshooting If you are having trouble printing with Windows NT or LAN Server check the following 1 Make sure that TCP IP and TCP IP print service are installed and running on the Windows NT system or the LAN Server file server 2 If you are using DHCP you have not created a reservation for the print fax server make sure that you enter the NetBIOS name of the print fax server in the Name or address of server providing box Windows 95 98 Me Peer to Peer Print LPR Troubleshooting If you are having trouble printing on a Windows 95 98 Me Peer to Peer network LPR method check the following 1 Make sure that the Brother LPR Port driver is correctly installed and configured according to the Windows 95 98 Me Peer to Peer chapters 2 Try to turn the Byte Count on in the Configure port area of printer driver properties You may find that during the installation of BLP software the screen that prompts you for a Port name is not displayed This may happen on some Windows 95 98 Me
98. 3 S3ec7450 93 18 21 15 1 21 19 1a 1c 13 15 1 16 1b 1d 24 58ec 478 19 ib le 25 13 1f 19 15 1b 11 16 14 16 1 1a 16 59 7488 16 18 14 15 22 17 1a 1a 8c le 1a 1d 13 le 1d 1 59ec7490 13 16 18 21 1d 14 17 1d 18 1c 14 17 1e 1f 18 la 59 74 12 14 15 16 14 14 1d 14 19 19 1e 1f 21 22 1b 1b 59 7468 16 Bf 13 10 Ib 17 1a 18 19 19 28 18 14 11 17 59 74 13 17 15 22 14 18 Be 15 18 f 16 8d 13 Od 11 59 7498 12 16 17 14 1b 13 15 13 14 17 if 12 8e 14 59ec74e 18 16 11 Ba 8d 15 17 13 11 14 17 11 12 19 b 592 741 53ec 5t Sec 51 76 7a 72 81 7d 5 5 59 10 86 87 83 74 7 5945757 5 20 89 88 89 83 86 53 5 lt 59ecba38 85 7f 84 83 84 8a 7 53 40 97 83 84 7 53 58 89 8f 8d Ba 59 757 59 58 Sc 93 94 9b S3ec75E 0 95 44 Sf 53 55 59 38 87 97 94 99 8a 5 7 59 6 98 81 96 8f 92 97 59 75 59echaad 95 Jc al If a3 59 5 59ecbabe al a3 ab Se 59 75 59 a3 95 93 92 59ec75e 5Secbad Sc 59e0751 9c Sf al 98 9e a2 a3 59 761 59 9d a2 al 5 2 59ec6b18 al ac ab aa 9 5SecbB2H 5b 45 38 28 2a 2a 2d 2 9 SSecbb
99. 35 Jw 5 330 C102 NOT ASSY 41 4910 c1 1 12 C105 W29 W28 JW 5 JW 5 De eat 16 s 1 las XXIST R4 i 1 306 xx 56 8220 SERVICE MANUAL Appendix 4 10 NCU PCB Circuit Diagram U S A 6553 x e cioe Lori TE du 1 PA1 4910 A OUAZ SH 12407 a T 510 xx 2 E Um 02 RA 242M Ct 6 FG xe 41 4910 TELRL 128 5 1 to 12pin FB B10B PH K S 1pin to 10 ADRESS LG439600 1 54396011 en COIL 987 1 BT 17 BT 27 424v O Otas W F6 m Heo 510 620 45V 0 22 o C17 1 35v Cie 50v c19 102 NOT ASSY 1 2 53 A 4 5 6 0 007 031 V 1 02 57 APPENDIX 4 CIRCUIT DIAGRAM Appendix 4 11 Contro Panel PCB Circuit Diagram CN19 PANEL 1 PANEL PANEL MAIN RELAY tawy 1 HARNESS HSEN T d
100. 38 26 2 5 7 5Secbb4B 58ec b 59 76 5 58ec bc 59ec7Gc 5 53 761 5 77 771 59 59 77 59 77 58 20 7 BSSec amp cah 59 77 B ecEcdB BSecEc5B 59 7 5 78 E eci fe 53ec 53 7208 aa ab bY af bl ad 53ec7218 a9 af ac a5 b5 a8 Saco 59ec7228 af b7 ad b5 b2 ad ba 55 af Egec 7e Siet 59 7238 b b3 b5 b bE ac bc bl ac 5986771 5 58ec7248 a9 ad ae b3 ab 54 59 7258 ae ab bb ad b5 af ad b3 59 7268 bg bc b3 b3 b4 ac 63 b 59ec 59 7270 a8 b b5 b5 ae ae b5 ac 58 59ec728B a8 ac b ad a3 a3 58ec7288 Sd ad ab ab al b2 ad ab 5250 BSeci2ab af af af ae a6 ac 59 59 9322 59ec72b8 b8 pS ac bd bl aa ad bd bd 59 72 ad ad ad b ad bJ pee 59ec72d8 b4 ad af a3 b8 a8 a3 59ec72e8 bA af af 94 a7 ae ac ac 58ec72f8 a3 a a2 ab b ad 9d 3250 58 7308 aB 5 o5 ab 54 7310 b 54 ba b5 ba b5 ae af bl 53257328 ab ba ab b2 b2 af af 59257338 ag sd af ad ac af 587 b4 53257349 a
101. 424v MAIN FELAY GREEN ve TYP 24v TE MAX 24vx1 05 2 1Vx6pcs 6802 99 19 mA MAX 19 SmA ex 6802 99 PITCH 12 5mm 1 2W 680 1 F RED vravel 2 0 vecvel Tf MAX 24 1 05 2 15 x 95 8 Sma MAX 2 OMA MAX 9 2 1500 9 95 0 1 32 QW MAXI hw 1 DTC114YUA Ra R14 1 4W 1 5 PITCH 10 Omm FPC gt 10 gt H 8 DTC143ZUA 20121 4 0mA 2x 20008 95 4 1 05 2 vx6pcs 35009 xo 95 Vf 2 1V If MAX 5 1 05 2 1 180 2 95 748 4mA MAX TLGU1002A Kl 901002 18 4mAx 18 AmAx 1809 0 95 0 0580W 71 17 2W MAX aea B jue amp 5 2 22 TLGU1002A K LG LCD_CONTB 8888 E Ee 4B KIS 48 914 MIN RATING 10ua 1voc 48 KI4 gt KIS 44 kis gt S 1 3 288 15 gt 12 8 44 13 12 lt KOS 13 14 15 16 lt 5 K07 lt 3 s
102. 698 50 Remain Toner Weight at Toner Near Empty 80 85g 80 85g Toner Cartridge Weight at Toner Empty 678 5 683 5g 678 5 683 5g Remain Toner Weight at Toner Empty 60 70g 60 70g You can print 500 to 600 pages with 10g toner Without yellow protector Toner cartridge weight may vary within 2 to 3g depending on the cartridge weight The filling quantity of the toner cartridge is changed from the serial number M4JN000001B and M4JN000001C The previous toner cartridge lasts about 8600 pages and far exceeds the ensured life expectancy The filling quantity of the toner cartridge with the later serial number noted above is reduced but the life expectancy of the toner cartridge 6700pages is ensured 1 9 CHAPTER 1 GENERAL 3 SERIAL NO DESCRIPTIONS The descriptions below show how to understand the meanings of the numbers printed on the labels or bag of the machine and machine parts lt ID for production month gt A January B February C March D E May F June G July H August J September K October L November M December lt ID for year gt 3 2003 4 2004 lt ID for factory gt 9 Kariya Plant A Mie Brother BIUK J Buji Nan Ling Factory 1 Machine Printed on the label attached on the rear of the main body lt Example gt lt MODEL NO gt lt SERIAL NO gt T 1 1 1 RENS SEQUENTIAL NO FACTORY ID NO YEAR MONTH 2 Process unit Imprinted on the aluminum bag
103. 7 14 3 9 Sensor Operational Check Maintenance mode 32 7 15 3 10 Received Data Transfer Function Maintenance mode 53 7 17 3 11 Fine Adjustment of Scan Start End Positions Maintenance mode 54 7 19 3 12 CIS Scanner Area Setting Maintenance mode 55 7 20 3 13 Paper Feed and Paper Eject Test Maintenance mode 67 7 21 3 14 EEPROM Customizing Maintenance mode 74 7 22 3 15 Display of the Equipment s Log Information Maintenance mode 80 7 23 3 16 Machine Error Code Indication Maintenance mode 82 7 25 3 17 Output of Transmission Log to the Telephone Line Maintenance mode 87 7 25 3 18 Cancellation of the Memory Security Mode Not applicable to the Japanese version 7 26 APPENDIX 1 EEPROM CUSTOMIZING CODES A 1 vi 8220 SERVICE MANUAL APPENDIX 2 INSTALLING THE UPDATE DATA A 2 1 INSTALLING THE UPDATE DATA TO THE A 2 1 1 Connecting the Machine to Your A 2 1 22 Setting up the Machine and Your A 2 1 3 Installing the Update Data onto the Flash ROM of the Machine A 3 4
104. 8220 SERVICE MANUAL APPENDIX 1 EEPROM CUSTOMIZING CODES This function allows you to customize the EEPROM according to language function settings and firmware switch settings lt Operating Procedure gt 1 To make the machine enter the maintenance mode press the Menu button 2 8 6 and 4 keys in this order Within 2 seconds gt The machine beeps for approx one second and displays MAINTENANCE on the LCD indicating that it is placed in the initial stage of the maintenance mode a mode in which the machine is ready to accept entry from the keys Press the 7 and 4 keys in this order in the initial stage of the maintenance mode The current customizing code e g 9001 in the case of MFC8220 U S A version appears Enter the desired customizing code e g 9001 in the case of MFC8220 U S A version The newly entered code appears NOTE The machine does not work properly when an incorrect code is entered Press the Start button The machine saves the setting and returns to the initial stage of the maintenance mode If you press the Stop Exit button or no keys are pressed for one minute in the above procedure the machine stops the procedure and returns to the initial stage of the maintenance mode EEPROM Customizing Codes List gt Versions Medes MFC 8220 U S A 9001 Canada 0002 Germany 0003 United Kingdom 0004 France
105. ASH QATAIB DATA FIBI one musei once omw DATA 421 paratel tj PTT us PUT DATAIS wat ev eens ver RT BARI us CE i H H i i R B R R RIRI R RIRI RIRI R RI R RIR i OTa se oge DATASET pATALI2T 29 OMe DATALI3 res KAY 71 xm rare nic IMMANE I 1 6 1 6c 1 6p 18 CI IA DATALSI paratel 5101 DATA SUT paTatal DATA SI2 pATAL3 DATA SIST QATALAI 5141 5151 DATAIGI 8161 DATAUI 8171 parate 5181 paras DXTA SIS pATAL 0 51101 81141 QATALt2 81121 DATAL43 51131 patalsal 51141 DATALISI 81151 rre m c mti 8 888 reverence EAS ae mpm I 8220 SERVICE MANUAL Appendix 4 4 Main PCB Circuit Diagram 4 6
106. CATION TO ATTACH THE ADDITIONAL RIBS A 63 vii REGULATION REGULATION LASER SAFETY 110 120V MODEL ONLY This printer is certified as a Class laser product under the US Department of Health and Human Services DHHS Radiation Performance Standard according to the Radiation Control for Health and Safety Act of 1968 This means that the printer does not produce hazardous laser radiation Since radiation emitted inside the printer is completely confined within the protective housing and external covers the laser beam cannot escape form the machine during any phase of user operation FDA REGULATIONS 110 120V MODEL ONLY The US Food and Drug Administration FDA has implemented regulations for laser products manufactured on and after August 2 1976 Compliance is mandatory for products marketed in the United States One of the following labels on the back of the printer indicates compliance with the FDA regulations and must be attached to laser products marketed in the United States The label for Japanese manufactured products MANUFACTURED K BROTHER INDUSTRIES LTD 15 1 Naeshiro cho Mizuho ku Nagoya 467 8561 Japan This product complies with FDA radiation performance standards 21 CFR Subchapter J The label for Chinese manufactured products MANUFACTURED C BROTHER Oorporation Asia Ltd Shenzen Buji Nan Ling Factory Gold Garden Ind Nan Ling Village Buji Rong Gang Shenzen CHINA This p
107. CATION ei tacite uses 4 71 9 JHARNESS ROUTINE Dr 4 73 8220 SERVICE MANUAL CHAPTER 5 PERIODIC 5 1 1 CONSUMABLE PARS stein ires tortor nae phas 5 1 I ME nS EMT 5 1 1 2 Toner meer enne nen nenne 5 4 2 5 5 5 9 NEEDS 5 10 2 2 Paper Feeding 5 18 3 PERIODICAL 2 14 1 0 02 0 000000000000 00000000000 5 22 3 1 Cleaning the Machine 5 22 3 2 Cleaning the 5 5 22 3 9 Cleaning the Dr m Untt rie De Ph ee oe DE Re EXP 5 23 3 4 Cleaning the Scanner Window 5 23 3 5 Cleaning the Electrical 5 24 A INIT UNDC ER 5 25 CHAPTER 6 TROUBLESHOOTING 1 eene 6 1 INTRODUCTION be D t baa e da equ ida pda e erras 6 1 ISI gt dcc 6 1 1 2 Warnings for Maintenance 2 00 6 2 1 3 Identify the Problem 2 4 022 044 1 00 000
108. ER PRODUCT UNSICHTBARE LASERSTRAHLUNG WENN GEOFFNET UND VERRIEGELUNG GEL ST DIREKTEN KONTAKT MIT DEM LASERSTRAHL VERMEIDEN LASERGERAT KLASSE RAYONNEMENT LASEH INVISIBLE LORSQUE L APPAREIL EST OUVERT OU ENDOMMAGE EVITER TOUTES EXPOSITIONS DIRECTES AU FAISCEAU PRODUIT LASER DE CLASSE 3B OSYNLIG LASERSTRALNING NAR DEN HAR DELEN AR GPPNAD SPARRAR AR URKOPPLADE UNDVIK DIREKT EXPONERING AV STR LAR KLASS LASERAPPARAT USYNLIG LASERSTRALE NAR MASKINEN ER PEN DEKSELBRYTERE AKTIVERT UNNGA DIREKTE EKSPONERING AV LASERSTR LEN KLASSE LASER PRODUKT ONZICHTBARE LASER STRALING OPENING EN OMZEILDE BEVEILIGING YOOHKOM DIRECTE BLOOTSTELLING AAN STRAAL KLASSE LASERAPPARAT USYNLIGE LASERSTRALER HVIS DU ABNER OG SAMTIDIGT BLOKERER LASEN UNDG LASERSTRALERNE KLASSE LASERPRODUKT EMISI N DE RADIACI N L SER INVISIBLE CUANDO SE ENCUENTRA ABIERTO Y DESBLOQUEADO EVITE LA EXPOSICI N DIRECTA AL HAZ PRODUCTO L SER DE CATEGOR A 3B LAITETTA AVATTAESSA JA SUOJALUKITUSTA OHITTAESSA LAITTEESTA LAHTEE LASERSATEILYA VARO ALTISTUMASTA SUORAAN S TEELLE LUOKAN LASERLAITE 8220 SERVICE MANUAL DEFINITIONS OF WARNINGS CAUTIONS AND NOTES The following conventions are used in this service manual N WARNING Indicates warnings that must be observed to prevent possible personal injury caution Indicates cautions that must be observed to service the printer pro
109. FRONT ME 1 25W BS d 56 267 S v B pa Qu TLSU1002A TLGU1002A LD4 YN YN 5753 VM VM Ng X X WING YN RED 5 4 GREEN 24V O 3 24 15V QT o cio3 821 C104 D SOV O e e ov Q 1 A 3 A 62 8220 SERVICE MANUAL APPENDIX 5 LOCATION TO ATTACH THE ADDITIONAL RIBS The additional ribs are recommended to attach in order to prevent a damage towards ribs of the Top cover ASSY caused by printing with the particular kind of paper With the additional ribs it prevents paper jams when the particular kind of paper ejects as well There are 2 types of ribs Top cover rib MFC and Top cover rib MFC2 It is necessary to be careful about the two sides of location to attach the additional ribs properly as the figure below Top cover rib MFC2 S Top cover rib MFC2 TSY NOTE Pay attention to the location circled by red color dotted line t
110. INE STATUS 8 00 lt Error code MACHINE STATUS 9 00 Error code m s Fig 7 12 8220 SERVICE MANUAL 3 41 Fine Adjustment of Scan Start End Positions Maintenance mode 54 Function This function is to adjust the scan start end positions Operating Procedure gt 1 Press the 5 and 4 keys in this order in the initial stage of the maintenance mode The SCAN START ADJ will appear on the LCD 2 After a while the present compensation levels of the scan start end positions are displayed Compensation levels can be adjusted 11 steps from 5 to 5 mm 3 Press the left arrow key to increase compensation levels and the right arrow key to lower them Press the Stop Exit button and the machine returns to the initial state of the maintenance mode without adjusting compensation levels 4 Press the Set button The ACCEPTED will appear on the LCD One second later the machine returns to the initial stage of the maintenance mode Leading edge of document Trailling edge of document Fig 7 13 NOTE The correlation between the scan start end positions and compensation levels is shown below 7 19 CHAPTER 7 MAINTENANCE MODE BEMAINTENANCE Stop Exit button Stop Exit button gt Set button ACCEPTED 1 second later Fig 7 14 lt Left arrow key 6 e 9 Right arrow key Fig 7 15 3 42 CIS Sca
111. INFORMATION SAFETY INFORMATION CAUTION FOR LASER PRODUCT WARNHINWEIS FUR LASER DRUCKER CAUTION When the machine during servicing is operated with the cover open the regulations of VBG 93 and the performance instructions for VBG 93 are valid CAUTION In case of any trouble with the laser unit replace the laser unit itself To prevent direct exposure to the laser beam do not try to open the enclosure of the laser unit ACHTUNG Falle von St rungen der Lasereinheit muB diese ersetzt werden Das Geh use der Lasereinheit darf nicht ge ffnet werden da sonst Laserstrahlen austreten k nnen Location of the laser beam window ADDITIONAL INFORMATION When servicing the optical system of the printer be careful not to place a screwdriver or other reflective object in the path of the laser beam Be sure to take off any personal accessories such as watches and rings before working on the printer A reflected beam though invisible can permanently damage the eyes Since the beam is invisible the following caution label is attached on the laser unit DANGER GEFAHR DANGER VARNING FARE ATTENTIE FARE iPELIGRO VAROITUS INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCK DEFEATED AVOID DIRECT EXPOSURE TO BEAM CLASS 3B LAS
112. IS lock position home position or the location of the white level reference film attached to the inside of the scanner top cover If the location of the reference film is selected the CIS unit will not return to the lock position so as to shorten the travel time decreasing the preparation time for copying A 45 APPENDIX 3 FIRMWARE SWITCHS WSW WSWA6 Monitor of PC ON OFF state No Disabled Monitor SELECT IN Monitor STROBE Monitor both SELECT IN and STROBE dob ad port output pins kept at high 0 Enabled Disabled Scanned garbage correction 0 ON 1 OFF processing 5 Not used 8 Monitoring the PC ON OFF state NOTE e Selector 3 is applicable only to models equipped with a parallel interface e Selectors 6 through 8 are applicable only to models equipped with flat bed scanner e Selectors 1 and 2 Monitoring the PC ON OFF state For the related functions refer to WSW36 selectors 2 and e Selectors 3 Parallel port output pins kept at high level Setting this selector to 0 will keep all parallel output pins of the facsimile equipment at high level Use this setting if Resource Manager bundled with MFC models installed to Windows NT running on the connected PC fails to monitor the power ON OFF state of the facsimile equipment WSW47 Extending the closing state of the FAX line 1 7 Switching of USB 2 0 High 0 Auto Automatic switching Speed USB 1 1 Full Speed 1 USB 1 1
113. Instruct the user to keep paper loads below 27mm in depth Recommended to use the specified types of paper Adjust the Y offset by using the utility software supplied Reposition the sensor to the correct position Remedy Recommend to use the specified types of paper 1 If toner is out replace the toner cartridge 2 The toner sensor is defective Clean the toner sensor 3 If the wiper in the toner cartridge is broken replace the toner cartridge with a new one Fit the thermistor correctly Replace the low voltage power supply PCB 13 Image distortion MFC 8220 SERVICE MANUAL Is the laser unit secured to the frame incorrectly Check if there is any play Laser unit installation Is the laser diode or the scanner motor defective Laser scanner LD emission failure Scanner motor rotation failure Is the scanner harness connected properly Check if it is coming loose Scanner connection failure Machine 1 Is the machine placed installation horizontally Toner cartridge 2 Does the problem happen failure immediately after replacing the toner cartridge with a new one Scanner window 3 Is the scanner window dirty dirty Laser unit failure 4 15 the problem solved by replacing the laser unit 6 41 Yes Secure the unit correctly and tighten the screws Yes Replace the laser unit Connect the harness correctly No Place the machine on a flat surface Yes
114. LY 6 SCREW TORQUE LIST 1 Main Body No Parts code Parts name Location Pcs Tightening torque N m Kgf cm NCU PCB ASSY 2 1 087320 616 Taptite cup S M3x6 NCU shield cover 1 0 686 0 098 7 1 NCU shield plate 2 087320 616 Taptite cup S M3x6 Main PCB ASSY 5 0 686 0 098 7 1 0023000 633 Screw pan M3x6 Main PCB centronics 2 0 49 0 098 5 1 4 LM2119001 Screw pan M3x6 Main PCB USB 1 0 49 0 098 5 1 2 Cover No Parts code Parts name Location Pcs Tightening torque N m Kgf cm Inner chute 4 1 085412 216 Taptite bind B 4 12 Joint cover front L 2 0 784 0 098 8 1 Joint cover front R 2 087311 016 Taptite cup S M3x10 Driver ASSY 3 0 392 40 049 4 0 5 087320 616 Taptite cup S M3x6 Driver PCB shield 1 0 686 0 098 7 1 Joint cover ASSY 4 Side cover R 3 Side cover L 4 4 085412 216 Taptite bind B 4 12 0 784 0 098 8 1 Rear cover R 2 Rear cover L 2 Driver PCB access cover 1 087310 815 Taptite cup B M3x8 LF ground spring 1 0 294 0 053 3 0 5 087311 016 Taptite cup B M3x10 HS holder 2 0 588 0 098 6 1 3 Document Scanner No Parts code Parts name Location Pcs Tightening torque N m Kgf cm i 1 0 686 0 098 7 1 2 087311 016 Taptite cup M3x10 Document chute ASSY 4 0 588 0 098 6 1 4 Panel No Parts code
115. M in this manual Sensor configuration varies according to machine types MFC 8220 Upper cassette sensor Upper paper exit sensor Built in X Not built in 1 5 1 5 1 8220 SERVICE MANUAL Power Supply Low voltage power supply The power supply uses a switching regulation system to generate the regulated DC power 3 3V 8V non regulated and 24V which are converted from the AC line The regulated output is listed below Regulated Output 3 3V 1 5A 8 0 7 24V 2 9A For the circuit diagram of the low voltage power supply PCB see APPENDIX 4 12 LOW VOLTAGE POWER SUPPLY PCB CIRCUIT DIAGRAM in this manual Heater Thermal Fuse Heater Circuit Lamp Lightning Surge Absorber Feedback EN Oscillator Engin Circuit Main Circuit O 24V 24 Regulation Circuit 8V 3 3V Regulation Circuit Fig 3 17 3 11 CHAPTER 3 THEORY OF OPERATION 1 5 2 High voltage power supply The high voltage power supply generates and outputs the voltages and currents for the charging development and transfer functions For the circuit diagram of the high voltage power supply PCB see APPENDIX 4 13 and 4 14 HIGH VOLTAGE POWER SUPPLY PCB CIRCUIT DIAGRAM in this manual 24NI Current Regulator Transfer Roller Cleaning Brush Voltage Regulator Supply Roller Photosensitive Drum Development Roller Current Regu
116. N 3 1 o PT I 3 1 1 1 General Block Diagram 3 1 1 2 PCB Block Diagram cte Eee t ed b e daa 3 2 1 3 Mam POB 3 3 uu CIL 3 3 119 2 3 4 12919 IBBE 1284 EUIS 3 4 1 9 4 HR 3 5 1 3 5 ElashiBOM iiiter ate PEE Pere Pru He a 3 6 1 9 6 SDRAM 3 6 1 37 Optional eet diee tr tutup een 3 7 1 28 3 7 1 39 9 EA 3 8 Umane EE 3 8 1 311 EMIe m 3 8 1 322 Video O s 3 8 1 3 13 5 I Eee 3 9 1 3 14 E 3 9 1 4 Engine POB 3 10 1 5 Power 3 11 1 5 1 Low voltage power 40 0 3 11 1 5 2 High voltage power
117. OBE PC POWER OFF TIME NORMAL USED MOVING TO PHASE C BY RTC YES IGNORE CI COUNT OFF 10000101 APPEND AN IMAGE ON XMIT REPORT IN PRINTER ERROR ON DELETE AN IMAGE ON XMIT REPORT AT NEXT TX OFF OT USED 6 7 n E quum em t Fig 7 4 CHAPTER 7 MAINTENANCE MODE 3 6 X Operation Check of LCD Maintenance mode 12 Function gt This function allows you to check whether the LCD on the control panel works normally Operating Procedure gt 1 Press the 1 and 2 keys in this order in the initial stage of the maintenance mode The LCD shows 2 Press the Start button Each time you press the Start button the LCD cycles through the displays shown at right The Status lamp also changes from orange red to green each time you press the Start button 3 Press the Stop Exit button in any process of the above display cycle The machine beeps for one second and returns to the initial stage of the maintenance mode TTT TTT TTT TT TTT iu PO 00000000000000000 Back red Back green Fig 7 5 7 12 8220 SERVICE MANUAL 3 7 Operational Check of Control Panel PCB Maintenance mode 13 Function This function allows you to check the control panel PCB for normal operation Operating Procedure gt 1 2 Press the 1 and 3 keys in this order in the initial stage of the maintenan
118. PTER 3 THEORY OF OPERATION 2 3 3 Paper eject After the printing image on the photosensitive drum is transferred onto the paper the paper is fed to the fixing unit to fix unfixed toner onto the paper Afterwards the paper is ejected from the fixing unit by the first eject roller in the fixing unit The paper eject actuator detects whether the paper is ejected correctly or not After the paper exits from the first eject roller the paper is turned by the rear cover and ejected face down into the top output tray through the second eject roller If the rear cover is open the paper is ejected face up straight to the printer rear straight paper path Second eject roller Rear cover Paper eject actuator 7 GA NN M X x X EN ton 2 N EN a ed VE 4 50 d Sy N ZAN SS mek 2 NI 7 7 A 7 J Nuls d NNI 7 A 7 TT eject roller Fig 3 23 8220 SERVICE MANUAL 2 4 Sensors 2 4 1 Document cover sensor Detect opening and closing of the front cover Document cover sensor 2 4 22 Toner sensors Detects if there is toner in the toner cartridge The toner sensor at the left side emits light through the window on the left side of the toner cartridge then the toner sensor at the right side receives it when the toner is low They also detect whether or not the drum un
119. Parts name Location Pcs Tightening torque N m Kgf cm 1 087310 815 Taptite cup B M3x8 E 0 588 40 098 6 1 Panel rear cover 3 2 087310 615 Taptite cup B M3x6 Spring plate front 1 0 392 0 098 4 1 4 70 8220 SERVICE MANUAL 7 LUBRICATION em T Gear 20 center F R m Idle gear 16A Gear 17 planetary Shaft idle gear 16 f PG4 i zm Gear 45 arm F R Lond gt e yf Gear 40 54Y 22 222 777 A 4 LW Idle gear 16A V 3 S Drive unit 22 Loz 7 Pendulum gear 22 SESS lt gt EU Pendulum gear 22 Fuser drive gear Gear 58 88 Gear 25 130 PG4 BG4 PG4 Molykote PG 662Y 4 mm dia ball BG4 Grease BG999 4 mm dia ball EM3 Molykote EM D110 3 mm dia ball 4 71 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY Eject roller ASSY EM4 Molykote EM D110 4 mm dia ball EM4 4 72 8 HARNESS ROUTING MFC 8220 SERVICE MANUAL 1 Toner sensor 2 Fan motor 60 unit Toner sensor PCB
120. ROM OK For Windows 98 98SE Me 2000 Users The Brother PC FAX Printer and Scanner drivers have been installed and the installation is now complete For Windows 95 NT Users The Brother PC FAX and Printer drivers have been installed and the installation is now complete 2 27 CHAPTER 2 INSTALLATION AND BASIC OPERATION 3 2 5 For USB Interface Cable Users For Mac OS 8 6 to 9 2 Users 1 Switch off and unplug the machine from the AC outlet and disconnect it from your Macintosh if you already connected an interface cable Turn on your Macintosh Insert the supplied CD ROM for Macintosh into your CD ROM drive Double click the Start Here icon to install the printer scanner and PC FAX Send drivers If the language screen appears select your language SER Click Install next to the MFL Pro Suite for your country 6 After the installation is completed restart your Macintosh 7 Connect the USB interface cable to your Macintosh and then connect it to the machine Caution Do not connect the machine to a USB port on a keyboard or a non powered USB hub 8 Plug the machine into the AC power outlet Turn the power switch on 9 From the Apple menu open the Chooser 10 Click the Brother Laser icon you installed On the right side of the Chooser select the printer to which you want to print Close the Chooser OK The Brother PC FAX Send Printer and Scanner drivers have been installed
121. ROUBLESHOOTING OF TELEPHONE FAX FUNCTIONS FAX transmission cannot be made Telephone call cannot be placed 1 Verify that the telephone cord is securely inserted Dialing mode 1 Dialing signal PB or DP Yes Check the dialing mode setting comes out normally in each setting at customer s again mode Check the telephone line Use telephone line emulator cord between machine and socket Connection 2 Main PCB and NCU PCB are No Fix the connection properly between main properly connected PCB and NCU PCB Harness 3 Harness wire is damaged Yes Replace the harness with a between main normal part PCB and NCU PCB Connection 4 Main PCB and control panel No Fix the connection properly between main PCB are properly connected PCB and control panel PCB Harness 5 Harness wire is damaged Yes Replace the harness with a between main normal part PCB and control panel PCB Connection of 6 FPC key is properly No Fix the connection properly FPC key connected FPC key 7 Replacement of FPC key Yes Replace the FPC key with a solves the problem normal part NCU PCB 8 Replacement of NCU PCB Yes Replace the NCU PCB with solves the problem a normal part Control panel 9 Replacement of control panel Yes Replace the control panel PCB PCB solves the problem PCB with a normal part Main PCB 10 Replacement of main PCB Yes Replace the main PCB with solves the problem a nor
122. S M3x8 Taptite screws and then remove the laser unit Taptite cup S M3x8 Laser unit Spongy ET X LD harness 5P j cu XO 22 2 2 Taptite cup S M3x8 Polygon motor harness 4 45 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 5 Remove the shutter arm C Shutter arm C Frame L 3 16 Main ASSY 1 Disconnect the LD harness 5P NOTE e After disconnecting flat cable s check that each cable is not damaged at its end or short circuited e When connecting flat cable s do not insert them at an angle After insertion check that the cables are not at an angle 2 Disconnect the four connectors Main PCB ASSY Thermistor connector LD harness 5P Main PCB ASSY LT LVPS connector Y Engine PCB connector 7 A 7 on oo Panel connector Fig 4 84 4 46 MFC 8220 SERVICE MANUAL 3 Remove the three pan M3x6 screws 4 Remove the five cup S M3x6 Taptite screws and then remove the main PCB ASSY Screw pan M3x6 Taptite cup S M3x6 Main PCB ASSY A Taptite cup S M3x6 amp Fig 4 85 NOTE After replacing the Main PCB please perf
123. SES E 2 5 Attaching the 220 e 2 6 3 1 2 Installing the 2 7 3 1 3 Installing the Drum Unit 2 7 3 1 4 Load Paper in the Paper 2 9 3 1 5 Installing the Power Cord and Phone 2 11 3 2 Installing the Driver amp nens 2 13 3 2 4 For USB Interface Cable Users For Windows 98 98SE Me 2000 Professional XP 2 13 8220 SERVICE MANUAL 3 2 2 For Parallel Interface Cable Users For Windows 95 98 98SE Me 2000 Professional XP esee 2 18 3 2 3 For Windows NT Workstation Version 4 0 Users 2 23 3 2 4 For Optional NC 9100h Network Interface Users For Windows 95 98 98SE Me NT 2000 Professional XP sse 2 25 3 2 5 For USB Interface Cable Users For Mac OS 8 6 to 9 2 2 28 3 2 6 For USB Interface Cable Users For Mac OS X 10 1 10 2 1 or greater Users 2 29 3 2 7 For Optional NC 9100h Network Interface Users For Mac OS 8 6 to 9 2 Users 2 30 3 2 8 For Optional NC 9100h Network Interface Users For Mac OS X 10 1 10 2 1 or greater Users iie eme o ERR 2 31 CHAPTER 3 THEORY OF OPERATIO
124. SSY disconnected or broken e Main Main motor does not synchronize with the Engine PCB reference clock Main motor 7B ASIC error on the main PCB 7 Engine error 80 Paper size setting error Paper size 81 Paper jam e Jammed paper 82 Paper feeding error e Paper pick up roller Paper jam e Front registration sensor 83 Registration sensor second registration e Main PCB sensor or manual feed sensor remaining ON 84 Paper jam Registration sensor actuator Paper eject sensor remaining ON Main 85 No paper tray loaded e Paper tray 86 No 2nd paper tray loaded e Paper tray 87 Main motor stop position error e Main motor Paper jam e Registration sensor actuator 88 Paper eject sensor remaining OFF even e Main PCB after regist sensor is turned OFF Main cover opened Main PCB e Scanner unit A2 Document too long to scan Document front sensor Document not detected by the document Document rear sensor rear sensor e Document sensor PCB e Document feed roller e ADF motor Main 4 Not used 50 or more of white level data is improper FAX transmission scan failure detected e CIS First attempt e Main FAX transmission scan failure detected A6 Second attempt AA Not used The document cover is not Remove the document and close the closed document cover 6 7 CHAPTER 6 TROUBLESHOOTING
125. Stop Exit button or no keys are pressed for one minute in the above procedure the machine stops the procedure and returns to the initial stage of the maintenance mode 7 22 8220 SERVICE MANUAL 3 15 Display of the Equipment s Log Information Maintenance mode 80 Function The equipment may display its log information on the LCD Operating Procedure gt 1 2 Press the 8 and 0 keys in this order in the initial stage of the maintenance mode The USB serial number appears on the LCD Press the Start button Each time the Start button is pressed one of the following log information items appears on the LCD in the order given below 1 Jam count indicating how many times a paper jam has been occurred 2 Page count indicating how many pages the photosensitive drum has been printed 3 Total page count indicating how many pages the equipment has been printed since produced 4 Drum count indicating how many times the photosensitive drum has been rotated 5 Drum change count indicating how many times drum replacement has been made 6 Toner change count indicating how many times toner replacement has been made 7 Copy page count indicating how many copies have been made 8 PC print page count indicating how many pages the equipment has been printed as an output device of the connected PC FAX page count indicating how many received FAX pages have been printed 10 Error code of the most recent
126. T a JA Solenoid release spring P R Taptite bind B M3x10 e P R solenoid lever P R solenoid ASSY Taptite bind B M3x1 Fig 4 112 20 Disconnect the connector from the document cover sensor 21 Remove the bind B M3x10 Taptite screw 22 Remove the toner LED PCB unit ASSY 23 Remove the sensor clip 24 Remove the document cover sensor from the frame L Document cover sensor 5 Frame L d Connector Sensor clip Toner LED PCB e 2 unit ASSY 1 zh Document cover Taptite bind B M3x10 P Sensor clip f Fig 4 113 4 62 MFC 8220 SERVICE MANUAL 3 23 Thermistor ASSY 1 Remove the thermistor ASSY Thermistor ASSY Fig 4 114 3 24 Fan Motor 60 Unit LV Fan Motor 60 Unit 1 Remove the fan motor 60 unit LV and the fan motor 60 unit Gi T p Main frame R unit Fan motor 60 unit GO VUE gt Fan motor 60 unit LV Fig 4 115 4 63 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 3 25 FrameR 1 Remove the four bind B 4 12 Taptite screws 2 3 Remove the two cup S M3x6 Taptite screws 4 Remove the cup S M3x16 Taptite screw Remove the main frame R unit Main frame R unit Taptite bind B 4 12 Under bar ON Taptite S M3x6 D ls Taptite bind B M4x12 Taptite cup S M3x16 i Taptite bind Under bar i B M4x12 Taptite cup S M3x6
127. TCHS WSW WSW14 AUTO ANS facility setting Frequency band selection Lower limit Frequency band selection Upper limit Fixed to once Fixed to 2 times Fixed to 3 times Fixed to 4 times 1 to 2 times 1 to 3 times 1 to 4 times 1 to 5 times 2 to 3 times 2 to 4 times 2 to 5 times 2 to 6 times 1 to 10 times 2 to 10 times 3 to 5 times 4 to 10 times ooo kot 1 2 3 4 5 No of rings in AUTO ANS mode 8 e Selectors 1 through 4 Frequency band selection These selectors are used to select the frequency band of calling signals for activating the AUTO ANS facility In the French versions if the user sets the PBX to OFF from the control panel the setting made by selectors 1 and 2 will take no effect and the frequency s lower limit will be fixed to 32 Hz Even if the setting made by these selectors does not apply it will be printed on the configuration list e Selectors 5 through 8 of rings in AUTO ANS mode These selectors set the number of rings to initiate the AUTO ANS facility A 20 8220 SERVICE MANUAL WSW15 REDIAL facility setting 5 minutes Selection of redial interval 1minute 2 minutes 3 minutes 16times 1 times No of redialings 2 times 3 times 15times 1 1 1 1 Redialing for no response sent um on ES from the called terminal 0 Redia
128. This setting is effective only when the 2nd dial tone detection function is activated by selectors 1 through 3 Setting 101 110 or 111 This function does not apply in those countries where no dial tone detection function is supported e Selector 7 of 2nd dial tone detection times This selector sets the number of dial tone detection times required for starting dialing e Selector 8 2nd dial tone interrupt detecting time This selector sets the allowable time length of an interrupt which should not be interpreted as an interrupt in the 2nd tone dialing 8220 SERVICE MANUAL WSW07 Dial tone setting 1 No 1 2 Frequency band range 00 Narrows by 10 Hz 0 1 Initial value 1 X Widens by 10 Hz No 2nd dial tone detection level Z 600 4 0 0 0 0 1 1 1 1 O O 0 1st dial tone interrupt detecting time wm E NOTE Selectors 1 2 4 through 7 are not applicable in those countries where no dial tone or line current detection is supported e g U S A e Selectors 1 and 2 Frequency band range These selectors set the frequency band for the 1st dial tone and the busy tone before dialing to be detected This setting is effective only when selectors 1 through of WSW05 are set to 1 1 1 e Selectors 4 through 6 2nd dial tone detection level These selectors set the detection level of the 2nd dial tone e Selector 7 151 dia
129. V LM2578001 1 Paper Feeding Kit See subsection 3 3 and LJ7920001 1 50 000 pages 3 24 in CHAPTER 4 Pad holder Paper pick up roller ASSY NOTE e The above table shows only estimated values They are subject to change without prior notice e The actual number of printed pages may vary depending on your average type of print job and paper These figures are based on 5 coverage per page e The part numbers listed above are as of February 2004 They are subject to change without notice 5 9 CHAPTER 5 PERIODIC MAINTENANCE 2 1 Fixing Unit Disassembly Procedure 1 Disconnect the power cord from the machine Machine gt M NS 47 K Fig 5 13 2 Close the front cover ASSY and pull out the paper tray Front cover ASSY Fig 5 14 5 10 MFC 8220 SERVICE MANUAL 3 Remove the bind B 4 12 Taptite screw and then remove the rear cover C Rear cover C i ind B 4 12 Taptite bin X Fig 5 15 4 Remove the outer chute Outer chute Fig 5 16 CHAPTER 5 PERIODIC MAINTENANCE 5 Remove the two bind B M4x12 Taptite screws and then remove the rear cover L 6 Remove the two bind B M4x12 Taptite screws and then remove the rear cover Taptite bind B 4 12 Hook Taptite bind B 4 12 Rear cover L Fi
130. Y Fig 4 40 4 23 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 9 Remove the ejection roller B4 from the ejection pinch roller Ejection pinch roller Ejection roller B4 Fig 4 41 10 Remove the pan S P washer M3x6 screw D 55 11 Release the hook by rotating the scanning motor and then remove the scanning motor Fig 4 42 4 24 Screw pan S P washer M3x6 Scanning motor 8220 SERVICE MANUAL 12 Release the hook and then remove the two document separation roller Fig 4 43 13 Remove the LF ground spring LF ground spring Um Fig 4 44 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 3 8 Outer Chute 1 Remove the outer chute Hook Outer Chute Fig 4 45 2 Remove the outer chute tray Outer Chute Outer chute tray Fig 4 46 4 26 8220 SERVICE MANUAL 3 9 Rear Cover L R 1 Remove the two bind B M4x12 Taptite screws and then remove the rear cover L 2 Remove the two bind B M4x12 Taptite screws and then remove the rear cover Taptite bind B 4 12 Taptite bind ow M4x12 Hook Taptite bind B 4 12 Rear cover L 4 27 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 3 10 Side Cover L R 1 Remove the three bind B M4x12 Taptite screws and then remove the side cover R Side cover R Taptite bind B 4 12 Taptite bind B 4 12 Taptite bin
131. a Hi Speed USB 2 0 certified cable if your computer uses a Hi Speed USB 2 0 interface e Even if your computer has a USB 1 1 interface you can connect the e meet FCC CISPR emission requirements for the you must attach the included filter core and cable tie to the parallel interface cable 2 9 Consumable Items Toner Cartridge Life TN 540 TN 3030 Standard toner cartridge Up to 3 500 pages Expectancy Drum Unit Life Expectancy TN 570 TN 3060 High yield toner cartridge Up to 6 700 pages when printing letter size or A4 paper at 5 print coverage NOTE Toner life expectancy will vary depending upon the type of average print job Up to 20 000 pages NOTE There are many factors that determine the actual drum life such as temperature humidity type of paper toner you use and number of pages per print job 1 4 2 10 2 11 2 11 1 Network Interface Protocol Control Update of Programs Supplied Software MFC 8220 SERVICE MANUAL 10 100 Base TX Ethernet automatic TCP IP RARP BOOTP DHCP APIPA NetBIOS WINS SSDP Rendezvous LPR LPD Port9100 POP3 SMTP SMB IPP FTP TELNET SNMP HTTP TFTP Netware IPX SPX Bindery and NDS Apple Talk DLC LLC Web Based Management HTTPD BRAdmin Professional TCP IP or IPX SPX is used SNMP Brother s original MIB in compliance with MIBII TELNET command console Web BRAdmin Flash ROM base Upgrade using TFTP FTP protocols is a
132. ace cable to the printer and then connect it to a free port on your hub Plug the machine into the AC power outlet Turn the power switch on Open the Chooser from the Apple menu Click the Brother Laser AT icon and then select BRN xxxxxx P1 Click Setup NOTE xxxxxx are the last six digits of the Ethernet adaress Click OK and then close the Chooser NOTE Network User s Guide Chapter 7 on the CD ROM The setup is now complete 2 30 8220 SERVICE MANUAL 3 2 8 For Optional NC 9100h Network Interface Users For Mac OS X 10 1 10 2 1 or greater Users 1 Make sure that the NC 9100h Network Print Fax Server is installed into the MFC See Optional accessories in Chapter 13 of the User s Guide 2 Turn off and unplug the machine from the AC outlet and disconnect it from your Macintosh if you already connected an interface cable Turn on your Macintosh Insert the supplied CD ROM for Macintosh into your CD ROM drive Double click the Start Here OSX folder to install the printer driver and Remote Setup program If the language screen appears select your language a a A 2 O Click Install next to the MFL Pro Suite for your country 7 Select Network Interface and then click Install 8 Connect the network interface cable to the printer and then connect it to a free port on your hub Plug the machine into the AC power outlet Turn the power switch on Sel
133. ace of the photosensitive drum Toner Cartridge Develops the electrostatic latent image on the photosensitive drum with toner and forms the visible image Print Process Charging The drum is charged to approximately 870V by an ion charge which is generated by the primary charger The charge is generated by ionization of the corona wire which has a DC bias from the high voltage power supply applied to it The flow of the ion charge is controlled by the grid to ensure it is distributed evenly on the drum surface The aluminum drum sleeve in the photosensitive drum is grounded Aluminum drum sleeve Photosensitive Organic photoconductor layer drum 870V Grid Voltage regulator HVPS Corona wire Fig 3 30 The primary charge uses a corona wire but since the drum is positively charged only less than 1 10 of the usual quantity of ozone is generated compared with the negatively charged drum The level of ozone expelled from the printer is therefore not harmful to the human body Applicable safety standards have been complied with 3 20 2 7 2 Exposure stage MFC 8220 SERVICE MANUAL After the drum is positively charged it is exposed to the light emitted from the laser unit Drum Paper Laser beam Laser detector Laser diode Motor Fig 3 31 Polygon mirror Laser beam The area exposed to the laser beam is the image to be printed The surface potential o
134. akes in the scanning compensation reference data 1 Press the 0 and 5 keys in this order in the initial stage of the maintenance mode The WHITE LEVEL 1 will appear on the LCD 2 The equipment prints out the scanning compensation data list containing the following 3 NOTE Dark output adjustment value Bright output adjustment value Light source adjustment value Black level MIN data Black level MAX data White level MIN data White level MAX data Background color compensated data Black level data White level data 1Byte 1Byte 1Byte 1Byte 1Byte 1Byte 1Byte 1Byte 2448Byte 2448Byte Upon completion of recording of the compensation data list the equipment returns to the initial stage of the maintenance mode If any data is abnormal its code will be printed in inline style as shown on the next page 7 5 CHAPTER 7 MAINTENANCE MODE 2u85 81 85 88 27 4SfT08e2 49f788e3 49779910 5gec7408 59ec7460 59ec6a 5 49fe 5le Ss 523555 9 60 400 18 1f 10 15 18 19 11 12 12 89 ia 17 13 18 12 Ed 59 7418 88 10 14 15 18 18 Eb 16 14 12 11 Bd 12 Bc 99 14 59 7428 Ge 19 11 19 16 13 16 15 BF Bf 11 14 13 14 19 593ec7438 18 12 12 15 98 18 14 Bc 12 Bf BF 15 1b 14 14 53 7440 14 14 Of 0d Ac 12 12 28 Bb 12 Bc 14 14 18 Be 59 7450 c 18 lc 88 Je 12 Uf 14 16 11 Bc Ad 13 1
135. al feed tray Re insert the paper firmly one sheet at a time Make sure that manual feed tray is selected in the printer driver The machine will not feed envelopes The machine can feed envelopes from the manual feed tray Your application software must be set up correctly to print on the envelope size you are using This is usually done in the page setup or document setup menu of your software Please see your software application manual A paper jam has occurred Clear the jammed paper Please refer to QSG The machine does not print into the top output tray Close the back output tray The machine does not feed paper from the lower tray properly Only when the lower tray which is optional is used Check if the lower tray is correctly connected to the machine Check if an appropriate tray is selected by the printer driver The Check original message is displayed although a document is set Check the sensors by using the maintenance mode function code 32 Refer to Chapter 7 Subsection 3 9 Check the document front sensor actuator and document rear sensor actuator Check the main PCB Document not fed Check the ADF and its related sections Check the ADF motor and its harness Check the document feed roller and its related gears Check the main PCB Document double feeding Check the ADF parts Document jam Check the ADF motor 3 2 3 2 1
136. al tone st No of 2nd dial tone detection times 2nd dial tone interrupt detecting APPENDIX 3 FIRMWARE SWITCHS WSW e Selectors 1 through 3 Pause button setting and 2nd dial tone detection Selectors 128 0 0 0 No WAIT is inserted even if the Pause button is pressed 0 0 1 If you press the Pause button during dialing the machine will insert WAIT 0 1 0 as defined in the above table 0 1 1 If the Pause button is pressed repeatedly the machine inserts the specified WAIT multiplied by the number of depressions It applies also in hook up dialing 1 0 1 When these selectors are set to 1 0 1 1 1 0 If you press the Pause button during dialing the machine will wait for the 11 2nd dial tone to be sent via the communications line When these selectors are set to 1 1 0 or 1 1 1 If you press the Pause button during dialing the machine will first wait for the 2nd dial tone to be sent via the communications line After that the machine will insert a WAIT of 3 5 seconds If no 2nd dial tone is received within the specified time length set by WSW08 the machine will disconnect the line if in automatic dialing or it will start transmitting the dial signal if given after depression of the Pause button in hook up dialing e Selectors 4 through 6 Detection of 2nd dial tone Upon detection of the 2nd dial tone for the time length specified by these selectors the machine starts dialing
137. allowable maximum transmission speed remains 21600 bps but the minimum transmission speed will be limited to 4800 bps Symbol rate Transmission speed Symbol rate Transmission speed Symbol rate Transmission speed bps bps bps 2400 2400 3000 4800 3429 4800 4800 7200 7200 7200 9600 9600 9600 12000 12000 12000 14400 14400 14400 16800 16800 16800 19200 19200 19200 21600 21600 21600 24000 24000 2800 4800 26400 28800 7200 28800 31200 9600 33600 12000 14400 16800 19200 21600 24000 26400 A 41 APPENDIX 3 FIRMWARE SWITCHS WSW WSW41 Function setting 19 16 hours 24 hours 12 hours 8 hours 4 hours 2 hours 10 minutes 0 minute 2 o ON duration of the fluorescent lamp built in the CIS unit Not used 1 0 0 0 0 1 1 1 1 O0 OON Broadcast report via e mail Modem attenuator NOTE WSW41 takes effect only in the V 34 mode e Selectors 1 through 3 are applicable only to models equipped with flat bed scanner e Selectors 1 through 3 ON duration of the fluorescent lamp built in the CIS unit Not used If the scanning operation is started when the fluorescent lamp is off then the lamp will come on for scanning These selectors determine how long the lamp will stay ON after scanning If these selectors are set to 1 1 1 the fluorescent lamp will go off after the scanning sequence e Selectors 5 through 8 Modem attenuator
138. and panel keys Connection 2 Main PCB and control panel No Fix the connection properly between main PCB are properly connected PCB and control panel PCB Harness 3 Harness wire is damaged Yes Replace the harness with a between main PCB and control normal part panel PCB Connection of 4 FPC key is properly No Fix the connection properly FPC key connected FPC key 5 Replacement of FPC key Yes Replace the FPC key with a solves the problem normal part Control panel 6 Replacement of control panel Yes Replace the control panel PCB PCB solves the problem PCB with a normal part Main PCB 7 Replacement of main PCB Yes Replace the main PCB with solves the problem a normal part L 3 Printing from Macintosh applications fails 1 Verify that the printer driver supplied with the printer has been installed in the system folder and selected in the selector 2 Check the port selected in the selector The selected port has to match the actual port to which the printer cable is connected Fault in machine Test page can be printed using the method described in 3 4 Test Pattern 1 in Chapter Check the symptom of the problem and refer to an appropriate section in this 7 Chapter to solve the problem Breakage of 2 Printing can be made using No Replace the main PCB main PCB an appropriate PC printer cable and RS 100M 6 25 CHAPTER 6 TROUBLESHOOTING 7 T
139. appears on the screen Replace the cable If the damage or Does test print complete same problem appears the machine will be damaged 8220 SERVICE MANUAL 7 This machine does appear Chooser with iMac and Power Macintosh G3 sed with USB 1 2 Check the USB interface cable is connected correctly 3 Check the machine is turned Check the printer driver is installed correctly Machine Select Apple System Profiler No Check the machine is turned connection in Apple Menu Are the on and the USB interface following items indicated in the cable is connected correctly USB box of the Device and Check that the USB cable Volumes tab used is the shielded twisted Product ID 0x16 pair type and 5 m or less Vender Brother International Try to connect the machine Corporation or 0 419 and PC with the USB cable directly Driver 2 Are there the following files in No Try to re install the printer installation the Extensions Folder of System Folder For System 8 6 or higher Yes BR PrintMoniter USB Brother Laser driver 5 4 This machine does not appear Chooser with iMac and Power Macintosh G3 G4 with USB 1 2 Check the USB interface cable is connected correctly 3 Turn off the machine and PC power switch and check all connections between them Then turn them on again Check the machine is turned on
140. aptite cup S M3x6 3 Remove the cup S M3x6 Taptite screw and then remove the NCU shield cover 4 Disconnect the two connectors of the NCU harness 5 Remove the two cup S M3x6 Taptite screws and then remove the NCU PCB ASSY Taptite cup S M3x6 NCU shield plate NCU harness NCU shield cover D Taptite cup S M3x6 Taptite cup S M3x6 NCU PCB ASSY Fig 4 62 4 35 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 3 14 Fixing Unit 1 Disconnect the heater harness and thermistor harness 2 Remove the bind B M4x12 Taptite screw and the shoulder screw and then remove the fixing unit Fixing unit Shoulder screw Heater harness x Taptite bind B M4x12 Thermistor harness Fig 4 63 3 Remove the three cup B M3x10 Taptite screws and then remove the FU front paper guide from the fixing unit Hint Regarding the proper mounting orientation of the FU front paper guide please refer to Fig 4 62 Be sure not to mount it upside down Fixing unit Taptite cup B M3x10 FU front paper guide 4 36 8220 SERVICE MANUAL 4 Remove the three cup B M3x10 Taptite screws and then remove the star wheel holder Fixing unit Pin Taptite cup M3x10 Star wheel holder Fig 4 65 5 Remove the cup B M3x12 Taptite screw 6 Release the thermistor ASSY harness from the four hooks 7
141. ase metal increases due to the higher melting point of the lead free solder and the base metal is heated to higher temperatures Consequently it takes time for the melted solder to cool and to solidify and therefore the soldered area must be left as it is after the soldering iron is removed for a longer period of time A localized ventilation system and gloves are required for soldering operations Lead free solder does not contain the toxic substance lead however inhalation of the fumes may adversely affect the health of workers The silver contained in lead free solder is also a toxic substance though it is not as toxic as lead and therefore a localized ventilation system and gloves are required for lead free solder soldering operations as required for those with conventional solder 4 68 MFC 8220 SERVICE MANUAL 6 Soldering irons When soldering is performed manually using lead free solder a soldering iron that has little reduction in its temperature needs to be used This refers to a soldering iron that has a smaller degree of decrease in the temperature at the soldering iron s tip such as when the soldering iron is applied to the base metal or solder is supplied and the temperature is soon returned to the specified temperature With soldering operations using lead free solder the requirement for the temperature of the soldering iron s tip is the same as that for conventional solder however the melting point of lead free so
142. ate 0 1 0 5 3 1 0 196 1 1 296 4 Decoding error rate for E transmission of RTN 6 7 Not used CBE Limitation of attenuation level 0 Yes 1 No NOTE Selector 8 is not applicable to the French versions Selector 1 Starting point of training check TCF At the training phase of receiving operation the called station detects for 1 0 second a training check TCF command a series of zeros which is sent from the calling station for 1 5 seconds to verify training and give the first indication of the acceptability of the line This selector sets the starting point from which the called station should start counting those zeros If this selector is set to 0 the called station starts counting zeros 100 ms after the head of a series of zeros is detected If it is set to 1 the called station starts counting zeros upon detection of 10 ms successive zeros 50 ms after the head of a series of zeros is detected In this case if the detection of 10 ms successive zeros is too late the data counting period will become less than 1 0 second making the called station judge the line condition unacceptable Selectors 2 and 3 Allowable training error rate The called station checks a series of zeros gathered in training as described in Selector 1 according to the allowable training error rate set by these selectors If the called station judges the line condition to be accepted it responds with CFR if not it responds with FTT Selectors 4 an
143. bps in order to deactivate the high speed modem function and reduce the training time for shorter transmission time WSW339 will be limited by selectors through 8 of WSW40 A 40 8220 SERVICE MANUAL WSWAO Function setting 18 Not masking Masking 3429 symbols sec 3 3200 symbols sec Masking of symbol rate s 3000 symbols sec 8 2800 symbols sec Not used 2400 symbols sec NOTE e WSWAO takes effect only in the V 34 mode e Selector 2 is applicable only to models equipped with a flat bed scanner e Selectors 3and 8 Masking of symbol rate s These selectors allow you to limit the transmission speed range in the V 34 mode by masking the desired symbol rate s Transmission speeds assigned to the symbol rates are listed below The setting made by these selectors will limit the setting made by selectors 1 through 4 of WSW39 If selector 3 is set to 1 to mask the 3429 symbols second when the first transmission speed choice is 33600 bps specified by selectors 1 through 4 of WSW39 for example the allowable maximum transmission speed will be limited to 31200 bps If selector 8 is set to 1 to mask the 2400 symbols second when the first transmission speed choice is 33600 bps then the allowable maximum transmission speed remains 33600 bps If selector 8 is set to 1 to mask the 2400 symbols second when the first transmission speed choice is 21600 bps specified by selectors 1 through 4 of WSW39 the
144. ce mode The 00 will appear on the LCD Press the keys and buttons in the order designated in the illustration shown below The LCD shows the corresponding number in decimal notation each time a key or button is pressed Check that the displayed number is correct by referring to the illustration below If a key or button is pressed out of order the machine beeps and displays the INVALID OPERATE on the LCD To return to the status ready to accept key amp button entry for operational check press the Stop Exit button After the last number key or button is pressed the machine beeps for one second and returns to the initial stage of the maintenance mode To terminate this operation press the Stop Exit button The machine returns to the initial stage of the maintenance mode MFC 8220 9 _ brother 8220 Clear Back Menu a Fax Enlarge Reduce Contrast ur s DOO 59 GHI x Quality Options Speed Dial e 06 0 C gt PQRS WXYZ Start Stop Exit Fig 7 6 7 13 CHAPTER 7 MAINTENANCE MODE 3 8 Receiver Volume Adjustment Maintenance mode 16 This is only for display not for adjustment Function When the handset volume is set to HIGH it is affected by various characteristics of the FET field effect transistor on the main PCB so the fine adjustments described below are required Meanwhile the LOW setting i
145. ce mode 11 Function The machine prints out the setting items and contents specified by the firmware switches Operating Procedure gt 1 Press the 1 key twice in the initial stage of the maintenance mode The PRINTING will appear on the LCD 2 The machine prints out the configuration list as shown in the figure below 3 Upon completion of printing the machine returns to the initial stage of the maintenance mode CONFIGURATION LIST 1 8 5 913 1 01 08 2005 19 36 U83112780858VER T 5 00 3084 800021000089 WSW25 00911010 1 4 NOT LISED 5 TIME BETWEEN PAGING NUMBERS 8 NOT USED WSW26 64410188 1 2 NOT USED 3 DIALING BEFORE SCANNING DONE 4 5 EXT CNG DETECTION 6 7 INT CNG DETECTION 8 NOT USED WSW27 80100001 Ta NOT USI 2 RINGER OFF SELECT 3 NOT USED 4 D R TIMES ONLY 5 8 NOT USED WSW28 ABAABBA 1 3 DTMF HIGH FREQ LEVEL ADJUST 4 6 DTMF LOW FREG LEVEL ADJUST 7 8 NOT USED WSW29 01101001 1 8 NOT USED 10800086 NOT USED HEATER CONTROL FOR FLICKER CLEAN DRUM DISPLAY 5 8 NOT USED 10100101 1 NOT USED REDUCTION LIMIT NOT USED D R CHATTERING USED CHANGE DRUM DISPLAY 61018088 NOT USED HOME POLLED RESOLUTION HOME POLLED CONTRAST 1480014 NOT USED POLLED REPORT USED 9001 000 NOT LISED DTMF DIGIT FOR CNG DETECTION OT USED 1 LISED DBOBOEO MODE ON DATA Rx PC POWER OFF RECOVER YES STR
146. ck the Run On Line Registration and then click Next 24 Click Finish to restart your computer 25 After the computer restarts click Yes to have the Control Center load each time Windows is started The Control Center will appear as an icon in the task tray If you click No the Scan key on the machine will be disabled NOTE Even if you select NO you will be able to launch the Brother Control Center later to use the Scan key by double clicking the Smart UI icon on the desktop This loads the Brother Control Center to the task tray See AutoLoad the Brother Control Center Chapter 4 in the Documentation Software User s Guide located on the CD ROM OK The Brother PC FAX Printer and Scanner drivers have been installed and the installation is now complete 2 14 8220 SERVICE MANUAL lt For Windows 2000 Professional Users Only gt Make sure that you followed the instructions in 1 to 16 on pages 2 13 to 2 14 17 When this screen appears connect the USB interface cable to your PC and then connect it to the machine Plug the machine into the AC power outlet Turn the power switch on It will take a few seconds for the installation screen to appear The installation of the Brother drivers will automatically start Follow the instructions on the screen 18 Ifthe Digital Signature Not Found dialog boxes appear click Yes to install the driver 19 The README file will be displayed Please read this file
147. ck the cabling network connection and print out a configuration page in the Network STATISTICS information to see if bytes are being transmitted and received C Check to see if there is any LED activity The NC 9100h print fax server has two LEDs on the back panel of the machine The upper side LED shows Link Speed status The lower side LED shows Activity Receive Transmit status e Nolight If the both of the two LEDs are off then the print fax server is not connected to the network e Link Speed LED is orange Fast Ethernet The Link Speed LED will be orange if the print fax server is connected to a 100BaseTX Fast Ethernet network e Link Speed LED is green 10BaseT Ethernet The Link Speed LED will blink if the print fax server is receiving or transmitting data 4 If you are using a repeater or hub make sure that SQE heartbeat is turned off at the hub if applicable Also if you have a hub or multi port repeater verify that the hub or repeater port is good by trying the print fax server on a different port or on the other hub or multi port repeater 5 If you have a bridge or router located between the print fax server and host computer make sure that the device is set up to allow the print fax server to send and receive data from the host For example a bridge can be set up to only allow certain types of Ethernet addresses to pass through a process known as filtering therefore such a bridge must be configure
148. cord to the machine and the other end to the handset 0 5 Canada only Fig 2 5 3 1 3 Installing the Drum Unit Assembly 1 Open the front cover by pressing the front cover release button Front cover release button 2 7 CHAPTER 2 INSTALLATION AND BASIC OPERATION 2 Unpack the drum unit assembly Remove the protective part Drum unit assembly Protective part Fig 2 7 3 Rock it from side to side several times to distribute the toner evenly inside the assembly Fig 2 8 4 Push the drum unit assembly into the machine until it snaps into place Fig 2 9 5 Close the front cover of the machine 2 8 8220 SERVICE MANUAL 3 1 4 Load Paper in the Paper Tray 1 Pull the paper tray completely out of the machine 2 While pressing the paper guide release lever slide the adjusters to fit the paper size Check that the guides are firmly in the slots on the tray Fig 2 12 NOTE For Legal size paper press the universal guide release button and pull out the rear of the paper tray Universal guide release button Fig 2 13 2 9 CHAPTER 2 INSTALLATION AND BASIC OPERATION 3 Fan the stack of paper well to avoid paper jams and misfeeds N Fig 2 14 4 Put paper in the paper tray Check that the paper is flat in the tray and below the maximum paper mark 5 Put the paper tray firmly back in the machine and unfo
149. cument hold ASSY Boss y SAL Hooks Control panel ASSY y N p R 3 ZX L 7 Fig 4 29 7 Remove the three cup 8 Taptite screws 8 Release the three hooks and then remove the paper feed chute Q Paper feed chute Taptite cup B M3x8 Control panel ASSY Fig 4 30 MFC 8220 SERVICE MANUAL 9 Remove the actuator F Paper feed chute Actuator F Fig 4 31 10 Release the lock of the connector remove the cable from the panel PCB ASSY and then remove the FPC key NOTE After disconnecting flat cable s check that each cable is not damaged at its end or short circuited When connecting flat cable s do not insert them at an angle After insertion check that the cables are not at an angle Cable Cable Control panel ASSY FPC key iD ar 4 S WS ce Panel PCB ASSY SS SS SR n a UN 62 277 N MESS Ce Fig 4 32 4 19 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY back light PCB ASSY NOTE 11 Release the lock and then disconnect the cable of the LCD and the connector of the After disconnecting flat cable s check that each cable is not damaged at its end or short circuited When connecting flat cable s do not insert them at an angle After insertion check that the cables are not at an angle the panel PCB ASSY Panel PCB ASSY
150. d 5 Decoding error rate for transmission of RTN The machine checks the actual decoding errors and then transmits an RTN according to the decoding error rate Number of lines containing an error per page Total number of lines per page set by these selectors Selector 8 Limitation of attenuation level Setting this selector to 0 limits the transmitting level of the modem to 10 dB This setting has priority over the settings selected by WSWO 2 selectors 5 through 8 and WSW 213 selectors 5 through 8 8220 SERVICE MANUAL WSW24 TAD setting 2 xime 1 _ Time length from CML ON to start of pseudo ring backtone transmission Not used e Selectors 3 and 4 Time length from CML ON to start of pseudo ring backtone transmission These selectors set the length of time from CML ON up to the start of pseudo ring backtone transmission WSW25 setting 3 Not used 4 Pause between paging number and PIN 5 0 0 0 0 1 1 1 1 Oo 0 0 o0N e Selectors 5 through 7 Pause between paging number and PIN These selectors set the pause time between a telephone number being paged and PIN private identification number for the paging feature A 29 APPENDIX 3 FIRMWARE SWITCHS WSW WSW26 Function setting 4 Dialing during document reading into the temporary memory in in Disabled 1 Enabled memory message transmission No of CNG cycles to be detected when the
151. d B 4 12 Fig 4 48 Taptite bind B 4 12 2 Remove the four bind B M4x12 Taptite screws and then remove the side cover L Side cover L Taptite bind B 4 12 Fig 4 49 4 28 8220 SERVICE MANUAL 3 41 Top Cover ASSY 1 Disconnect the four connectors Main PCB ASSY D Connector HS holder Connector CIS Connector Speaker Connector J Control panel LONE SS Fig 4 50 2 Release the hook and then remove the speaker hold spring and the speaker Speaker hold spring 1 Speaker Fig 4 51 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 3 Remove the two screws release the four hooks and then remove the top cover ASSY Screw hy Top cover ASSY Hook 4 Remove the two cup B M3x10 Taptite screws and two pins and then remove the handset holder ASSY Top cover ASSY Taptite cup B M3x10 Handset holder ASSY Fig 4 53 4 30 8220 SERVICE MANUAL 5 Release the four hooks and then remove the handset holder upper Handset holder upper Hooks Hooks Handset holder lower Fig 4 54
152. d time for time out 60 sec control for no response from the 55 sec for US and Canada called station in automatic 4140 sec sending mode 90 sec 35 sec 3 4 D 7 8 NOTE Selectors 1 through 6 are not applicable in those models which do not support ECM e Selector 1 Frame length selection Usually a single frame consists of 256 octets 1 octet 8 bits For communications lines with higher bit error rate however set selector 1 to 1 so that the machine can divide a message into 64 octet frames Remarks The error correction mode ECM is a facsimile transmission manner in which the machine divides a message into frames for transmission so that if any data error occurs on the transmission line the machine retransmits only those frames containing the error data e Selector 2 Use of non standard commands If this selector is set to 0 the machine may use non standard commands the machine s native mode commands e g NSF NSC and NSS for communications If it is set to 1 the machine will use standard commands only e Selectors 3 and 4 No of retries These selectors set the number of retries in each specified modem transmission speed e Selector5 5 timer This selector sets the time length for the T5 timer e Selector6 1 timer This selector sets the time length for the T1 timer e Selectors 7 and 8 Elapsed time for time out control If the machine receives no response no G3 command fr
153. d to allow Brother print fax server addresses Likewise a router can be set up to pass only certain protocols so be sure that the desired protocol can be passed through to the print fax server 6 Ifthe job exits the queue but does not print make sure that you are not trying to print text job to a PostScript printer If you have a machine that is capable of automatic language switching make sure that the machine is not forced into PostScript mode Intermittent Problem If the print fax server and machine start up OK but you intermittently have problems printing check the following 1 If you can print small jobs but large graphics jobs are distorted or incomplete make sure that you have adequate memory in your machine and the latest printer driver installed on your computer The latest Brother printer drivers can be downloaded from http solutions brother com 2 Check the individual protocol troubleshooting sections in this chapter for additional causes of intermittent machine problems 6 54 8220 SERVICE MANUAL 10 3 TCP IP Troubleshooting 10 4 If you are using TCP IP and cannot print to the print server and you have checked the hardware and network as described in the previous steps then check the following NOTE It is always a good idea to try the following in order to eliminate the possibility of setup errors Turning off the machine and then on again e Deleting and recreating the print fax server
154. digit in remote reception If selector 4 is set to 0 2 seconds for instance only a remote ID code whose second digit is detected within 2 seconds after detection of the first digit will become effective so as to activate the remote function A 10 8220 SERVICE MANUAL Selectors 5 and 6 Busy tone detection in automatic sending mode These selectors determine whether or not the machine automatically disconnects a line upon detection of a busy tone in automatic sending mode Setting selector 6 to 0 ignores a busy tone so that the machine does not disconnect the line Setting selectors 5 and 6 to 0 and 1 respectively makes the machine detect a busy tone only after dialing and disconnect the line Setting both of selectors 5 and 6 to 1 makes the machine detect a busy tone before and after dialing and then disconnect the line Selector 7 Busy tone detection in automatic receiving mode This selector determines whether or not the machine automatically disconnects a line upon detection of a busy tone in automatic receiving mode WSWO6 Pause button setting and 2nd dial tone detection Selector No Function Setting and Specifications No pause 3 5 sec WAIT 7 sec WAIT 10 5 sec WAIT Pause button setting and 2nd dial 14 sec WAIT tone detection 2nd dial tone detection only in pulse dialing DP system 2nd dial tone detection both in DP and push button PB dialing system z o A Detection of 2nd di
155. ding a commercially available DIMM NOTE This problem may appear if the data is too complex Unable to Check the memory size in Print Expand the memory size by recognize DIMM Configuration Is it the default adding DIMM Size If the memory is already at the maximum size it will be impossible to print the data under the machine specifications DIMM main Try installing DIMM into Replace the main PCB PCB failure another machine and then check the memory size in Print Settings Is it possible to print the data Replace the DIMM P 3 Headers or footers are not printed out even though they are viewed on PC screen Most laser machines a restricted area that cannot be printed on Usually the first two lines last two lines of text cannot print leaving 62 printable lines Adjust the top and bottom margins in your document to allow for this The machine sometimes prints a couple of characters and then ejects the page For DOS environment only The application machine emulation setting and the machine s emulation do not match Check in the application software which machine you have selected to make sure the machine is set up correctly Remember that the machine emulates widely used machine selections HP Laser Jet 6P Brother BR Script Level 3 Epson FX 850 IBM Proprinter XL Try setting the machine into HP emulation and then select the HP LaserJet 6P
156. dows Explore to run the setup exe program from the root directory of the Brother CD ROM 6 Click MFL Pro Suite in Main Application NOTE MFL Pro Suite includes Printer Driver Scanner Driver ScanSoft PaperPorf ScanSoff Text Bridge PC FAX software Remote Setup and True Type fonts PaperPort is adocument management application for viewing scanned documents ScanSoff TextBridge which is integrated into PaperPort is an OCR application that converts an image into text and inserts it into your default word processor 7 Click Install NOTE f you see the following screen click OK to install the Windows updates After the updates are installed your PC may restart f it does the installation will automatically continue Ifthe installation does not continue automatically please open the installer menu again by double clicking the setup exe program on the Brother CD ROM and continue from Step 5 8 When the PaperPort 8 0 SE Setup window is displayed click Next 9 After reading and accepting the ScanSoft License Agreement enter your user information and click Next e a Select Typical and click Next Click Install and PaperPort will start installing on your computer gt uxo s N Sm When the PaperPort 8 0 SE Registration screen is displayed make your selection and follow the on screen instructions 13 Click Finish to complete installat
157. e paper feed roller and the pick up roller Top of paper stopped at 50mm from the contact point of the heat roller and pressure roller Jam after paper is ejected Paper stuck Jam caused by paper length detected as longer than 400mm 16 in Jam caused by paper length detected as shorter than 80mm Jam caused by a paper feed delay Jam caused by the paper not being sensed when ejected from the paper eject sensor Jam caused by the paper not being sensed when ejected from the paper eject sensor The front regist sensor or paper eject sensor is turned on The front regist sensor is not returning properly and is not turning off The front regist sensor was turned off early Malfunction of actuator or hardware noise Paper was not fed in at the proper timing due to paper dust or wear of the rubber pick up roller The paper eject sensor is not working properly and has not turned off single printing The paper eject sensor or front regist sensor is not working properly and has not turned off continuous printing Remove the paper inside the machine If there is no paper check the suspect sensors referring to 8 9 Sensor Operational Check in Chapter 7 Check front regist sensor motion referring to 3 9 Sensor Operational Check in Chapter 7 Check the front regist sensor referring to 3 9 Sensor Operational Check in Chapter 7 Remove the paper dust attached t
158. e areas edge of recording paper by size are shown below Areas excluding the edge measurement from recording paper size are printable areas 1 1 2 3 2 3 4 4 A4 Letter B5 A5 A6 Post card 1 4 2mm 50 dots with the 300dpi mode 2 4 2mm 50 dots with the 300dpi mode 3 4 2mm 50 dots with the 300dpi mode 4 4 2mm 50 dots with the 300dpi mode 1 7 CHAPTER 1 GENERAL 2 13 Print Speeds with Various Settings Print speed of the machine is up to 18cpm when loading A4 size paper from the paper tray in the plain paper mode Actual print speed varies depending on the paper type or paper size as shown in the tables below Letter or A4 size gt Mode setting Print speed OHP 21cpm Letter 20cpm A4 Plain paper 21 Letter 20cpm 4 Rather thick plain paper Thin envelope 21cpm Letter 20cpm 4 Thick paper Post card Envelope 21cpm Letter 20cpm A4 Extra thick paper Bond paper Rather thick envelope 4cpm Smaller size than Letter or A4 gt Mode setting Print speed OHP 21cpm Letter 20cpm A4 Plain paper 21cpm Letter 20cpm A4 Rather thick plain paper Thin envelope 8cpm after 5 min have passed Thick paper Post card Envelope 8cpm after 30 sec have passed Extra thick paper Bond paper Rather thick envelope The print speed may vary according to conditions such as paper size and paper tray NOTE e When a smaller size paper than A4 size i
159. e of 3rd party toner or toner cartridges e Brother strongly recommends that you do not refill the toner cartridge provided with the machine We also strongly recommend that you continue to use only Genuine Brother Brand replacement toner cartridges Using or attempting to use potentially incompatible toner and or toner cartridges in the machine may cause damage to the machine itself and or it may result in unsatisfactory print quality e Make sure that the wire cleaner on the drum unit is returned to the home position mark position before re installing the drum unit into the machine or printed pages may have vertical stripes Hefer to Fig 5 12 e Install the toner cartridge immediately after you remove the protective cover Do not touch the development roller and photosensitive drum shaded as shown below NOTE It is recommended to clean the machine when you replace the toner cartridge Refer to subsection 3 PERIODICAL CLEANING in this Chapter 5 6 8220 SERVICE MANUAL lt Initialization of the Developing Bias If running the machine at a constant developing bias voltage because of the toner property the print density is light at the beginning and gradually increased as the printing is performed Toner property Actual control Dens ity Density Voltage Print density Voltage Print density Bias voltage Bias voltage Toner consumption Toner consumption To correct this pr
160. e up of six chapters and appendices CHAPTER 1 CHAPTER 2 CHAPTER 3 CHAPTER 4 CHAPTER 5 CHAPTER 6 CHAPTER 7 APPENDIX 1 APPENDIX 2 APPENDIX 3 APPENDIX 4 APPENDIX 5 GENERAL INSTALLATION AND BASIC OPERATION THEORY OF OPERATION DISASSEMBLY AND RE ASSEMBLY PERIODIC MAINTENANCE TROUBLESHOOTING MAINTENANCE MODE EEPROM CUSTOMIZING CODES INSTALLING THE UPDATE DATA FIRMWARE SWITCHS WSW CIRCUIT DIAGRAMS LOCATION TO ATTACH THE ADDITIONAL RIBS Information in this manual is subject to change due to improvement or redesign of the product All relevant information in such cases will be supplied in service information bulletins Technical Information A thorough understanding of this printer based on information in this service manual and service information bulletins is required for maintaining its print quality performance and for improving the practical ability to find the cause of problems TABLE OF 5 TABLE OF CONTENTS IM viii SAFETY INFORMA MON x CHAPTER A GENERAL rere ec eee eee eee eee 1 1 lo IIDILSIM 1 1 2 SPECIFICATIONS Oe rg rt pn mee 1 2 2 1 2 22 Environment of Installation 1 2 2 9 Diese tectap ise Idea 1 2 ZU MEG OB I 1 3 PRE T t EL T
161. ec WAIT 10 5 sec WAIT 14 0 sec WAIT 17 5 sec WAIT 21 0 sec WAIT 24 5 sec WAIT Detection Without WAIT 2 o 1st dial tone detection 1 0 0 0 0 1 1 1 1 00 00 No detection Detection only after dialing No detection Detection before and after dialing Busy tone detection in auto em _ Selectors 5 through 7 not applicable those countries where no busy tone detection is supported Busy tone detection in auto matic sending mode e Selectors 1 through 3 151 dial tone detection These selectors activate or deactivate the 1st dial tone detection function which detects the 1st dial tone issued from the PSTN when a line is connected to the PSTN Setting all of these selectors to 1 activates the dial tone detection function so that the machine starts dialing upon detection of a dial tone when a line is connected For the detecting conditions of the 1st dial tone refer to WSW07 and 5 08 Other setting combinations deactivate the dial tone detection function so that the machine starts dialing after the specified WAIT 3 5 7 0 10 5 14 0 17 5 21 0 or 24 5 seconds without detection of a dial tone when a line is connected to the PSTN e Selector 4 Max pause time allowable for remote ID code detection This selector sets the maximum pause time allowable for detecting the second digit of a remote ID code after detection of the first
162. eck the following system requirements to setup and operate the printer using Brother Printing Solution Computing System Processor Speed Minimum Recommended Available Operating System Version RAM RAM Hard Disk Space Windows 95 98 98SE 488 66 MHz 8MB 16MB 40MB Operating System T Workstation Pentium 75MHz 16 32MB 50MB 4 0 2090 Pentium 133MHz 64MB 128MB 50MB Professional Me Pentium 150MHz 32MB 64MB Pentium 300MHz 128MB 128MB 50MB Apple OS 8 6 to 9 2 All base models 32MB 64MB Macintosh meet minimum 50MB Operating OS X 10 1 to system 128MB 160MB System 10 2 1 requirements 2 2 8220 SERVICE MANUAL UNPACKING When unpacking the machine check to see that all of the following components are included in the carton MFC Quick Setup Guide CD ROMs For Windows 9 For Macintosh8 6 Paper Tray 7 ADF Document Support 8 Control Panel Cover 9 Face down Output Tray 10 Front Cover 11 Power Switch 1 Control Panel 2 Telephone Handset 3 ADF Document Output Support 4 Face down Output Tray Support Flap with Extension Support Flap 5 Manual Feed Tray Q User s Guide ADF Document Support Drum Unit Assembly Power Cord including Toner Cartridge ADF Document Output Support Telephone Handset U S A Canada only C Handset Curled Cord U S A Canada only Su
163. ect Applications from the Go menu Open the Print Center icon Click the Add Printer button Select AppleTalk Select BRN xxxxxx P1 and then click the Add button NOTE xxxxxx are the last six digits of the Ethernet address Network User s Guide Chapter 7 on the CD ROM 16 Select Quit Printer Center from the Printer Center menu OK The setup is now complete NOTE For users of Mac OS 10 2 2 or greater Please see Network User s Guide Chapter 7 on the CD ROM for information about using Rendezvous 2 31 CHAPTER 3 THEORY OF OPERATION 1 ELECTRONICS 1 1 General Block Diagram Fig 3 1 shows a general block diagram 22555 22S Bek BBS SiS MFC 8220 SERVICE MANUAL Control Centronics panel parallel interface USB interface Control Section Fax data Printer data Y Line Speaker Scanner unit Laser printing unit CIS unit Charging exposing Scanner motor developing transferring and heat fixing processes Electrical charger Laser unit including the polygon motor Laser sensitive drum Developer roller Transfer roller Heater roller Main motor Paper feeding mechanism Low and high voltage power supplies Provided on models supporting facsimile function Fig 3 1 3 1 CHAPTER 3 THEORY OF OPERATION 1 2 X Main Block Diagram Fig 3 2 shows the block diagram of the main PCB CPU Core INT
164. ed or broken Check also that the printer cable is connected to the correct interface connectors of both the machine and PC If an interface switching device is used remove it and connect the computer directly to the machine and try again Check that the appropriate printer driver is selected as Set as Default Check also that the correct print port is set for the selected printer driver Check that the machine is not connected to the same port which is also connected to a mass storage device or scanner Remove all other devices and connect the port to the machine only Turn off the printer status monitor in the device options tab in the printer driver If the print port is set as an ECP port change it to a normal port Try printing the test page referring to 3 4 Test Pattern 1 in Chapter 7 Try resetting the factory settings Failure inside Is it possible to print the test No Identify the error type then the machine page with the method of 3 4 refer to the specified section of Test Pattern 1 in Chapter 7 this chapter 6 51 CHAPTER 6 TROUBLESHOOTING Unable to print full pages of a document with the MEMORY FULL message 1 Menu and 2 8 6 and 4 keys pushed to show maintenance mode and then 5 3 keys pushed to transmit the data See 3 10 Chapter 7 2 Reduce the complexity of your document or reduce the machine resolution 3 Expand the printer memory by ad
165. ed to the UNIX TCP IP Windows NT LAN Server Windows 98 95 Me Peer to Peer LPR Internet Printing or Web Browser troubleshooting section Otherwise proceed to step 3 and then go to subsection 10 3 Troubleshooting If you are using Novell system e Verify that the machine server can be seen on the network To do this login as the SUPERVISOR not as someone with supervisor privileges or ADMIN for Netware 4 or later servers go into PCONSOLE or NWADMIN select PRINT FAX SERVER INFORMATION and select the name of the print fax server make sure that you have entered the print fax server name If you can see Print Fax Server Status and Control in the menu then the Brother print fax server is visible to the network proceed to subsection 10 11 Novell NetWare Troubleshooting Otherwise go to step 3 c If you are running AppleTalk for Macintosh In case of using Postscript driver make sure that you can see the print fax server name under the LaserWriter 8 icon in the Chooser If it is visible then the connection is good so proceed to subsection 10 12 AppleTalk Troubleshooting Otherwise go to step 3 If you use the Rendevous function please visit the Brother Solution Center web site on http solutions brother com 6 53 CHAPTER 6 TROUBLESHOOTING 10 2 3 If you cannot make any of the connections in step 2 check the following a Make sure the machine is powered on and on line b Che
166. ent accidentally flown from the machine This selector determines whether the machine should recover from the inactive PC interface to normal interfacing state upon receipt of data from the PC e Selector 3 PC power off recognition time This selector sets the time length from when the machine detects the PC powered off until it recognizes the detected state as power off If selector 2 is set to 0 it is recommended that selector 3 be set to 1 otherwise the machine may mistakenly detect PC powered off e Selector 5 Escape from phase C This selector determines whether or not the machine will escape from phase C when it detects an RTC Return to Control in non ECM mode or an RCP Return to Control Partial page in ECM mode e Selectors 6 through 8 Lower limit of frequency to be ignored after detection of calling signals Ci At the start of reception if the machine detects the frequency of calling signals Ci specified by selectors 1 through 4 of WSW14 it will start the ringer sounding When doing so the machine may fail to detect the calling signals normally due to noises superimposed at the time of reception To prevent it use selectors 6 through 8 of WSW36 If the machine detects higher frequencies than the lower limit specified by these selectors it will regard them as noise and interpret that detecting state as being normal allowing the ringer to keep sounding until the machine starts automatic reception of FAX data if i
167. er 15 20 mm 47 7 mm 29 97 mm 94 1 mm 250 9 5 Ls 20 8 0 6 31 CHAPTER 6 TROUBLESHOOTING 8 3 Troubleshooting Image Defect Several types of the image defects can be cleared by end users For those defects instruct the user to check the User Check items described in each table Even if the same image defect appears the following procedures should be followed in the event of specific image defects See also subsection 8 4 Location of Ground Contacts in this Chapter for information about the location of the grounding contacts caution When using the machine for a special job such as printing of name cards print quality cannot be guaranteed 1 1 Light User Check 1 Check the printer s environment Conditions such as humidity high temperatures etc may cause this situation to occur 2 If the whole page is light toner save mode may be on Disable toner save mode within Printer Properties tab of the driver 3 Try installing a new toner cartridge or drum unit Toner sensing 1 Can printing be started with the Check if the toner failure drum unit and toner cartridge machine side removed sensor is dirty and check the toner sensor connection Toner sensing The wiper of the toner failure toner cartridge side cartridge Drum 3 Are all the contacts between Clean contact 1 4 connection the drum unit and machine electrodes both on the SIT failure
168. er queue by going to PCONSOLE selecting PRINT QUEUE INFORMATION and then CURRENTLY ATTACHED SERVERS If the print fax server does not appear in the list of attached servers then check the following NOTE It is always a good idea to try followings in order to eliminate the possibility of setup errors e Turning off the machine and then on again to force to rescan the Netware queue e Deleting and recreating the print fax server and creating a new print queue in order to eliminate the possibility of setup errors 1 If you changed the login password you must change the password in both the Brother print fax server using the SET NETWARE PASSWORD command if you are using the BRConfig software or by using a web browser or the BRAdmin Professional utility and in the file server using the PCONSOLE Print Fax Server Information Change Password command 2 If you created the print queue using PCONSOLE and instead of BRAdmin Professional utility make sure that you have enabled at least one NetWare file server using the SET NETWARE SERVER servername ENABLED command 3 Have you exceeded your NetWare user limit 4 Make sure that the print fax server name you used in PCONSOLE exactly matches the name that is configured in the print fax server and make sure it is defined as a Queue Server for the print queue 5 If you are running both 802 3 and Ethernet Il frames on different file servers on your network there is a possibility that the p
169. es until paper loaded in the tray runs out unless the STOP Exit button is pressed When paper in the tray runs out Check Paper and Reload Paper are displayed When paper is loaded in the tray the machine returns to the initial stage of the maintenance mode When the front cover is opened during the paper feed and paper eject test error sound beeps and Cover Open and PIs Close Cover are displayed When the front cover is closed the machine returns to the initial stage of the maintenance mode 7 21 CHAPTER 7 MAINTENANCE MODE 3 14 EEPROM Customizing Maintenance mode 74 Function This function allows you to customize the EEPROM according to language function settings and firmware switch settings The customizing codes list is given in Appendix 1 NOTE If you replace the main PCB be sure to carry out this procedure Operating Procedure gt 1 2 Press the 7 and 4 keys in this order in the initial stage of the maintenance mode The current customizing code e g 9001 in the case of MFC8220 U S A version appears Enter the desired customizing code e g 9001 in the case of MFC8220 U S A version The newly entered code appears NOTE The machine does not work properly when an incorrect code is entered Press the Start button The machine saves the setting and appears the PARAMETER INIT on the LCD The machine returns to the initial stage of the maintenance mode If you press the
170. essage being sent to the machine was not in a TIFF F format All documents transmitted to the machine via e mail must be in a TIFF F format 2 error message is printed while receiving e mail text from a PC ATTACHED FILE FORMAT NOT SUPPORTED the senders mail application may not be set for a Plain Text format or Vcard the virtual business card feature may be set to ON 3 If the receivers mail system is not compatible with the MIME format you cannot transmit a document to the receiver Depending on the receiver s server there are some cases that the error mail will not be sent back 4 Message cannot be received in an HTML format This format is not supported All message must be received in a TIFF F Format 5 If the size of a documents image data is huge there is a possibility of unsuccessful transmission if the system administrator has imposed a limit on the maximum size of e mail and their attachments The document you are sending should be separated into smaller documents that will be accepted by the mail server Ex A 42 page document of the CCITT 1 test chart is approximately 1Mbyte in size If you do not receive e mail check the Auto Polling setting and Polling frequency O If you cannot retrieve mail from the mail server check the setting for the POP3 server and Mailbox name Check that the password is entered correctly This setting is case sensitive 3 8 If Relay Broadcast is
171. ets the recommended paper specifications A rough surfaced paper damp paper or thick media can cause the problem Dirt on the white 15 there any dirt on that Clean the white tape tape es 2 Check that the appropriate media type is selected in the printer driver 3 The problem may disappear by itself Try printing multiple pages to clear this problem especially if the machine has not been used for a long time 4 The drum unit may be damaged Install a new drum unit E Developing bias Are the developing bias Clean the electrodes contact failure contacts between the machine at both sides and toner cartridge dirty 6 39 CHAPTER 6 TROUBLESHOOTING 11 Possible cause Excessive paper load Rear registration sensor position incorrect Faulty registration Is the paper loaded in the paper tray more than 27mm high Is the specified weight of the recommended paper being used Is the first printing position within 1mm of the tolerance specification Is the rear registration sensor off from the correct position LP Result Toner sensor failure Fixing unit thermistor failure Low voltage power supply PCB failure Is thick paper of more than 158 g m being used Is the problem solved by replacing the drum unit or the toner cartridge Is the thermistor fitted correctly Is the problem solved by replacing the low voltage power supply PCB 6 40 Remedy
172. eys to make it appear 2 Make sure that the print fax server is configured to be in the same workgroup or domain as the rest of your computers It may take several minutes for the print fax server to appear in the network neighborhood Brother Internet Print TCP IP Troubleshooting 1 The first step in troubleshooting is to make sure that you have a valid E mail connection on both the sending PC and the receiving print fax server Try sending an E mail message from the PC to a user at the remote site who can receive mail via the POP3 server If this does not work there may be an E mail configuration problem on the PC on the local E mail server or on the remote POP3 server Double check to make sure that the E mail parameters that you configured on the PC and on the remote print fax server match those that are configured on the E mail servers 2 If you can print small files OK but are having problems printing large files the problem may be in the e mail system Some e mail systems have difficulties printing large files If the file does not reach its destination intact then the problem is with the E mail system 3 You can also enable the partial e mail print facility on your client PC this will split the e mail up into fragments which should then not overwhelm your e mail server To do this select the property dialog of the Brother Internet Print Port Windows 95 98 Me 2000 XP IPP Troubleshooting Want to use a different Port nu
173. f the exposed area is reduced forming the electrostatic image to be printed 1 Cycle of drum 0 06 6 Surface potential V 870 400 150 sleeve 0 2 Fig 3 32 3 21 OQ Primary charging 2 Laser beam exposure and developing a Unexposed area Non image area b Exposed area Image area 9 Transfer the image to paper CHAPTER 3 THEORY OF OPERATION 2 7 3 2 7 4 Developing Developing causes the toner to be attracted to the electrostatic image on the drum so as to transform it into a visible image The developer consists of a non magnetic toner The development roller is made of conductive rubber and the supply roller which is also made of conductive sponge rotate against each other The toner is charged and carried from the supply roller to the development roller The toner adheres to the development roller and is conveyed to the photosensitive drum at an even thickness controlled by the blade The toner is nipped between the development roller and the drum and developed onto the latent image on the drum The electrostatic field between the drum and the development roller which is DC biased from the high voltage power supply creates the electrostatic potential to attract toner particles from the development roller to the latent image area on the drum surface Development roller Corona wire Photosensitive drum Blade Transfer roller Sup
174. f the test page until the scattering of toner stops caution After you have just used the machine some internal parts of the machine are extremely hot Wait for the machine to cool down before you touch the internal parts of the machine Fig 6 6 6 Release the jam clear cover and take out the jammed paper Jam clear cover CHAPTER 6 TROUBLESHOOTING 7 Close the jam clear cover Close the back output tray 8 Push the lock lever down and take the toner cartridge out of the drum unit Take out the jammed paper if there is any inside the drum unit Fig 6 8 9 Install the toner cartridge on the drum unit and then install the drum unit on the machine 10 Put the paper tray in the machine 11 the front cover 6 14 8220 SERVICE MANUAL 3 3 2 Causes amp countermeasures The causes for paper jam problems vary depending on the location of the paper jam When a paper jam occurs inside the machine you have to find the location of the paper jam first remove the jammed paper and then take the appropriate countermeasure referring to the table below Problem Type of Jam Cause Remedy Jam when the machine is turned on Top of paper stopped at 350mm from the second exit roller Next paper is not fed Bottom of paper stopped around the transfer roller Top of paper stopped between th
175. f with cold water immediately Discard the used drum unit according to local regulations keeping it separate from domestic waste If you have questions call your local waste disposal office Be sure to seal up the drum unit tightly so that toner powder does not spill out of the unit Do not reset the drum counter when replacing the toner cartridge only Do not turn off the drum lamp until the drum counter is reset It is recommended to clean the machine when you replace the drum unit Refer to subsection 3 PERIODICAL CLEANING in this Chapter 5 3 CHAPTER 5 PERIODIC MAINTENANCE 1 2 Toner Cartridge Life expectancy 6 500 pages high yield toner cartridge 3 300 pages standard cartridge When printing A4 size paper at 596 print coverage NOTE e The life of a new toner cartridge varies according to a print coverage ratio and a print job In the case of single sided printing of typical business documents at 5 print coverage on A4 size paper up to 3 300 pages standard cartridge or 6 500 pages high yield toner cartridge can be printed e The amount of toner used varies according to what is printed on the page and the print density setting e The more that is printed the more toner will be used e Ifyou change the print density setting for lighter or darker printing the amount of toner that is used will change e Wait to unpack the toner cartridge until immediately before you install it in the machine
176. failure replacing the toner cartridge Drum unit failure 15 the problem solved after Replace the drum unit replacing the drum unit No Replace the high voltage power supply PCB NOTE The following cases increase the possibility of this problem Acid paper is being used e The drum unit is at the end of its life e There is dust or paper powder 6 46 8220 SERVICE MANUAL 19 Hollow print 1 Check the paper used meets the recommended paper specifications 2 Select the Thick paper mode in the printer driver or use thinner paper than you are currently using 3 Check the machine s environment conditions such as high humidity may cause this situation to occur e Paper 1 Is thick paper of more than 158 Y Recommend to use the g m being used or extremely specified types of paper rough surface paper Refer and compare with 1 15 1 20 Downward fogging of solid black m Toner cartridge 1 Is the problem solved after Yes Replace the toner cartridge failure replacing the toner cartridge es High voltage 2 Is the problem solved after Y Replace the high voltage power power supply replacing the high voltage supply PCB PCB failure power supply PCB 6 47 CHAPTER 6 TROUBLESHOOTING 1 21 Horizontal lines 1 N Paper tray Are the ground contacts on the Clean the electrodes connection back of the paper tray failure connecting co
177. fessional Users Only gt Make sure that you followed the instructions in 1 to 16 on pages 2 18 to 2 19 17 When this screen appears connect the parallel interface cable to your PC and then connect it to the machine Plug the machine into the AC power outlet Turn the power switch on Caution Do not plug the power cord before connecting the parallel interface cable It may cause damage to your machine 18 Click the Next 19 The README file will be displayed Please read this file for troubleshooting information and then close the file to continue installation 20 Check the Run On Line Registration and then click Next 21 Click Finish to restart your computer 22 After the computer restarts the installation of the Brother drivers will automatically start Follow the instructions on the screen 23 If the Digital Signature Not Found dialog boxes appear click Yes to install the driver 24 Click Yes to have the Control Center loaded each time Windows is started The Control Center will appear as an icon in the task tray If you click No the Scan key on the machine will be disabled NOTE Even if you select NO you will be able to launch the Brother Control Center later to use the Scan key by double clicking the Smart UI icon on the desktop This loads the Brother Control Center to the task tray See AutoLoad the Brother Control Center Chapter 4 in the Documentation Software User s Guide located on
178. g 5 17 7 Remove the two cup S M3x6 Taptite screws and then remove the NCU unit Fig 5 18 5 12 MFC 8220 SERVICE MANUAL 8 Disconnect the heater harness and thermistor harness 9 Remove the bind B M4x12 Taptite screw and the shoulder screw and then remove the fixing unit Fixing unit Heater harness Taptite bind B 4 12 Thermistor harness Fig 5 19 5 13 CHAPTER 5 PERIODIC MAINTENANCE Assembly Procedure 1 Mount the fixing unit using the bind B M4x12 Taptite screw and the shoulder screw 2 Insert the heater harness and the thermistor harness Fixing unit Shoulder screw Heater harness Taptite bind B 4 12 Thermistor harness Fig 5 20 3 Mount the NCU unit using the two cup S M3x6 Taptite screws NCU unit j Taptite cup S M3x6 IS al Fig 5 21 CN 2 S3 MFC 8220 SERVICE MANUAL Mount the rear cover L using the two bind B M4x12 Taptite screws 4 5 Mount the rear cover R using the two bind 4 12 screws Rear cover L Taptite bind B 4 12 Rear cover R Taptite bind B 4 12 Taptite bind B 4 12 Fig 5 22 Mount the outer chute 6 Hook Outer chute Fig 5 23 5 15 W C using the bind B 4 12 Taptite scre Mount the rear cover 7
179. g and Play printer selection and then click Next 23 Select USBXXX from the pull down window for the Printer Port Selection and then click Next 24 Click on Have Disk 25 Browse the CD ROM and highlight your language folder and click Open Highlight the WXP folder and click Open Highlight the Addprt folder and click Open 26 Click Open 27 Make sure X ENG W2K Addprt is displayed in the window and click OK is the drive letter of your CD ROM 28 Highlight the model you are installing from the list of machines and click Next NOTE Make sure you select a USB printer 29 The model you are installing will be listed in the window Select Yes or No if you want this driver to be your default printer and then click Next If this screen appears select Do not share this printer and Next Select Yes and Next to print a test page When this screen appears click Finish When this screen appears click Continue Anyway NOTE There will be two Brother printer drivers listed in the Printers selection The driver with Printer after the model name ex Brother MFC 8220 Printer is the Brother Native Driver OK The Brother Native Drivers have been installed and the installation is now complete CHAPTER 2 INSTALLATION AND BASIC OPERATION 3 2 2 For Parallel Interface Cable Users Windows 95 98 98SE Me 2000 Professional XP 1 2 Switch off and unplug the machine from the AC outlet and di
180. g the toner cartridge cartridge with a new one Toner cartridge Is the problem solved after Replace the toner High voltage Is the connections of the Replace the high power supply connector between the high voltage power supply PCB failure voltage power supply PCB and the engine PCB secured correctly Main PCB failure Engine PCB failure 6 33 CHAPTER 6 TROUBLESHOOTING 3 Completely blank 1 Check for the setting of originals Developing bias 1 Are the developing bias Yes Clean the electrodes contact failure contacts between the machine at both sides body and drum unit dirty Drum unit 2 Are the drum shaft and drum Clean the shaft and electrode of the machine the electrode connected correctly No Check the connection between the shaft and the electrode Drum unit failure 3 Is the problem solved after Yes Replace the drum replacing the drum unit unit Toner cartridge 4 Is the problem solved after Yes Replace the toner failure replacing the toner cartridge cartridge with a new one Scanner harness connection failure failure to the laser unit PCB Is the problem solved after Main PCB Are printing signals being input Replace the main 5 replacing the main PCB Laser unit failure 7 Is the scanner interlock lever Yes Replace the laser unit damaged Is the scanner mirror broken or No Replace the high loose voltage power supply 8 Is the problem occ
181. he Stop Exit button and the machine returns to the initial stage of the maintenance mode 7 14 3 9 Function gt MFC 8220 SERVICE MANUAL Sensor Operational Check Maintenance mode 32 This function allows you to check whether the 14 sensors document front sensor document rear sensor cover sensor hook sensor toner sensor regist front sensor regist rear sensor cassette sensor tray 1 paper sensor tray 2 paper sensor 2nd cassette sensor 2nd regist sensor fixing sensor and paper eject sensor operate correctly These sensors are provided for models supporting a 2nd paper tray Operating Procedure gt 1 Press the 3 and 2 keys in this order in the initial stage of the maintenance mode The machine beeps 1100 Hz and 400 Hz tones cyclically through the following volumes for testing the speaker To stop beeping press the Menu button 400 2 Low Medium High OFF 1100 2 High lt Medium Low Fig 7 10 If the sensing status are as listed below the LCD will show the following DFDRCVHK and TNMNRSCSP1P2C2R2 PU PO which be switched by pressing the Start button for machines Given below is the relationship between the LCD indication sensor names and sensor status LCD Sensors Sensing status DF Document front sensor No document detected DR Document rear sensor No document detected CV Cover sensor Front cover closed HK
182. he receive mode to External TAD For more details see Connecting the MFC in Chapter 1 of the User s Guide LH 3 2 3 2 1 MFC 8220 SERVICE MANUAL Installing the Driver amp Software For USB Interface Cable Users For Windows 98 98SE Me 2000 Professional XP 1 2 13 Switch off and unplug the machine from the outlet and disconnect it from your computer if you already connected an interface cable Turn on your computer For Windows 2000 Professional XP you must be logged on as the administrator Insert the supplied CD ROM for Windows into your CD ROM drive If the model name Screen appears select your machine If the language screen appears select your language The CD ROM main menu will appear Click Install Software NOTE If this window does not appear use Windows Explore to run the setup exe program from the root directory of the Brother CD ROM Click MFL Pro Suite in Main Application NOTE MFL Pro Suite includes Printer Driver Scanner Driver ScanSoft PaperPort i ScanSoff Text Bridge PC FAX software Remote Setup and True Type fonts PaperPort is adocument management application for viewing scanned documents e ScanSoft TextBridge which is integrated into PaperPorf is an OCR application that converts an image into text and inserts it into your default word processor Click Install NOTE e If you see the fo
183. hen replacing the drum unit or toner cartridge with a new one be sure to clean the drum unit 1 Turn off the power switch and unplug the power cord 2 Press the front cover release button and then open the front cover 3 Pull out the drum unit caution It is recommended to place the drum unit on a piece of disposable paper or cloth in case you accidentally spill or scatter toner 4 Clean the primary corona wire inside the drum unit by gently sliding the blue tab from right to left several times Return the tab to the home position before re install the drum unit Home position caution Make sure that the blue tab on the drum unit is returned to the home position 4 mark position before re installing the drum unit into the machine or printed pages may have vertical stripes 5 Re install the drum unit into the machine 6 Close the front cover Cleaning the Scanner Window When replacing the drum unit or toner cartridge with a new one be sure to clean the scanner window 1 Turn off the power switch and unplug the power cord 2 Press the front cover release button and then open the front cover 3 Pull the drum unit out of the machine caution It is recommended to place the drum unit on a piece of disposable paper or cloth in case you accidentally spill or scatter toner 5 23 CHAPTER 5 PERIODIC MAINTENANCE 4 Gently wipe the scanner window with a soft dry cloth F
184. ig 5 37 5 Re install the drum unit into the machine Close the front cover 6 Plug in the power cord and then turn on the power switch caution Handle the drum unit carefully since it contains toner If toner scatters and your hands or cloths get dirty immediately wipe or wash it off with cold water Do not touch the scanner window with your fingers Do not wipe the scanner window with isopropyl alcohol 3 5 Cleaning the Electrical Terminals To obtain the best print performance be sure to clean the electrical terminals inside the machine 1 Turn off the power switch and unplug the power cord 2 Remove the drum unit from the machine 3 Wipe the electrical terminals as shown in the figure below with a soft dry cloth Fig 5 38 5 24 MFC 8220 SERVICE MANUAL 4 MTBF MTTR The meantime between failure MTBF and the meantime to repair MTTR for this machine are as follows MTBF Up to 4 000 hours MTTR Average 30 minutes except the periodical maintenance parts the Paper Feeding Kit and the machine control boards whose MTTR is average 10 minutes 5 25 8220 SERVICE MANUAL CHAPTER 6 TROUBLESHOOTING 1 INTRODUCTION 1 1 Initial Check 1 3 Operating environment Check if e The source voltage stays within 10 from the rated voltage shown on the rating plate e The machine is installed on a solid level surface
185. in a box following LF if produced by silk screen printing or follows LF without a box on an attached label the digit indicating the metal composition and wire solder 4 67 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 5 Precautions for hand soldering operations 1 Soldering operations using lead free solder are basically the same as those using tin lead solder however due to the lead free solder s characteristics of being difficult to melt wet and spread as well as being hard a soldering iron needs to be applied for a longer period of time than when soldering with conventional tin lead solder While soldering is being performed it must be confirmed that the lead free solder is spreading When solder needs to be added when repairing PCBs the solder must only be added after sufficiently melting the previously soldered area When poor soldering is repaired the solder of the poorly soldered area must be sufficiently removed and lead free solder newly supplied Before starting soldering operations it must be determined whether or not the PCB has an LF indication If the PCB has an LF indication lead free solder corresponding to the digit following LF must be used Conventional solder including lead tin lead solder must not be used on a PCB that has an LF indication Use of tin lead solder on a PCB having an LF indication is prohibited A soldering iron for exclusive use with lead free solder must only be used a soldering ir
186. ine Machine Power cord Drum Unit 1 Open the front cover ASSY and remove the drum unit N Drum unit Front cover ASSY Fig 4 2 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 3 3 Paper Tray 1 Close the front cover ASSY and pull out the paper tray 2 Remove the paper from the paper tray p s N Front cover ASSY 1 Paper tray Fig 4 3 3 Remove the pad holder and the separation pad spring from the paper tray Pad holder Paper tray N e Vi gt ARN Separation pad spring REN SOS A W Fig 4 4 MFC 8220 SERVICE MANUAL NOTE When replacing re assembling the pad holder ZL2 ASSY remove the old grease and apply a suitable amount of grease referring to the figure below Paper pick up roller Grease Molykote PG 662Y 4 mm dia ball Paper tray 4 Remove the four bind B 4 12 Taptite screws and then remove the paper tray front cover Paper tray Taptite bind B 4 12 Hook Taptite bind B 4 12 Paper tray front cover Fig 4 6 4 5 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY b Remove the two cup B M3x10 Taptite screws and then remove the paper tray cover Paper tray Taptite cup B M3x10 Taptite cup B M3x10 Fig 4 7 6 Remove the pressure roller holder ASSY Pressure roller holder ASSY Paper tray Flat screwdriver Fig 4 8 4 6
187. ing in the user s machine Operating Procedure gt 1 If the user s machine has a transmission related problem call the user s machine at a remote location from your machine 2 Ifthe line is connected have the user perform the following 1 Hook up to the external phone 2 Press the Menu button Enlarge Reduce button and 0 keys in this order 3 Press the 8 and 7 keys The above operation makes the user s machine send CNG to your machine for sending the transmission log 3 If you hear the CNG sent from the user s machine press the Start button of your machine Your machine will start to receive the transmission log from the user s machine 7 25 CHAPTER 7 MAINTENANCE MODE 3 48 Cancellation of the Memory Security Mode Not applicable to the Japanese version Function This procedure can cancel the memory security mode Use this procedure if the user forgets his her password entered when setting the memory security mode so as not to exit from the memory security mode NOTE Carrying out this procedure will lose passwords previously entered but retain FAX messages received in the memory security mode Operating Procedure gt 1 When the SECURE MODE is displayed on the LCD hold down the Menu button and press the key Within two seconds start to press the 2 7 9 0 and 0 keys The memory security mode will be canceled and the machine returns to the calendar clock screen 7 26
188. ing screen appears click Finish and wait as the PC restarts Windows and continues the installation 2 21 CHAPTER 2 INSTALLATION AND BASIC OPERATION OK A Basic Universal printer driver was installed with the MFL PRO Software Suite which is certified for use with Windows operating systems Brother also offers a fully featured printer driver Native driver that includes more features than the Basic Universal driver However this driver does not include a Windows certificate To install the Brother Native driver proceed to step 21 NOTE For details on what features are available see chapter 2 of the Software User s Guide Brother Native driver Installation 21 Click Start and select Printers and Faxes Click on Add a printer and the Add Printer Wizard will start When this screen appears click Next 22 Un check the Automatically detect and install my Plug and Play printer selection and then click Next 23 Select BMFC Brother MFL Port from the pull down window for the Printer Port Selection and then click Next 24 Click on Have Disk 25 Browse the CD ROM and highlight your language folder and click Open Highlight the WXP folder and click Open Highlight the Addprt folder and click Open 26 Click Open 27 Make sure X ENGW2K Addprt is displayed in the window and click OK X is the drive letter of your CD ROM 28 Highlight the model you are installing from the list of machines and click Next
189. initialized Outside line number Telephone function registration These will not be initialized One touch dialing Speed dialing Group dialing NOTE If you replace the main PCB with one used for any other machine carry out this procedure and then customize the EEPROM maintenance mode function code 74 in Subsection 3 14 lt Operating Procedure gt 1 Press the 0 and 1 keys or the 9 and 1 keys according to your need in this order in the initial stage of the maintenance mode The PARAMETER INIT will appear on the LCD 2 Upon completion of parameter initialization the machine returns to the initial stage of the maintenance mode 3 Be sure to turn the machine power off If you press the 9 key twice to exit from the maintenance mode without turning the power off then the machine will not fully initialize the EEPROM 7 4 8220 SERVICE MANUAL 3 2 Printout of Scanning Compensation Data Maintenance mode 05 Function The equipment prints out the white and black level data for scanning compensation Operating Procedure gt Do not start this function merely after powering on the equipment but start it after carrying out a sequence of scanning operation Unless the equipment has carried out any scanning operation this function cannot print out correct scanning compensation data This is because at the start of scanning operation the equipment initializes white and black level data and t
190. ion 2 23 CHAPTER 2 INSTALLATION AND BASIC OPERATION 14 When the Brother MFL Pro Suite Installation window appears click Next 18 To 2 OK NOTE If an error message appears at this point in the installation process or you have previously installed MFL Pro Suite you will first have to uninstall it From the Start menu select Programs Brother Brother MFL Pro Suite Uninstall and then follow the instructions on the screen When the Brother Software License Agreement window appears click Yes If you agree to it and go to next screen Select Local Interface and then click Next When the Setup Type window appears select Standard and then click Next NOTE If you want to install the PS Brother PostScripf driver select Custom and then follow the on screen instructions When the Select Components screen appears check PS Printer Driver and then continue following the on screen instructions The README file will be displayed Please read this file for troubleshooting information and then close the file to continue installation Check the Run On Line Registration and then click Next Click Finish to restart your computer After the computer restarts click Yes to have the Control Center load each time Windows is started The Control Center will appear as an icon in the task tray If you click No the Scan key on the machine will be disabled NOTE Even if you select NO
191. is selector is set to 1 when the short OFF duration is a minimum of 90 ms long then the machine will interpret the short OFF as OFF e Selector 8 CHANGE DRUM SOON message This selector determines whether or not the CHANGE DRUM SOON message should appear on the LCD when the service life of the laser sensitive drum in the laser unit will expire soon A 34 8220 SERVICE MANUAL WSW32 Function setting 10 SIL Function Setting and Specifications 1 Not used 4 5 6 7 8 e Selectors 5 and 6 Default resolution Standard Fine Super fine Photo Default resolution No Automatic Super light Super dark Default contrast These selectors set the default resolution which applies when the machine is powered up completes a transaction e Selectors 7 and 8 Default contrast These selectors set the default contrast which applies when the machine is powered up or completes a transaction WSW33 Function setting 11 Function Setting and Specifications Not used Report output of polled trans mission requests Di NES Te ME Not used 1 5 7 8 Selector 6 is not applicable to American versions A 35 APPENDIX 3 FIRMWARE SWITCHS WSW WSW34 Function setting 12 i Number of DTMF tone signals for inhibiting the detection of CNG during external TAD operation E ERR Selectors 4 5 are not
192. it From the Start menu select Programs Brother Brother MFL Pro Suite Uninstall and then follow the instructions on the screen 2 25 CHAPTER 2 INSTALLATION AND BASIC OPERATION 15 When the Brother Software License Agreement window appears click Yes 16 Select Network Interface and then click Next 17 Select Standard and then click Next The application files will be copied to your computer NOTE If you want to install the PS Brother PostScript driver select Custom and then follow the on screen instructions When the Select Components screen appears check PS Printer Driver and then continue following the on screen instructions 18 Select Search the network for devices and choose from a list of discovered devices Recommended and then click Next NOTE If you see the following screen click OK 19 If the machine is un configured for your network Select the APIPA or un configured device from the list and then click Next Go to 20 If the machine is configured for your network Select the machine from the list and then click Next Go to 23 20 Click Configure IP Address 21 Enter the proper IP Address information for your network and then click OK e g Enter 192 168 0 105 for IP Address 22 Click Next NOTE See the For Administrator section of this guide or the NC 9100h User s Guide located on the CD ROM for more network configuration information Windows 98 98SE Me 2000 XP Users Go
193. it Printer Center from the Printer Center menu The Brother Printer driver Scanner driver Brother PC FAX Send and Remote Setup Program have been installed and the installation is now complete 16 OK To install Presto PageManager click Install next to the Presto PageManager icon and follow on the Screen instructions NOTE You can easily scan share and organize photos and documents using Presto PageManager Presto has been installed and the installation is now complete 2 29 CHAPTER 2 INSTALLATION AND BASIC OPERATION 3 2 7 For Optional NC 9100h Network Interface Users For Mac OS 8 6 to 9 2 Users 1 gt a A TS 2 LS N LYS HS na gt o lt wm 12 OK Make sure that the NC 9100h Network Print Fax Server is installed into the MFC See Optional accessories in Chapter 13 of the User s Guide Turn off and unplug the machine from the AC outlet and disconnect it from your Macintosh if you already connected an interface cable Turn on your Macintosh Insert the supplied CD ROM for Macintosh into your CD ROM drive Double click the Start Here icon to install the printer scanner and PC FAX Send drivers If the language screen appears select your language Click Install next to the MFL Pro Suite for your country After the installation is completed restart your Macintosh Connect the network interf
194. it is installed The toner cartridge is installed in the drum unit Toner sensor Light reception Toner sensor Light emission Fig 3 25 3 17 CHAPTER 3 THEORY OF OPERATION 2 4 8 Cassette sensor Paper empty sensor Detect if the paper tray is installed They also detect if there is paper in the paper tray Cassette sensor PCB ASSY Fig 3 26 2 4 A Paper eject sensor Detects if paper is ejected from the fixing unit Eject sensor PCB ASSY Fig 3 27 8220 SERVICE MANUAL 2 4 5 Document front sensor Document rear sensor It detects that a document is placed on the ADF Document front sensor It detects that a document is finished to be fed Document rear sensor Document front sensor Document rear sensor Fig 3 28 2 4 6 Regist sensor It detects whether paper is fed from the paper tray or the manual feed tray Engine PCB ASSY Regist sensor Fig 3 29 CHAPTER 3 THEORY OF OPERATION 2 5 2 5 1 2 5 2 2 5 3 2 5 4 2 6 2 7 2 7 1 Drum Unit Photosensitive drum Generates the latent electrostatic image and develops the image on the drum surface Primary charger Forms a uniform charge on the drum surface 1 Corona wire Generates the ion charge on the drum 2 Grid Spreads the ion charge evenly over the drum surface Transfer roller Transfers the toner image to the paper from the drum surface Cleaner Removes the paper dust or dirt on the surf
195. l tone interrupt detecting time This selector sets the allowable time length of an interrupt which should not be interpreted as an interrupt in the 1st dial tone dialing A 13 APPENDIX 3 FIRMWARE SWITCHS WSW WSW08 Dial tone setting 2 2 o 1st dial tone detection time length 2 o Detection level of 1st dial tone and busy tone before dialing 3200000 00 00N 0 1 3 4 Time out length for 1st and 2nd 5 dial tone detection NOTE The WSWO6 is not applicable in those countries where no dial tone detection is supported e g U S A e Selectors 1 through 3 1st dial tone detection time length Upon detection of the 1st dial tone for the time length set by these selectors the machine starts dialing This setting is effective only when selectors 1 through of WSWO5 are set to 1 1 1 e Selectors 4 and 5 Time out length for 1st and 2nd dial tone detection These selectors set the time out length for the 1st and 2nd dial tone detection so that the machine waits dial tone input for the specified time length and disconnects itself from the line when no dial tone is inputted 8220 SERVICE MANUAL WSWOS Protocol definition 1 Frame length selection 0 2560ctets 1 64 octets Use of non standard commands 0 Allowed 1 Prohibited 4 times of retries Stimes 2 times 1time 1 No Elapse
196. lator P Unit T402 Q405 Voltage Regulator iE c T401 Q407 GND Voltage Regulator a Z301 VR302 Voltage Regulator Fig 3 18 3 12 2 5 2 1 Overview of Printing Mechanism Corona wire SCANNER UNIT Heat roller Second eject roller Rear cover First eject roller Pressure roller PAPER TRAY Scanner motor 8220 SERVICE MANUAL DRUM UNIT Development roller NT Supply roller Paper feed pinch roller Regist front actuator First feed pinch roller Paper M zzz LN Cleaner Photosensitive drum Transfer roller Regist rear Paper Feed roller Fig 3 19 actuator First feed roller Paper pick up roller HN Cassette pressure roller Separation pad Pressure plate CHAPTER 3 THEORY OF OPERATION 2 2 Scanner Mechanism Document front sensor actuator ADF parts Document feed roller ASSY Document rear sensor actuator Document pressure bar Document ejection roller ASSY ADF document support XO R N lt 20 Nip related parts Document ADF document output support Document take in roller ASSY Separation roller ASSY Pinch rollers Pressure rollers
197. ld the support flap before you use the machine Support flap Fig 2 16 NOTE For details on supported paper specifications see About paper in Chapter 2 of the User s Guide 8220 SERVICE MANUAL 3 1 5 Installing the Power Cord and Phone Line NOTE Do not connect the Parallel or USB cable yet 1 Make sure that the power switch is off Connect the power cord to the machine Fig 2 17 2 Plug the power cord into an AC outlet Turn the power switch on f UN Power cord Fig 2 18 3 Connect one end of the telephone line cord to the jack on the machine marked LINE and the other end to a modular wall jack Fig 2 19 MJ cover is only equipped for Europe spec The machine must be grounded using a 3 prong plug Since the machine is grounded through the power outlet you can protect yourself from potentially hazardous electrical conditions on the telephone network by keeping the power to your machine on when you connect it to a telephone line Similarly you can protect yourself when you want to move your machine by disconnecting the telephone line first and then the power cord CHAPTER 2 INSTALLATION AND BASIC OPERATION NOTE If you are sharing one phone line with an external telephone connect it as shown below NOTE If you are sharing one phone line with an external telephone answering device connect it as shown below Please set t
198. lder is higher than that of conventional solder so productivity will decrease with conventional soldering irons Some tool manufacturers sell soldering irons designed for lead free solder and that can maintain the productivity of the soldering operations The soldering irons used at BIL are model no 941 manufactured by HAKKO and M6 SIC 40 manufactured by BONKOTE The prices of these soldering irons for use with lead free solder are three to four times higher than those for conventional soldering irons with a temperature controller built in 7 No mixing of different solders When repairs are made on a PCB with an LF indication on it lead free solder with the same metal composition which is expressed by the digit following LF must be used on a single PCB For a PCB with an LF indication on it neither tin lead solder nor lead free solder with a different metal composition must be used Compatible solder for each countries are listed below Solders are freely available from each manufacturer Visit the web site below for more detail Countries Manufacturer Origin Name Web site For Japan UK ALMIT JAPAN KR 19 SH RMA http www almit com Finland LFM 48 Germany France Sweden For World wide KESTER U S A KESTER245 http www kester com except KESTER285 Australia New Zealand For Worldwide AIM CANADA CASTIN RMA2 http www aimsolder co m 4 69 CHAPTER 4 DISASSEMBLY AND RE ASSEMB
199. life print quality problem then replace the drum unit with a new one The drum counter was not reset 1 Open the front cover and then press Clear Back button 2 Press 1 key to reset Check Original The originals were not inserted See Original jams on page 6 11 fed properly or original scanned from ADF was longer than about 36 inches 90cm Check Paper Check Paper 1 Check Paper 2 The machine is out of paper or paper is not properly loaded in the paper tray Refill the paper in the paper tray or MP tray OR Remove the paper and load it again Check Paper MF Paper in the manual feed tray runs out Reload paper Check Paper Size When you see this error the paper in the paper tray does not match the paper size you set in Menu button 1 key and 3 key Either load the appropriate size paper or change the default setting Comm Error Poor phone line quality caused communication error Try the call again If problem continues call Telephone Company to check your phone line Connection Fail You tried to poll a fax machine that is not in Polled Waiting mode Verify the other party s polling setup Cooling Down Wait For A While The temperature of the drum unit or toner cartridge is too hot The machine will pause its current print job and go in to cooling down mode During the cooling down mode you will hear the cooling fan running while the display on the
200. line is connected via the external telephone except in the external TAD mode No of CNG cycles to be detected when the line is connected via the external telephone in the external TAD mode 8 Not used NOTE Selectors 6 7 take effect only in the V 34 mode e Selector3 Dialing during document reading into the temporary memory in in memory message transmission If this selector is set to 0 the machine waits for document reading into the memory to complete and then starts dialing This enables the machine to list the total number of pages in the header of the facsimile message e Selectors 4 and 5 No of CNG cycles to be detected when the line is connected via the external telephone except in the external TAD mode The machine interprets a CNG as an effective signal if it detects a CNG signal by the number of cycles specified by these selectors when the line is connected via the external telephone except in the external TAD mode e Selectors 6 and 7 No of CNG cycles to be detected when the line is connected via the external telephone in the external TAD mode The machine interprets a CNG as an effective signal if it detects a CNG signal by the number of cycles specified by these selectors when the line is connected via the external telephone in the external TAD mode A 30 8220 SERVICE MANUAL WSW 7 Function setting 5 EIER T HEN 3 Detection of distinctive ringing is
201. ling 1 No redialing CRP option 0 Disable 1 Enable e Selectors 1 through 6 Selection of redial interval and No of redialings N 2 3 6 o 1 7 The machine redials by the number of times set by selectors 3 through 6 at intervals set by selectors 1 and 2 This setting is effective only when selector 7 is set to 0 e Selectors 7 Redialing for no response sent from the called terminal This selector determines whether or not the machine redials if no G3 command response comes from the called station after dialing within the time length set by selectors 7 and 8 of WSW09 e Selectors 8 CRP option If command error occurs in the equipment calling station the equipment usually waits for three seconds and then makes a retry three times This CRP option is a request command that can be sent from the called station for requesting the calling station to retry the failed command immediately A 21 APPENDIX 3 FIRMWARE SWITCHS WSW WSW16 Function setting 1 CCITT superfine recommendation 0 OFF 1 ON 3 6 Not used Max document length limitation 0 400 cm 1 90cm Stop Exit button pressed during 0 Not functional 1 Functional reception e Selector 2 superfine recommendation If this selector is set to 1 the machine communicates in CCITT recommended superfine mode 15 4 lines mm If it is set to 0 it communicates in native superfine mode e Selector 7 Max document
202. llowing screen click OK to install the Windows updates After the updates are installed your PC may restart f it does the installation will automatically continue f the installation does not continue automatically please open the installer menu again by double clicking the setup exe program from the root directory of the Brother CD ROM and continue from Step 4 When the PaperPort 8 0 SE Setup window is displayed click Next After reading and accepting the ScanSoft License Agreement enter your user information and click Next Select Typical and click Next Click Install and PaperPort will start installing on your computer When the PaperPort 8 0 SE Registration screen is displayed make your selection and follow the on screen instructions Click Finish to complete installation When the Brother MFL Pro Suite Installation window appears click Next NOTE e f an error message appears at this point in the installation process or if you have previously installed the MFL Pro Suite you will first have to uninstall it From the Start menu select Programs Brother Brother MFL Pro Suite Uninstall and then follow the instructions on the screen 14 When the Brother Software License Agreement window appears click Yes 2 13 CHAPTER 2 INSTALLATION AND BASIC OPERATION 15 Select Local Interface and then click Next 16 Select Standard and then click Next The application files will be copied and i
203. lowed A 16 8220 SERVICE MANUAL WSW11 Busy tone setting Narrows by 10 Hz Initial value Widens by 10 Hz 250 750 250 750 ms 400 600 400 600 ms time length ranges 175 440 175 440 ms 6 More than one setting allowed 100 1000 17 660 ms 7 1 110 410 320 550 ms 100 660 100 660 ms Frequency band range aje NOTE e WSW 1 is not applicable in those countries where no busy tone detection is supported e The setting of WSW 1 1 is effective only when selectors 5 and 6 of WSW05 are set to 1 or 1 1 Busy tone detection e Selectors 1 and 2 Frequency band range These selectors set the frequency band for busy tone to be detected Selectors 3 through 8 ON OFF time length ranges These selectors set the and OFF time length ranges for busy tone to be detected If more than one selector is set to 1 the ranges become wider For example if selectors 4 and 5 are set to 1 the ON and OFF time length ranges are from 175 to 600 ms APPENDIX 3 FIRMWARE SWITCHS WSW WSW12 Signal detection condition setting Min OFF time length of calling signal Ci Max OFF time length of calling signal Ci Detecting time setting e Selectors 1 through 4 Min and max OFF time length of calling signal Ci If the machine detects the OFF state of calling signal Ci for a time length which is greater than the value set by selectors 1 and 2 and less than the value set b
204. lved after replacing the high voltage power supply PCB 6 44 1 If toner or glue remains stuck wipe it off gently with a cotton swab Refer to NOTE in the previous page If the photosensitive drum is scratched or deteriorated exposed replace the drum unit Clean contact electrode both on the drum unit and in the machine 1 Check and clean the heat roller with a cloth dampened with alcohol 2 Replace the fixing unit Replace the high voltage power supply PCB 8220 SERVICE MANUAL 1 17 19 contacts Corona wire 1 Is the wire cleaner at its home No Return the wire cleaner failure position to its home position es Dirt on the 2 Is the corona wire dirty Y 1 Clean the corona corona wire wire 2 If the problem still 2 appears after cleaning replace the drum unit 6 45 CHAPTER 6 TROUBLESHOOTING l 18 Gray background LI Does the paper being used Recommend to use the meet the paper specification specified types of paper weight etc Recommend to change to freshly unpacked paper Toner sensor Is the sign Toner Empty Toner sensor failure Clean the failure displayed on the LCD even toner sensor and check the machine side after removing the drum unit toner sensor connection and toner cartridge Be sure to close the cover after removing the drum unit and toner cartridge Toner cartridge Is the problem solved after Replace the toner cartridge
205. machine error 11 Error code of the most recent communications error 2 12 ADF jam count indicating how many times a document jam has been occurred 13 ADF page count indicating how many documents have been fed To stop this operation and return to the equipment to the initial stage of the maintenance mode press the Stop Exit button When you press the Set button while the MACHINE ERR error code is displayed the last error code is displayed Each time the Set button is pressed up to the ten error codes are displayed one by one in reverse order 2 When you press the Set button while the 1 error is displayed the last error the previous error and the second previous error are displayed in turn The indication changes from COMEER1 COMEER2 to COMEER3 7 23 CHAPTER 7 MAINTENANCE MODE USB USB Serial No T1 JAM Number of jams that occurred at the tray 1 T2 JAM Number of jams that occurred at the tray 2 IN JAM Number of jams that occurred at the feeding RE JAM Number of jams that occurred at the ejecting TOTAL PG Total number of pages printed DRUM PG Number of pages printed by a drum TNER PG Number of pages printed by a toner cartridge T1 PAGE Number of pages picked up from the tray 1 T2 PAGE Number of pages picked up from the tray 2 AA LTR Number of A4 Letter size sheets picked up LG A4L Number of Legal A4 Long size sheets picked
206. mal part 8220 SERVICE MANUAL F 2 Speed dialing and One touch dialing can t be used Speed dialing 1 A fax transmission can be Yes Replace the main PCB One touch made using the key ten dialing Dialing mode 2 Dialing signal PB or DP Yes Check the dialing mode setting comes out normally in each setting at customer s again mode Check the telephone line Use telephone line emulator cord between machine and socket Connection 3 Main PCB and NCU PCB are No Fix the connection properly between main properly connected PCB and NCU PCB Harness 4 Harness wire is damaged Yes Replace the harness with a between main normal part PCB and NCU PCB Connection 5 Main PCB and control panel No Fix the connection properly between main PCB are properly connected PCB and control panel PCB Harness 6 Harness wire is damaged Yes Replace the harness with a between main normal part PCB and control panel PCB Connection of 7 FPC key is properly No Fix the connection properly FPC key connected FPC key 8 Replacement of FPC key Yes Replace the FPC key with a solves the problem normal part NCU PCB 9 Replacement of NCU PCB Yes Replace the NCU PCB with solves the problem a normal part Control panel 10 Replacement of control panel Yes Replace the control panel PCB PCB solves the problem PCB with a normal part 1 Verify that the telephone cord is securel
207. markings on the white level reference film inside the scanner top cover BF Not used ADF Auto Document Feeder scanning position detection failure 6 8 8220 SERVICE MANUAL Error Error factor Check Code Hex D Modem error Main PCB E4 Out of paper Regist sensor Main PCB E6 Write error in EEPROM Driver PCB E8 Data scanning error during transmission CIS EA Document removed at phase B Main PGBS F5 EOL not found during page memory Replace the main PCB if this error transfer occurs frequently F6 PC interface error Interface cable Main PCB FA Not used Scanner motor error detected Scanner motor FF Memory management error Replace the main PCB if this error occurs frequently 6 9 CHAPTER 6 TROUBLESHOOTING 3 3 1 PAPER PROBLEMS Paper Loading Problems First make sure that you are using paper that meets Brother recommended paper specifications See 2 3 Paper in Chapter 1 Problem Remedy The machine does not feed paper If there is paper in the paper tray make sure it is straight If the paper is curled you should straighten it before printing Sometimes it is helpful to remove the paper turn the stack over and put it back in the paper tray Reduce the amount of paper in the paper tray and then try again Check that manual feed tray is not selected in the printer driver The machine does not feed paper from the manu
208. mber other than 631 If you are using Port 631 for IPP printing you may find that your firewall may not let the print data through If this is the case use a different port number port 80 or configure your Firewall to allow Port 631 data through To send a print job using IPP to a machine using Port 80 the standard HTTP port enter the following when configuring your Windows 2000 XP system http ip_address ipp Get More Info option in Windows 2000 not working Go to Printer s Web site in Windows XP not working If you are using a URL of http ip_address 631 or http ip_address 631 ipp the Get More Info option in Windows 2000 or the Go to Printer s Web site option in Windows XP will not function If you wish to use the Get More Info or the Go to Printer s Web site option use the following URL http ip address This will then force Windows 2000 XP to use Port 80 to communicate with the Brother print fax server Windows 95 98 Me clients not able to get the driver from a Windows 2000 XP system You must be using version 4 0 or later of Internet Explorer and the Microsoft Internet Print Services software must be installed on your client computers 6 57 CHAPTER 6 TROUBLESHOOTING 10 11 Novell Netware Troubleshooting If you cannot print from NetWare and you have checked the hardware and network as described in the previous steps first verify that the Brother print fax server is attached to the serv
209. mmed inside any jammed paper or other item the machine gently pull it out then close the front cover If the error message remains open and close the front cover again If the machine cannot reset itself and return to the date and time prompt it will display Machine Error XX Refer to 2 2 Error Codes Shown in the MACHINE ERROR X message Paper Jam The paper is jammed in the See Paper Jams on page 6 11 machine Toner Empty Toner cartridge is not installed Reinstall the toner cartridge OR OR Toner is used up and printing is not possible Replace the toner cartridge with a new one Toner Low If the LCD shows Toner Low you Order a new toner cartridge now can still print But the toner is depleted and the machine is telling you that the toner will soon run out 6 5 CHAPTER 6 TROUBLESHOOTING 2 2 Error Codes Shown in the MACHINE ERROR X X message If the LCD shows the PLS OPEN COVER message you can display the detailed error code following the MACHINE ERROR by using the maintenance mode function code 82 described in Chapter 7 Section 3 16 NOTE e When checking a as instructed in the Check column check its harness also e check sensors use the maintenance mode function code 32 described in Chapter 7 Section 3 9 that is press the 3 and 2 keys in the maintenance mode Error Error facto
210. n the FAX mode according to the preset number of ringers A 37 APPENDIX 3 FIRMWARE SWITCHS WSW WSW37 Function setting 15 Printout of the stored image data of an unsent document onto the error report Not used Erasure of the stored image data of 2 an unsent document at the time of the subsequent in memory message transmission 3 8 e Selector 1 Printout of the stored image data of an unsent document onto an error report This selector determines whether or not the 1st page image data of a document will be printed out onto the error report if the document image data stored in the temporary memory cannot be transmitted normally e Selector 2 Erasure of the stored image data of an unsent document at the time of the subsequent in memory message transmission If in memory message transmission fails repeatedly when selector 1 is set to 1 the temporary memory will be occupied with image data Setting selector 2 to 1 will automatically erase the stored 1st page image data of an unsent document at the time of the subsequent in memory message transmission only when recording paper or toner runs out A 38 8220 SERVICE MANUAL WSW38 Function setting 16 Setting of the equalizer Automatic Fixed to 4 points Fixed to 16 D Sending level of guard tone at 0 Normal 7 db Normal phase 2 Stepping down the transmission 0 2400bps 1 4800bps speed at fallback each For higher transmission speed than
211. nector Polygon motor connector Main motor connector Fan motor 60 connector r Main PCB connector LVPS PCB connector Cod D Toner sensor light emission connector HVPS PCB connector Engine ASSY O eS FR solenoid connector PF solenoid connector Cassette sensor PCB connector _ eal O 9 gm Fig 4 88 2 Remove the two bind B 4 12 Taptite screws and then remove the engine ASSY ae o Taptite bind B 4 12 Engine ASSY Fig 4 89 4 49 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 3 19 M High voltage PS ASSY 1 Remove the bind B 4 12 Taptite screw and then remove the high voltage PS ASSY 2 Disconnect the flat cable from the high voltage PS PCB ASSY NOTE After disconnecting flat cable s check that each cable is not damaged at its end or short circuited When connecting flat cable s do not insert them at an angle After insertion check that the cables are not at an angle Taptite bind B 4 12 High voltage PS PCB ASSY I Flat cable 3 20 Low voltage PS PCB ASSY 1 Remove the bind B M4x12 Taptite screw 2 Disconnect the three connectors from the low voltage PS PCB and then remove the low voltage PS PCB ASSY Low voltage PS PCB ASSY Taptite bind B
212. ngine PCB Main PCB 4 15 the problem solved by No Replace the main PCB replacing the main PCB M 4 No paper supplied Separation pad Is the surface of the separation 1 Clean the surface of the paper pick up pad or the paper pick up roller separation pad or paper roller failure dirty or worn out pick up roller 2 Replace the separation pad or paper pick up roller Failure of Is the contact of the solenoid Reconnect the connector connector connector on the engine PCB good Engine PCB Set paper in the manual feed Replace the engine PCB circuit tray and make a test print by pressing the control panel button Paper pick up Does the voltage between pins Replace the paper pick up clutch solenoid 2 solenoid and 1 24V of the clutch solenoid CN16 connector on the engine PCB change from approx 24V DC to OV within the specified time High voltage Do any of the terminals on the Clean the terminals contact high voltage contacts have dirt or contact burns High voltage Check the connections of the Replace the high voltage power supply connector between the high power supply PCB PCB voltage power supply and the engine PCB are secured correctly Reconnect the connector between the high voltage power supply and the engine PCB 6 21 CHAPTER 6 TROUBLESHOOTING M 6 Fixing heater temperature failure Step Check Remedy Poor thermistor 1 Is the contact of connector No Reconnect the connector harness contact CN7
213. nner Area Setting Maintenance mode 55 Function This function is to set the scanning area of the CIS scanner of this machine and store the setting value in the EEPROM Operating Procedure gt 1 In the initial stage of the maintenance mode press the 5 key twice and SCANNER AREA SET is displayed on the LCD display 2 Store the magnification correction setting value in the EEPROM and the machine returns to the initial stage of the maintenance mode 7 20 8220 SERVICE MANUAL 3 13 Paper Feed and Paper Eject Test Maintenance mode 67 Function This function is to verify if paper is properly fed from a paper tray and properly ejected to a paper eject tray Please make use of it for confirmation after repair service is done Operating Procedure gt 1 2 3 4 Press the 6 7 keys in this order and SELECT TRAY 1 is displayed on the LCD Press the up arrow key or the down arrow key and the display is changed to SELECT TRAY2 Select the tray to be checked using the up arrow key or the down arrow key Press the SET button and PAPER FEED TEST is displayed on the LCD then paper feed and paper eject test starts Grids as shown in the next page are printed on paper Press the Stop Exit button and the paper feed and paper eject test is cancelled then the machine returns to the initial stage of the maintenance mode Hint The paper feed and paper eject test continu
214. nput connector of the low voltage power supply and the power plug M 2 No DC power 2 No DC power supplied Result Result 1 Is AC power supplied between Follow the same check connectors CN1 L and CN1 N procedure of M 1 No AC when the power plug is power supplied plugged into the outlet Power plug Wiring DC load 2 Turn on the power switch Turn off the power switch Measure the voltages between reconnect the connector and the terminals Do the turn the power switch on measured voltage satisfy the again If the protector circuit prescribed valued in the table is activated check the below connector the wiring from the connector and the DC load Low voltage 3 Refer to the chart 1 below Replace the low voltage power supply power supply PCB PCB PCB lead pin lead pin Voltage Engine CN8 3 CN8 2 Approx 24V CN10 6 CN10 5 Approx 3 3V N WARNING If you analyze malfunctions with the power plug inserted into the power outlet special caution should be exercised even if the power switch is OFF because it is a single pole switch 6 20 8220 SERVICE MANUAL M 3 Main motor failure Failure of Is the connection of connector Reconnect the connector connector on the engine PCB correct Main motor 2 15 the problem solved by No Replace the main motor replacing the main motor Engine PCB 3 Is the problem solved by No Replace the engine PCB replacing the e
215. ns A rough surfaced paper may cause the problem 2 The toner cartridge may be damaged Install a new toner cartridge 3 The drum unit may be damaged or may be nearly at the end of life Install a new drum unit 6 49 CHAPTER 6 TROUBLESHOOTING 8 4 Location of Grounding Contacts 8 4 4 Drum unit 2 Wire cleaner Drum Unit 5 Grid 8 Cleaner 2 SS NS p NS 4 Development roller 3 Charge 1 Photosensitive drum 6 Transfer roller Fig 6 13 8 4 2 Machine body amp Paper tra j y p y 3 Charge 5 Grid 8 Cleaner 4 Development roller 1 Photosensitive drum 6 Transfer roller 2 gt al Z 7 Ground lt gt gt es 2 Fig 6 14 Paper Tray How to clean the electrodes Turn off the power switch Unplug the machine from the AC power outlet and leave the machine for a few minutes Then wipe the electrodes above carefully with a dry lint free cloth Be careful not to change the shapes of the electrodes 6 50 8220 SERVICE MANUAL 9 INCORRECT PRINTOUT When the data is not printed correctly as it is seen on the PC screen follow the procedures below in the event of a specific error P 1 The machine prints unexpectedly or it prints garbage User Check Check if the printer cable is not too long It is recommended to use a parallel cable of less than 2 meters 6 6 feet in length Check that the printer cable is not damag
216. nstalled to your computer NOTE If you want to install the PS Brother PostScript driver select Custom and then follow the on screen instructions When the Select Components screen appears check PS Printer Driver and then continue following the on screen instructions For Windows 98 98SE Me Users Only gt Make sure that you followed the instructions in 1 to 16 on pages 2 13 to 2 14 17 When this screen appears connect the USB interface cable to your PC and then connect it to the machine Plug the machine into the AC power outlet Turn the power switch on It will take a few seconds for the installation screen to appear The installation of the Brother drivers will automatically start Follow the instructions on the screen Select BRUSB USB Printer Port and then click Next Accept the default Printer name by selecting Yes and then click Next Select Yes recommended and then click Finish test page will be printed so you can check the print quality 21 Ifthe test page is printed correctly click Yes If you click No follow the prompts on the screen to correct the problem NOTE If the README file shown in step 22 appears close the README WRI file and then click Finish after printing the page 22 The README file will be displayed Please read this file for troubleshooting information and then close the file to continue installation 23 Che
217. o attach the additional ribs against the ribs of the Top cover ASSY February 04 SM FAX026 6 8X5913 Printed in Japan
218. o the pick up roller If the rubber is worn out replace it with a new one Check sensor motion referring to 3 9 Sensor Operational Check in Chapter 7 Check sensor motion referring to 3 9 Sensor Operational Check in Chapter 7 CHAPTER 6 TROUBLESHOOTING 3 4 Paper Feeding Problems Even if the paper is printed and ejected without any problems such as paper jams paper feeding problems below may appear Users can clear these problems by following the User Check items for each problem Even if the same problem occurs again follow the procedures in the table below F 1 Double feeding User Check Check the paper used meets the recommended paper specifications Possible cause Step Check Result Remedy Separation pad 1 Is the surface of the separation Yes Replace the separation pad pad worn out 1 Check that paper is loaded into the paper tray correctly 2 3 4 Turn over the stack of paper in the cassette or try rotating the paper 180 in the cassette Is the problem solved if new Instruct the user how to store paper is used paper so that it does not Check the paper used meets the recommended paper specifications Try printing using the straight through output path absorb moisture Y Fixing unit 15 the entrance guide dirty Yes Clean the entrance guide entrance guide Y es Fixing unit Is the pressure roller dirty Clean the pressure roller
219. oblem and maintain the steady print density the machine counts the printed pages after the toner cartridge is replaced and changes the bias voltage according to the number of the printed pages The steps to change bias voltage are as following 1 When it is detected that the toner cartridge which is empty or near empty is replaced with a new one which is full of toner the developing bias is set up to 400V initialized 2 The bias voltage is gradually decreased as the printing is performed 3 The bias voltage will change to 300V when 7000 sheets are printed and it will get fixed once reached to 300V until the message either Toner Empty or Toner Low appears Bias voltage 0 sheets 7000 sheets The number of printed sheet The reason the toner cartridge needs to be replaced from the one which is empty or near empty to the new one which is full of toner is that the machine is initialized to set developing bias at 400V only when the machine detects the output from both the front cover sensor and the toner sensor when the user replace the toner cartridge If the toner cartridge which remains enough amount of toner is replaced with a new one which is full of toner the machine cannot recognize that the toner cartridge is replaced by the toner sensor and fails to initialize the developing bias In this case the toner cannot get enough bias voltage 400V to print properly and the print density gets lighter than
220. om the called terminal in automatic sending during the time set by these selectors it disconnects the line A 15 APPENDIX 3 FIRMWARE SWITCHS WSW WSW10 Protocol definition 2 EIER REN RN Time length from transmission of the last dial digit to CML ON Oy toms ER Time length from CML ON to CNG 0 2 fu eae transmission Time length from CML ON to CED transmission except for facsimile 0 0 5 sec to telephone switching 1 time No of training retries 2times 3 times 4times Encoding system 0 Allowed 1 Not allowed 8 Compression 0 Allowed 1 Notallowed e Selector 2 Time length from transmission of the last dial digit to CML ON This selector sets the time length from when the machine transmits the last dial digit until the CML relay comes on e Selector3 Time length from CML ON to CNG transmission This selector sets the time length until the machine transmits a CNG after it turns on the CML relay e Selector 4 Time length from CML ON to CED transmission This selector sets the time length until the machine transmits a CED after it turns on the CML relay This setting does not apply to switching between facsimile and telephone e Selectors 5 and 6 No of training retries These selectors set the number of training retries to be repeated before automatic fallback e Selectors 7 and 8 Encoding system Compression This selector determines whether or not use of the MR MMR coding system will be al
221. on used for soldering with tin lead solder must not be used with lead free solder The use of soldering irons designed for lead free solder is desirable see 7 Soldering iron below The requirement for the temperature of the soldering iron s tip is the same as that for soldering using conventional solder the temperature of the soldering iron s tip must not be raised even though the melting point of the lead free solder is higher The temperature of the soldering iron s tip is restricted to the temperature that the component to be soldered can resist It should be noted that the temperature that the components to be soldered with lead free solder can resist has not increased even though the melting point of the solder has A soldering iron must be correctly applied Even though the melting point of the solder has increased soldering operations must be performed with the soldering iron s tip at the same temperature as prescribed before Therefore heat needs to be effectively applied from the tip of the soldering iron to the base metal For effective heat application the shape of the soldering iron s tip and application of the soldering iron position and angle relative to the base metal need to be more strictly controlled than before The soldered point must be left as it is after the soldering iron is removed for a period of time longer than that required when soldering is performed with conventional solder The amount of heat applied to the b
222. or PCB ASSY FU frame lower Taptite bind B M3x10 27 Remove the paper eject actuator and eject actuator spring Eject actuator spring Paper eject actuator Hook FU frame lower Fig 4 78 4 43 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY NOTE When re assembling the paper eject actuator and the eject actuator spring to the FU frame lower ensure the paper eject actuator is seated correctly in the locating channel referring to the figure below FU frame lower P d Eject actuator spring Fig 4 79 Paper eject actuator 28 Disconnect the heater harness 29 30 31 Remove the four separate claw ASSY Remove the four cup B M3x6 Taptite screws 28 29 30 Remove the four separate claw holder plate 31 Taptite cup B M3x6 Q Separate claw ASSY Separate claw holder plate Separate claw ASSY Heater harness Tweezers Fig 4 80 4 44 MFC 8220 SERVICE MANUAL 3 15 Laser Unit 1 Remove the filter and then remove the cup S M3x8 Taptite screw and the air duct Disconnect the LD harness 5P from the laser unit NOTE After disconnecting flat cable s check that each cable is not damaged at its end or short circuited When connecting flat cable s do not insert them at an angle After insertion check that the cables are not at an angle Disconnect the polygon motor harness and remove the spongy from the polygon motor harness Remove the six cup
223. or spring P Regist front actuator Regist front actuator spring 47 L Regist rear actuator LEE SS Regist rear actuator spring Fig 4 106 NOTE When assembling the regist front actuator and the regist rear actuator set the spring as shown in the figure Regist rear actuator spring Regist rear actuator eZ Regist front actuator spring Hole Regist front actuator Fig 4 107 4 58 MFC 8220 SERVICE MANUAL 3 22 FrameL Drive Unit 1 Remove the main PCB sheet from the main frame L unit 2 Remove the four bind B 4 12 Taptite screws 3 Remove the two bind B M3x10 Taptite screws and then remove the main frame L unit Main frame L unit Under bar Taptite bind B 4 12 Main PCB sheet uar 2 Taptite bind B 4 12 Taptite bind B 2 Under bar 4 Taptite bind B M3x10 Fig 4 108 4 59 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 Remove the cup S M3x6 Taptite screw and then remove the ground spring 5 Remove the six bind B 4 12 Taptite screws 6 Remove the cup S M3x6 Taptite screw 7 Remove the cup S M3x6 Taptite screw and then remove the sub gear plate 8 Remove the LD harness 5P from the drive unit 9 Remove the drive unit 10 Disconnect the connector for the main motor harness from the main motor ASSY Main frame L
224. orm the following operations Chapter 7 3 12 CIS Scanner Area Setting Maintenance mode 55 Refer to P7 20 e APPENDIX 1 EEPROM CUSTOMIZING CODES Refer to A 1 APPENDIX 2 1 INSTALING THE UPDATE DATA TO THE MACHINE Refer to A 2 APPENDIX 2 2 SETTING ID CODES TO MACHINES Refer to A 4 4 47 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 3 17 Base Plate LV Insulation Sheet 1 Remove the eight bind B M4x12 Taptite screws 2 Remove the four cup S M3x6 Taptite screws 3 Remove the pan washer M3 5x6 Taptite screw and then remove the ground wire 4 Remove the base plate Taptite bind B 4 12 Taptite bind B M4x12 1 Taptite M3x6 1 Ground wire o Screw washer M3 5x6 Taptite cup S M3x6 Taptite bind B 4 12 Base plate Fig 4 86 5 Remove the two bind B 4 12 Taptite screws and then remove the LV insulation sheet Taptite bind B 4 12 LV insulation sheet 4 48 MFC 8220 SERVICE MANUAL 3 18 Engine ASSY 1 Disconnect the connectors NOTE After disconnecting flat cable s check that each cable is not damaged at its end or short circuited e When connecting flat cable s do not insert them at an angle After insertion check that the cables are not at an angle Fan motor 60 unit connector Toner sensor light reception connector LT connector Thermistor relay PCB con
225. orother SERVICE MANUAL MODEL MFC 8220 Read this manual thoroughly before maintenance work Keep this manual in a convenient place for quick and easy reference at all times Copyright Brother Industries Ltd 2004 All rights reserved No part of this publication may be reproduced in any form or by any means without permission in writing from the publisher Specifications are subject to change without notice Trademarks The brother logo is a registered trademark of Brother Industries Ltd Apple the Apple Logo and Macintosh are trademarks registered in the United States and other countries and TrueType is a trademark of Apple computer Inc Microsoft and MS DOS are registered trademarks of Microsoft Corporation Windows is a registered trademark of Microsoft Corporation in the U S and other countries 8220 SERVICE MANUAL PREFACE This publication is a Service Manual covering the specifications construction theory of operation and maintenance of the Brother machine It includes information required for field troubleshooting and repair disassembly reassembly and lubrication so that service personnel will be able to understand machine function to rapidly repair the machine and order any necessary spare parts To perform appropriate maintenance so that the machine is always in best condition for the customer the service personnel must adequately understand and apply this manual This manual is mad
226. ou followed the instructions in 1 to 16 on pages 2 13 to 2 14 17 When this screen appears connect the USB interface cable to your PC and then connect it to the machine Plug the machine into the AC power outlet Turn the power switch on It will take a few seconds for the installation screen to appear The installation of the Brother drivers will automatically start The screen appears one after another please wait for a while 18 The README file will be displayed Please read this file for troubleshooting information and then close the file to continue installation 19 Check the Run On Line Registration and then click Next 20 Click Finish to restart your computer A Basic Universal printer driver was installed with the MFL PRO Software Suite which is certified for use with Windows operating systems Brother also offers a fully featured printer driver Native driver that includes more features than the Basic Universal driver However this driver does not include a Windows certificate To install the Brother Native driver proceed to step 21 NOTE For details on what features are available see chapter 2 of the Software User s Guide 8220 SERVICE MANUAL Brother Native driver Installation 21 Click Start and select Printers and Faxes Click on Add a printer and the Add Printer Wizard will start When this screen appears click Next 22 Un check the Automatically detect and install my Plu
227. p window is displayed click Next After reading and accepting the ScanSoft License Agreement enter your user information and click Next Select Typical and click Next Click Install and PaperPort will start installing on your computer When the PaperPort 8 0 SE Registration screen is displayed make your selection and follow the on screen instructions Click Finish to complete installation When the Brother MFL Pro Suite Installation window appears click Next NOTE If an error message appears at this point in the installation process or if you have previously installed the MFL Pro Suite you will first have to uninstall it From the Start menu select Programs Brother Brother MFL Pro Suite Uninstall and then follow the instructions on the screen 8220 SERVICE MANUAL 14 When the Brother Software License Agreement window appears click Yes 15 Select Local Interface and then click Next 16 Select Standard and then click Next The application files will be copied to your computer NOTE If you want to install the PS Brother PostScript driver select Custom and then follow the on screen instructions When the Select Components screen appears check PS Printer Driver and then continue following the on screen instructions lt For Windows 95 98 98SE Me Users Only gt Make sure that you followed the instructions in 1 to 16 on pages 2 18 to 2 19 17 When this screen appears connect the pa
228. perly or prevent damage to the printer NOTE Indicates notes and useful tips to remember when servicing the printer Listed below are the various kinds of WARNING messages included in this manual N WARNING Always turn off the power switch and unplug the power cord from the power outlet before accessing any parts inside the printer WARNING Some paris inside the printer are extremely hot immediately after the printer is used When opening the front cover or back cover to access any parts inside the printer never touch the shaded parts shown in the following figures WARNING If you analyze malfunctions with the power plug inserted into the power outlet special caution should be exercised even if the power switch is OFF because it is a single pole switch xi 8220 SERVICE MANUAL CHAPTER 1 GENERAL 1 OVERVIEW Front View Control panel ADF document support Telephone handset Control panel cover ADF document output support Face tt Manual feed tray ace down output tray Power switch Paper tray Face down output tray support Flap with extension Support flap Front cover Fig 1 1 Back View Paper guides External telephone line jack AC power connector Handset jack Telephone line jack Face up ou
229. ply roller Fig 3 33 Transfer 1 Transfer process After the drum has been charged and exposed and has received a developed image the toner formed is transferred onto the paper by applying a negative charge to the back of the paper The negative charge applied to the paper causes the positively charged toner to leave the drum and adhere to the paper As a result the image is visible on the paper 2 Cleaning process of transfer roller If the toner is not transferred onto the paper perfectly it is possible that there may be residual toner on the drum which will adhere to the transfer roller The transfer voltage changes to a positive voltage during non printing rotation of the drum Therefore the transfer roller is cleaned by returning the positively charged toner adhering to the transfer roller onto the photo conductive drum 3 22 8220 SERVICE MANUAL 2 7 5 Fixing stage The image transferred to the paper by static electricity is fixed by heat and pressure when passing through the heat roller and the pressure roller in the fixing unit The thermistor keeps the surface temperature of the heat roller constant by detecting the surface temperature of the heat roller and turning on or off the halogen heater lamp Thermistor First eject roller Heat roller 2 2 A ud Fig 3 34 Pressure roller 3 23 MFC 8220 SERVICE MANUAL CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 1 SAFETY PRECAUTIONS
230. r Lock wires A 2 8220 SERVICE MANUAL 1 3 Installing the Update Data onto the Flash ROM of the Machine On a PC running Windows 95 gt 1 2 Copy the update data and transfer utility onto the desired same directory of the hard disk e g Click the Start button point to Programs and then click MS DOS Prompt to open an MS DOS window Type the drive letter where the update data and transfer utility are located In the above example type C from the command line and press the Enter key Then type CD UPDATE and press the Enter key To start the transfer utility transmitting the update data to the flash ROM of the machine type the following ICEN filename b Where filename is an update data file e g 8220xxxx dat Then press the Enter key During downloading the machine beeps intermittently Upon completion of the downloading the machine beeps continuousN NOTE If the machine cannot return to the standby state after completion of downloading turn the power off and on On a PC running Windows 98 Me 2000 gt 1 Install the printer driver for the parallel port to your PC Once installed no more printer driver is required for your PC Copy the update data onto the desired directory of the hard disk e g CAUPDATE Copy the transfer utility Filedg32 exe onto the desired directory of the hard disk Run Filedg32 exe The Filedrgs window will
231. r Check Code Hex 56 Front cover opened Front cover 5A Out of paper Paper 6A Heater warming up timeout error Thermistor ASSY Heater does not reach 60 C within 11 sec Halogen lamp Heater warming up timeout error Thermistor ASSY eB Heater does not reach 100 C within 15 Halogen lamp Sec Heater temperature exceeds the maximum Thermistor ASSY 6 high temperature Power supply PCB 270 or more is detected for 1 sec Heater temperature lowers the minimum low Thermistor ASSY 6D temperature Power supply PCB 60 C or less is detected for 1 sec Heater temperature does not go up enough Halogen lamp 6E Slower temperature rise rate than 2 5 Power supply PCB sec is detected Heater hard limiter operates Thermistor ASSY 6F Power supply PCB 71 Scanner motor does not synchronize with Scanner motor the reference clock 72 Cannot detect Beam Detect signal Scanner motor Drum unit is not mounted Toner sensor 73 Drum unit Toner empty Toner sensor 74 Toner cartridge 75 In casing temperature error Thermistor ASSY 76 Heater harness disconnected or broken Thermistor ASSY Halogen lamp Power was turned off when error 76 or error 77 78 occurred 78 Heater thermistor harness disconnected or Thermistor ASSY broken 6 6 8220 SERVICE MANUAL Error Error factor Check Code Hex 79 In casing temperature sensor harness e Thermistor A
232. rallel interface cable to your PC and then connect it to the machine Plug the machine into the AC power outlet Turn the power switch on Caution Do not plug the power cord before connecting the parallel interface cable It may cause damage to your machine Click Next The README file will be displayed Please read this file for troubleshooting information and then close the file to continue installation 18 19 lt To 2 Check the Run On Line Registration and then click Next Click Finish to restart your computer N After the computer restarts the installation of the Brother drivers will automatically start Follow the instructions on the screen 23 Click Yes to have the Brother MFL Pro Control Center load each time Windows is started The Control Center will appear as an icon in the task tray If you click No the Scan key on the machine will be disabled NOTE Even if you select NO you will be able to launch the Brother Control Center later to use the Scan key by double clicking the Smart UI icon on the desktop This loads the Brother Control Center to the task tray See AutoLoad the Brother Control Center Chapter 4 in the Documentation Software User s Guide located on the CD ROM OK The Brother PC FAX Printer and Scanner drivers have been installed and the installation is now complete CHAPTER 2 INSTALLATION AND BASIC OPERATION lt For Windows 2000 Pro
233. re refitting the spring and gear e When replacing re assembling the paper tray remove the old grease and apply a suitable amount of grease onto both sides of the paper tray referring to the figure below Grease Molykote PG 662Y K z Grease Molykote PG 662Y hf 2 mm dia ball d Pad 2 mm dia ball Q CI amp 2 Paper tray Fig 4 18 22 Remove the pan B M3x8 Taptite screw and then remove the tray lock lever 23 Release the four hooks to remove the paper tray rear from the paper tray Taptite pan B M3x8 e Tray lock lever Pr Paper tray rear Hook Paper tray Fig 4 19 8220 SERVICE MANUAL 24 Remove the paper rear guide Paper tray Paper rear guide 3 4 Rear Cover C 1 Remove the bind B M4x12 Taptite screw and then remove the rear cover C 2 7 Taptite bind 4 12 Fig 4 21 4 13 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 3 5 Access Cover Battery ASSY 1 Remove the access cover 2 Loosen the two access plate screws 3 Remove the access plate Access plate screw Access cover Hooks Access plate iy NG
234. refix Setting this selector to 1 makes the machine transmit a 1700 Hz echo protection EP tone immediately preceding training in V 29 modulation system to prevent omission of training signals Prefixing an EP tone is effective when the machine fails to transmit at the V 29 modem speed and always has to fall back to 4800 bps transmission e Selectors 2 and 3 Overseas communications mode These selectors should be used if the machine malfunctions in overseas communications According to the communications error state select the signal specifications Setting selector 2 to 1 allows the machine to use 1100 Hz CED signal instead of 2100 Hz in receiving operation This prevents malfunctions resulting from echoes since the 1100 Hz signal does not disable the echo suppressor ES while the 2100 Hz signal does Setting selector 3 to 1 allows the machine to ignore a DIS signal sent from the called station once in sending operation This operation suppresses echoes since the first DIS signal immediately follows a 2100 Hz CED which disables the ES so that it is likely to be affected by echoes in the disabled ES state However such a disabled ES state will be removed soon so that the second and the following DIS signals are not susceptible to data distortion due to echoes Note that some models when called may cause error by receiving a self outputted DIS e Selectors 8 CNG detection on off If this selector is set to 1 the machine detect
235. rint fax server may not make a connection to the desired file server Try forcing the frame type to the desired one using the SET NETWARE FRAME command from the print fax server remote console or using BRAdmin Professional utility 6 If you are using DOS CAPTURE statement and losing portions of your print job try setting the TIMEOUT parameter in your CAPTURE statement to a higher value at least 50 seconds for Windows 6 58 8220 SERVICE MANUAL 10 12 AppleTalk Troubleshooting In case of using Postscript driver if you cannot print from an AppleTalk for Macintosh computer and you have checked the hardware and network as described in the previous steps then check the following 10 13 10 14 1 SB Make sure that you are running Phase 2 AppleTalk and that you have selected the correct network interface from the Apple Talk Control Panel on the Macintosh Make sure that the AppleTalk protocol of the print fax server is enabled If you have a large network make sure that you have the Laser Writer V8 xx or equivalent driver since earlier versions may cause PostScript errors Also verify that you get the correct printer information when you select Printer Info from the Setup button in the Chooser Make sure that you have selected the correct Printer Description File PPD from the Chooser otherwise PostScript errors may result Verify that you have selected the correct AppleTalk zone Because the print fax server
236. rint out the data because of a recording system failure NOTE The maximum number of files to be transferred at a time is 99 If there are 100 files or more you need to perform this function more than once If both color data and monochrome data exist monochrome data is transferred first If the receiving end does not support color color data cannot be transferred resulting in an error Operating Procedure gt 1 2 Press the 5 and 3 keys in this order in the initial stage of the maintenance mode The FAX TRANSFER will appear on the LCD Press the 1 key to display the number of received documents The 1 NO OF JOBS will appear Press the Set button and then the number of received documents is displayed 0 NO OF JOBS 10 Press the 2 key to transmit an activity report The 2 ACTIVITY will appear Press the 3 key to transfer received data It is transferred with an activity report attached The 3 DOCUMENTS will appear If no received data exists NO DOCUMENT will appear Press the Set button while the 2 ACTIVITY or 8 DOCUMENTS is displayed The ENTER NO amp SET will appear Enter a phone number of the receiving end to which data will be transferred and then press the Set button NOTE Be sure to enter a phone number directly from the numeric keypad One touch dialing functions cannot be used for this function The ACCEPTED is displayed for approx 2 sec
237. roduct complies with FDA radiation performance standards 21 CFR Subchapter J Caution Use of controls adjustments or performance of procedures other than those specified in this manual may result in hazardous radiation exposure viii 8220 SERVICE MANUAL IEC 825 220 240V MODEL ONLY This printer is a Class laser product as defined in IEC 825 specifications The label shown below is attached in countries where required CLASS 1LASERP RODUCT APPAREIL LASER DE CLASSE 1 LASER KLASSE 1 PRODUKT This printer has a laser diode which emits invisible laser radiation in the Laser Unit The Laser Unit should not be opened without disconnecting the two connectors connected with the AC power supply and laser unit Since the variable resistor in the laser unit is adjusted in accordance with the standards never touch it Caution Use of controls adjustments or performance of procedures other than those specified in this manual may result in hazardous radiation exposure For Finland and Sweden LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT Varoitus Laitteen k ytt minen muulla kuin t ss k ytt ohjeessa mainitulla tavalla saattaa altistaa k ytt j n turvallisuusluokan 1 ylitt v lle n kym tt m lle lasers teilylle Varning Om apparaten anv nds annat s tt n i denna Bruksanvisning specificerats kan anv ndaren uts ttas f r osynlig laserstr lning som verskrider gr nsen f r laserklass 1 SAFETY
238. rrectly t 7 1 22 Light rain we Drum unit failure 1 Is the problem solved after Yes Replace the drum replacing the drum unit unit Drum unit 2 Is the contact between the No Clean contact connection drum unit and machine electrode both on the 8 failure connected correctly drum unit and in the Yes machine High voltage 3 Is the problem solved after Replace the high power supply replacing the high voltage voltage power supply PCB failure power supply PCB PCB 6 48 8220 SERVICE MANUAL User Check 1 Check the paper used meets the recommended paper specifications Damp paper thick media or rough surfaced paper can cause the problem 2 Check the machine s environment High temperature and high humidity conditions can cause the problem 3 Check that the appropriate media type is selected in the printer driver 4 Try installing a new drum unit Driver setting Is thin paper such as 64g m 1 Change the current mode to used under the thick paper the normal mode from the mode driver setting 2 Print 5 or 6 blank pages if this problem occurs Drum unit failure Is the problem solved after Replace the drum unit replacing the drum unit High voltage Is the problem solved after Replace the high voltage power power supply replacing the high voltage supply PCB PCB failure power supply PCB User Check 1 Check the paper used meets the recommended paper specificatio
239. ry 2 If you are using a Linux operating system the X Window Print tool program that is included with Linux may not properly configure the etc printcap file for Ipd operation then you might also edit the etc printcap file and change the following line in the entry for the machine if lp dev null then to lp 3 If you are using a Berkeley based UNIX make sure that the daemon is started on Berkeley based systems with the command Ipc start machine where machine is the name of the local print queue 4 If you are using an AT amp T based UNIX make sure the machine is enabled enable machine where machine is the name of the local print queue 5 Make sure that the Ipr lpd remote line machine service are running on the host computer refer to your host computer documentation for information on how to do this 6 If text or PCL jobs are run together try setting the service remote machine with EOT set to string number 2 lt 5 gt For example SET SERVICE xxxxxx P1 EOT 2 6 55 CHAPTER 6 TROUBLESHOOTING 10 5 10 6 10 7 7 If PostScript jobs fail to print or are run together try setting the service remote machine with EOT set to string number 3 control D For example SET SERVICE xxxxxx P1 EOT 3 8 Ifthe lines of a text file are staggered make sure that you have specified a remote printer rp name of TEXT in your etc printcap file 9 If you are using Sun Solaris V
240. s a CNG signal according to the condition preset by selectors 2 and 3 of WSW18 after a line is connected If it is set to 0 the machine detects a CNG signal as long as the line is connected A 26 8220 SERVICE MANUAL WSW21 setting 1 1 Not used 7 Erasure of message stored in the memory after the message transfer e Selector8 Erasure of message Setting this selector to 0 will erase the message recorded in the memory after the document retrieval feature transfers the message WSW22 ECM setting in sending 0 ON 1 OFF in receiving 0 ON 1 OFF Call Waiting Caller ID 0 ON 1 OFF 4 8 ECM Error correction mode NOTE e Selector 3 is applicable to the American version only but not applicable to those models equipped with high speed modem e Selectors 5 through 8 are applicable to the Asian version only e Selector3 Call Waiting Caller ID Setting this selector to 0 allows the user to decide whether or not to interrupt the current call when a new call comes Call Waiting Caller ID service is available in the area and the user subscribes to it he she can see information about his her incoming call A 27 APPENDIX 3 FIRMWARE SWITCHS WSW WSW23 Communications setting 1 Starting point of training check 0 From the head of a series of zeros TCF From any arbitrary point 1 No 2 3 2 0 0 096 Allowable training error r
241. s fixed and cannot be adjusted Operating Procedure gt 1 2 3 Insert the telephone cord to the line terminal LINE of the machine and to the telephone jack Lift the handset and verify that a dial tone is heard If the handset volume is not appropriate go on to the next procedure In the initial stage of the maintenance mode press the 1 key and the 6 key in this order The present handset volume level the default setting HIGH is displayed on the LCD as shown below LOW HIGH Fig 7 7 If the volume level displayed on the LCD is the one shown below change the setting to the one the default setting as shown in the above 3 by using the up arrow key and the down arrow key LOW BB HIGH Fig 7 8 Up arrow key Lo Down arrow key Fig 7 9 Press the Start button The machine enters the handset volume adjustment mode and the PWM duty ratio is displayed at the right side of the LCD As hearing a dial tone from the handset adjust the handset volume to appropriate volume by using the 1 3 4 and 6 keys 1 key Turn up the volume by 10H 3 key Increase the volume by 10H 4 key Turn up the volume by 1H 6 key Increase the volume by 1H When the handset volume is adjusted to appropriate volume press the Set button to set the volume setting Then PWM SETTING is displayed on the LCD and the display returns to the state as shown in 3 Press t
242. s printed the temperature on both edges of the fixing unit is much higher than the temperature on the center of the unit where the paper is fed depending on the setting or model Therefore the print speed is slowed in order to decrease the temperature on the edges after the specified time it is maximum print speed when you first start printing Max speed is 20 cpm or more It varies depending on the paper size 8220 SERVICE MANUAL 2 14 Toner Cartridge Weight Information Toner Cartridge Weight approx weight Before M4JN000001B M4JN000001C Serial TN3060 TN570 TN3030 TN540 Brand new Toner Cartridge Weight 827 5g 772 5g Toner Weight at Brand New Toner Cartridge 197 5 2 59 142 5 2 59 Toner Cartridge Weight at Toner Near Empty 693 5 698 5g 693 5 698 50 Remain Toner Weight at Toner Near Empty 80 85g 80 85g Toner Cartridge Weight at Toner Empty 678 5 683 5g 678 5 683 5g Remain Toner Weight at Toner Empty 60 70g 60 70g You can print 500 to 600 pages with 10g toner Without yellow protector Toner cartridge weight may vary within 2 to 3g depending on the cartridge weight Toner Cartridge Weight approx weight From M4JN000001B M4JN000001C Serial No TN3060 TN570 TN3030 TN540 Brand new Toner Cartridge Weight 812 5g 757 50 Toner Weight at Brand New Toner Cartridge 182 52 540 130 5 2 59 Toner Cartridge Weight at Toner Near Empty 693 5 698 5g 693 5
243. sconnect it from your computer if you already connected an interface cable Turn on your computer For Windows 2000 Professional XP you must be logged on as the administrator Insert the supplied CD ROM for Windows into your CD ROM drive If the model name screen appears select your machine If the language screen appears select your language The CD ROM main menu will appear Click Install Software NOTE If this window does not appear use Windows Explore to run the setup exe program from the root directory of the Brother CD ROM Click MFL Pro Suite in Main Application NOTE e MFL Pro Suite includes Printer Driver Scanner Driver ScanSoff PaperPorf ScanSoff Text Bridge PC FAX software Remote Setup and True Type fonts PaperPorf is a document management application for viewing scanned documents ScanSoff TextBridge which is integrated into PaperPort is OCR application that converts an image into text and inserts it into your default word processor Click Install NOTE e f you see the following screen click OK to install the Windows updates After the updates are installed your PC may restart e fit does the installation will automatically continue e the installation does not continue automatically please open the installer menu again by double clicking the setup exe program from the root directory of the Brother CD ROM and continue from step 4 When the PaperPort 8 0 SE Setu
244. setting ES CNG detection when sharing a 1 2 4 6 modular wall socket with a telephone CNG detection when sharing a modular wall socket with a telephone Not used 8 PABX Private automatic branch exchange NOTE Selectors 2 through 4 6 and 8 are not applicable where no PABX is installed e Selectors 1 and 5 CNG detection when sharing a modular wall socket with a telephone These selectors determine whether or not the machine detects a CNG signal when a line is connected to a telephone sharing a modular wall socket with the machine Upon detection of CNG signals by the number of cycles specified by these selectors the machine interprets CNG as an effective signal and then starts FAX reception Selector No 1 No 5 Cycle 0 A 0 A 0 5 cycle 0 1 1 0 1 O A 1 5 cycles 1 B 1 B 2 0 cycles WSW04 TRANSFER facility setting Selector TT NO Function Setting and Specifications 1 Not used 6 No 7 Break time length for flash 5 function NOTE Selectors 5 through 8 are not applicable in those countries where no transfer facility is supported e Selectors 7 and 8 Break time length for flash function These selectors set the break time length This setting is effective only when the flash function is selected for the R key by using the function switch A 9 APPENDIX 3 FIRMWARE SWITCHS WSW WSWO5 1st dial tone and busy tone detection 3 5 sec WAIT 7 0 s
245. specified by selectors 1 through 3 the machine attempts to establish the transmission link via the modem If the establishment fails the machine automatically steps down to the next highest speed and attempts to establish the transmission link again The machine repeats this sequence while stepping down the transmission speed to the last choice specified by selectors 4 through 6 If the modem always falls back to a low transmission speed e g 4 800 bps set the first transmission speed choice to the lower one e g modify it from 12 000 bps to 7 200 bps in order to deactivate the high speed modem function and reduce the training time for shorter transmission time Generally to save the transmission time set the last transmission speed choice to a higher one e Selector 7 V 34 mode This selector determines whether or not the machine communicates with the remote station in the V 34 mode when that station supports the V 34 mode A 25 APPENDIX 3 FIRMWARE SWITCHS WSW WSW20 Overseas communications mode setting tone prefix 0 OFF 2 2 communications mode 0 2100 Hz 1 1100 Hz Reception Transmission Min time length from reception of CFR to start of transmission of video signals Chattering noise elimination at Yes When CNG goes either detection of CNG ON or OFF Yes Only when CNG goes OFF No 1 a a Eum CNG detection on off 0 OFF 1 ON EP Echo protection e Selector 1 tone p
246. t 1 Press the front cover release button and then open the front cover of the machine 2 Pull out the drum unit caution e We recommend that you place the drum unit on a piece of disposable paper or cloth case you accidentally spill or scatter toner e To prevent damage to the machine from static electricity do not touch the electrodes shown in the figure below 5 2 8220 SERVICE MANUAL 3 While pressing the blue lock lever take the toner cartridge out of the drum unit Fig 5 4 Unpack the new drum unit Put the toner cartridge in the new drum unit until you hear it lock into place with aclick When the toner cartridge is installed correctly the blue lock lever is lifted automatically Make sure you fit the toner cartridge properly or it may separate from the drum unit when you pick up the drum unit Fig 5 5 C1 a 6 Put the drum unit in the machine 7 Press the Clear Back button 8 Press the 1 key to reset the drum counter When Accepted message is displayed on the LCD close the front cover caution e Only unpack a drum unit immediately before you need to install it into the machine If an unpacked drum unit is subjected to excessive direct sunlight or room light the unit may be damaged Handle the drum unit and toner cartridge carefully If toner scatters on your hands or clothes wipe or wash it of
247. t Scratch on the Is the drum surface scratched drum Dirt on the 7 Is the drum surface dirty with drum toner in streaks Scratch on the Is the surface of the heat roller heat roller scratched NOTE Ifyou print the same pattern especially vertical streaks continuously electrostatic charge performance of the drum will decrease temporarily and black vertical streaks may appear on the paper e This problem may occur with noise due to the corona wire being dirty In that case clean the corona wire with the wire cleaner Dirt in the paper 5 Is the paper tray or feed Yes Clean the toner off feed system system on the drum unit dirty with toner 6 37 CHAPTER 6 TROUBLESHOOTING 7 Black and blurred horizontal stripes User Check 1 The drum unit may be damaged Install a new drum unit 2 Check the paper used meets the recommended paper specifications pna MA D 3 Clean the machine interior and the corona wire in the drum unit contacts Scratch on the Are the horizontal stripes at drum intervals 94mm photosensitive drum The photosensitive drum was scratched Toner stuck on the development roller Scratch on the heat roller Dirt on the charge electrodes Replace the drum Are the horizontal stripes at 39mm development roller intervals After printing several pages the problem will disappear If not replace the toner cartridge Yes Replace
248. t and find the exact position of the image defect Drum unit E 4 Position of smudge on i the drum t 94mm interval e is Printing sample Fig 6 10 2 Turn the drum gear by hand while looking at the surface of the photosensitive drum Fig 6 11 3 Wipe the surface of the photosensitive drum with a cotton swab until the dust or paper powder on the surface comes off caution e Do not wipe the surface of the photosensitive drum with something sharp ball point pen etc e Use cleaning liquid which is a 50 50 mixture of ethyl alcohol and pure water 6 43 CHAPTER 6 TROUBLESHOOTING l 16 Black spots 1 If the problem is not solved after printing a few pages the drum unit may have glue from label stock on the photosensitive drum surface Refer to Step 1 in the table below and NOTE in the previous page 2 The drum unit may be damaged Install a new drum unit Drum unit failure Drum connection failure Fixing unit failure High voltage power supply PCB failure 2 3 4 Are the spots at 94mm intervals The problem is not solved after printing a few pages Is the contact between the drum unit and machine connected correctly Are the spots at 79mm intervals The problem is not solved after printing a few pages Is the problem so
249. t you must use the machine with these appliances it is recommended that you use an isolation transformer or a high frequency noise filter Use a voltage regulator if the power source is not stable Environment The machine should be installed near a power outlet which is easily accessible The room temperature is maintained between 10 C and 32 5 The relative humidity is maintained between 20 and 80 The machine should be used in a well ventilated room Place the machine on a flat horizontal surface Keep the machine clean Do not place the machine in a dusty place Do not place the machine where the ventilation hole of the machine is blocked Keep approximately 100 mm 4 inches between the ventilation hole and the wall Do not place the machine where it is exposed to direct sunlight Use a blind or a heavy curtain to protect the machine from direct sunlight when the machine is unavoidably set up near a window Do not place the machine near devices that contain magnets or generate magnetic fields Do not subject the machine to strong physical shocks or vibrations Do not expose the machine to open flames or salty or corrosive gasses Do not place objects on top of the machine Do not place the machine near an air conditioner Keep the machine horizontal when carrying Do not cover the slots in the side cover 2 1 CHAPTER 2 INSTALLATION AND BASIC OPERATION 1 3 System Requirements for Brother Printer Solution Ch
250. tage of the maintenance mode The machine displays the WSW00 on the LCD and becomes ready to accept firmware switch number 2 Enter the desired number from the firmware switch numbers 01 through 50 The following appears on the LCD Selector 1 Selector 8 1 WSWXX 00000000 3 Use the left arrow right arrow keys to move the cursor to the selector position to be modified 4 Enter a value to be set 0 or 1 using the 0 and 1 keys 5 Press the Set button This operation saves the newly entered selector values onto the EEPROM and readies the machine for accepting a firmware switch number 6 Repeat steps 2 through 5 until the modification for the desired firmware switches is completed 7 Press the Stop Exit button to return the machine to the initial stage of the maintenance mode NOTE e To cancel this operation and return the machine to the initial stage of the maintenance mode during the above procedure press the Stop Exit button e fthere is a pause of more than one minute after a single digit number is entered for double digit firmware switch numbers the machine will automatically return to the initial stage of the maintenance mode Details of Firmware Switches gt The details of the firmware switches are described in Appendix 3 in which the user accessible selectors of the firmware switches are shaded 7 10 8220 SERVICE MANUAL 3 5 2 Printout of firmware switch data Maintenan
251. tage of the maintenance mode a mode in which the machine is ready to accept entry from the keys To select one of the maintenance mode functions listed in Section 2 enter the corresponding 2 digit function code with the numerical keys on the control panel The details of each maintenance mode function are described in Section 3 NOTE e Pressing the 9 key twice in the initial stage of the maintenance mode makes the machine exit from the maintenance mode restoring it to the standby state e Pressing the Stop Exit button after entering only one digit restores the machine to the initial stage of the maintenance mode e invalid function code is entered the machine resumes the initial stage of the maintenance mode 7 1 CHAPTER 7 MAINTENANCE MODE 2 LIST OF MAINTENANCE MODE FUNCTIONS Maintenance mode Functions Function E Code Page 01 EEPROM Parameter Initialization 3 1 7 4 02 03 04 05 Printout of Scanning Compensation Data 2 7 5 06 L 07 08 ADF Performance Test 3 3 7 7 09 Test Pattern 1 3 4 7 8 10 Firmware Switch Setting 3 5 1 7 9 11 Printout of Firmware Switch Data 3 5 2 7 11 12 Operational Check of LCD 3 6 7 12 13 Operational Check of Control Panel PCB 3 7 7 13 14 15 16 Receiver Volume Adjustment 3 8 7 14 32 Sensor
252. ted in the window Select Yes or No if you want this driver to be your default printer and then click Next 34 If this screen appears select Do not share this printer and Next 85 Select Yes and Next to print a test page 36 When this screen appears click Finish 37 If the Digital Signature Not Found dialog box appears click Yes 38 If the test page printed click OK NOTE e There will be two Brother printer drivers listed in the Printers selection e The driver with Printer after the model name ex Brother MFC 8220 Printer is the Brother Native Driver OK The Brother Native Drivers have been installed and the installation is now complete lt For Windows XP Users Only gt Make sure that you followed the instructions in 1 to 16 on pages 2 18 to 2 19 17 When this screen appears connect the parallel interface cable to your PC and then connect it to the machine Plug the machine into the AC power outlet Turn the power switch on Caution Do not plug the power cord before connecting the parallel interface cable It may cause damage to your machine The installation of the Brother drivers will automatically start The screen appears one after another please wait for a while 18 The README file will be displayed Please read this file for troubleshooting information and then close the file to continue installation 19 Check the Run On Line Registration and then click Next 20 When the follow
253. ter Driver Scanner Driver ScanSoff PaperPorf ScanSoff Text Bridge PC FAX software and True Type fonts PaperPorf is a document management application for viewing scanned documents ScanSoff TextBridge which is integrated into PaperPorf is an OCR application that converts an image into text and inserts it into your default word processor Click Install NOTE e If you see the following screen click OK to install the Windows updates After the updates are installed your PC may restart f it does the installation will automatically continue f the installation does not continue automatically please open the installer menu again by double clicking the setup exe program from the root directory of the Brother CD ROM and continue from Step 5 When the PaperPort 8 0 SE Setup window is displayed click Next After reading and accepting the ScanSoft License Agreement enter your user information and click Next Select Typical and click Next Click Install and PaperPort will start installing on your computer When the PaperPort 8 0 SE Registration screen is displayed make your selection and follow the on screen instructions Click Finish to complete installation When the Brother MFL Pro Suite Installation window appears click Next NOTE If an error message appears at this point in the installation process or if you have previously installed the MFL Pro Suite you will first have to uninstall
254. the CD ROM OK A Basic Universal printer driver was installed with the MFL PRO Software Suite which is certified for use with Windows operating systems Brother also offers a fully featured printer driver Native driver that includes more features than the Basic Universal driver However this driver does not include a Windows certificate To install the Brother Native driver proceed to step 25 NOTE For details on what features are available see chapter 2 of the Software User s Guide Brother Native driver Installation 25 Click Start and select Settings and then Printers Click on Add Printer and the Add Printer Wizard will start When this screen appears click Next 26 Un check the Automatically detect and install my Plug and Play printer selection and then click Next 27 Select BMFC Brother MFL Port from the pull down window for the Printer Port Selection and then click Next 28 Click on Have Disk 2 20 8220 SERVICE MANUAL 29 Browse the CD ROM and highlight your language folder and click Open Highlight the W2K folder and click Open Highlight the Addprt folder and click Open 30 Click Open 31 Make sure X ENG W2K Addprt is displayed in the window and click OK X is the drive letter of your CD ROM 32 Highlight the model you are installing from the list of machines and click Next NOTE Make sure you select a USB printer 83 The model you are installing will be lis
255. the current setting No change from the current setting Automatic control of modem s EQM gain for proper transmission speed choice TE For lower transmission speed than the current setting For further lower transmission than the setting made by 1 0 7 Redialing when a communications p m CED detection for CNG stoppage 0 ON 1 OFF NOTE 5 38 takes effect only in the V 34 mode e Selectors 1 and 2 Setting of the equalizer These selectors set the equalizer s training level to be applied if the machine fails to send training due to weak line connection If these selectors are set to 0 X the modem will automatically set the appropriate training level e Selector 3 Sending level of guard tone at phase 2 This selector sets the sending level of guard tone for 1800 Hz to be sent at Phase 2 in the V 34 mode e Selector 4 Stepping down the transmission speed at fallback each This selector determines how much the modem steps down the transmission speed at fallback when called by the remote station If this selector is set to 1 the modem may step down the transmission speed from 33600 bps to 28800 bps by one time fallback e Selectors 5 and 6 Automatic control of modem s EQM gain for proper transmission speed choice These selectors determine how the modem controls the EQM Eye Quality Monitor gain for proper choice of the transmission speed which applies if the modem selects higher transmission speed than
256. the heat roller Clean both electrodes Are the horizontal stripes at 79mm heat roller intervals 3 Are the charge electrodes between the machine and the drum unit dirty High voltage power supply PCB failure Is the problem solved after replacing the high voltage power supply PCB Replace the high voltage power supply PCB Black vertical streaks in a gray background Translucent Is there any dirt on the scanner Clean the scanner stain on the window eic scanner window 2 If it is not effective replace the laser unit Corona wire 2 Is the corona wire dirty Yes Clean the corona wire 2 failure with the wire cleaner 6 38 8220 SERVICE MANUAL White vertical streaks User Check 1 Try to wipe the scanner window with a soft cloth 1 2 The toner cartridge may be damaged Install a new toner cartridge 3 3 Check the machine s environment High temperature and high humidity conditions can cause this problem 4 Damp wet paper might be used Try to change to freshly unpacked paper Dirt on the CIS 1 Is there any dirt on that Replace the CIS Transfer failure Is the transfer roller scratched Replace the drum unit Condensation 4 Has condensation occurred Y Try to print several pages or inside the machine leave the machine 2 hours to allow it to reach room temperature l 10 White horizontal stripes User Check 1 Check the paper used me
257. the possible speed so that it always repeats falling back A 39 APPENDIX 3 FIRMWARE SWITCHS WSW WSW39 Function setting 17 2400 bps 4800 bps 7200 bps 9600 bps 12000 bps 14400 bps 16800 bps 19200 bps 21600 bps 24000 bps 26400 bps 28800 bps 31200 bps 33600 bps 33600 bps 33600 bps First transmission speed choice for fallback Last transmission speed choice for fallback se ei ies l O 2 6 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 oot oOo Hoot 5 39 takes effect only in V 34 mode For the transmission speed setting in other modes refer to WSW19 e Selectors 1 through 8 First and last choices of transmission speed for fallback These selectors are used to set the modem speed range With the first transmission speed choice specified by selectors 1 through 4 the machine attempts to establish the transmission link via the modem If the establishment fails the machine automatically steps down to the next highest speed and attempts to establish the transmission link again The machine repeats this sequence while stepping down the transmission speed to the last choice specified by selectors 5 through 8 If the modem always falls back to a low transmission speed e g 24 000 bps set the first transmission speed choice to the lower one e g modify it from 31 200 bps to 26 400
258. the primary corona wire inside the drum unit by gently sliding the blue tab from right to left several times Return the tab to the home position before you put the drum unit back in the machine If you do not printed pages may have a vertical stripe Home position Fig 5 12 5 5 CHAPTER 5 PERIODIC MAINTENANCE 8 Put the drum unit back in the machine Close the front cover of the machine caution e Handle the drum unit and toner cartridge carefully If toner scatters on your hands or clothes wipe or wash it off with cold water immediately Be sure to seal the toner cartridge tightly so that toner powder does not spill out of the cartridge e Dispose of the used toner cartridge in accordance with local plastic waste regulations e Only unpack a toner cartridge immediately before you need to install it into the machine a toner cartridge is left unpacked for a long period of time the toner life is shortened e Ifan unpacked drum unit is subjected to excessive direct sunlight or room light the unit may be damaged e Use a Brother genuine toner cartridge which is specially formulated to ensure top print quality e Printing with a 3rd party toner or toner cartridge may reduce not only the printing quality but also the quality and life of the machine itself It may also cause serious damage to the performance and life of a genuine Brother drum unit Warranty cover is not applied to problems caused by the us
259. the surface of the halogen lamp e When securing the screw to assemble the halogen lamp connector plate ensure you use the Fu lamp assembly jig ASSY as shown in the figure below to avoid damaging the edge of the halogen lamp Screw pan S P washer M26x8 Halogen lamp connector plate o Washer plain 26 Fu lamp assembly jig ASSY Halogen lamp 4 39 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 13 Remove the HR bearing 25 14 Remove the HR gear 34 15 Remove the HR retaining ring 25 16 Remove the heat roller washer 25 17 Remove the HR bearing 25 HR bearing 25 HR bearing 25 Heat roller 25 Heat roller washer 25 0 4 40 34 HR retaining ring 25 Fig 4 71 caution Never touch the surface of the heat roller NOTE e When re assembling the heat roller 25 to the FU frame upper place the two projections onto the bosses on the frame as shown in the figure below HR gear 34 HR bearing 25 projection Heat roller 25 4 40 MFC 8220 SERVICE MANUAL When re assembling the heat roller 25 to the FU frame upper ensure you do not damage the heat roller 25 with the four separate claw ASSY on the FU frame upper Heat roller 25 Separate claw ASSY Separate claw ASSY FU frame upper Fig 4 73 18 Remove the pressure roller 25 Pressure roller 25 v 7 U frame lowe ua F r lt 2 YO Fig 4 74 4 41
260. tion 1 9V is generated by the 3 pin regulator from 3 3V supplied from the LVPS 1 9V is used for the CPU within the ASIC and the logic circuit 4 24 R134 DAL 5 l us H H 5 e vour 4 ALIS us N TO SORAM ATC P E R 5 9o VOLTAGE DET IC nis 4 t A La 4608 4608 Lis 9113043316 E ad 5 73 BLM1181025P8 C404 BAT P 1 RNY 16V _ C1004 10V10 494 S0 BKUPN 1 d FE3 16V101 5xL11 ET 20 5 11 2 ud L27 k TN 0 0 BLM1151025P8 ad evi NiMH BATTERYUSCELL Fig 3 16 3 9 CHAPTER 3 THEORY OF OPERATION 1 4 Engine PCB The gate array which transforms the serial signal from the main PCB into the parallel signal is mounted on the engine PCB The engine PCB controls the following parts by using the transferred signal data Main motor Fan motor Thermistor Polygon motor High voltage power supply Toner sensor Cover sensor Front regist sensor Rear regist sensor Solenoid Upper cassette sensor Lower cassette sensor Upper paper exist sensor Lower paper exist sensor Lower cassette exist sensor Paper eject sensor Fixing unit cover sensor For the circuit diagram of the engine PCB see APPENDIX 4 7 and 4 8 ENGINE PCB CIRCUIT DIAGRA
261. to the following torque values TAPTITE BIND or CUP B 0 7N m M4 0 8N m TAPTITE CUP S 0 8N m SCREW M3 0 7N m M4 0 8N m After disconnecting flat cables check that each cable is not damaged at its end or short circuited When connecting flat cables do not insert them at an angle After insertion check that the cables are not at an angle When connecting or disconnecting cable connectors hold the connector body not the cables the connector has a lock release the connector lock first to release it 10 After a repair check not only the repaired portion but also all connectors Also check that other related portions are functioning properly before operational checks CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 2 DISASSEMBLY FLOW POWER CORD DRUM UNIT PAPER TRAY REAR COVER C ACCESS COVER BATTERY ASSY 16 CONTROL PANEL ASSY DOCUMENT SCANNER OUTER CHUTE REAR COVER L R AB z Q di SIDE COVER L R gt FIXING UNIT 11 TOP COVER ASSY 12 FRONT COVER ASSY 15 BASE PLATE LV INSULATION SHEET 18 ENGINE PCB ASSY 19 HIGH VOLTAGE PS PCB ASSY 20 LOW VOLTAGE PS PCB ASSY 21 22 FRAME L DRIVE UNIT 23 THERMISTOR ASSY FAN MOTOR 60 UNIT LV FAN MOTOR 60 UNIT 25 FRAME 3 3 1 3 2 8220 SERVICE MANUAL DISASSEMBLY PROCEDURE Power Cord 1 Disconnect the power cord from the mach
262. tput tray Back output tray Side cover USB interface connector Parallel interface connector Fig 1 2 1 1 CHAPTER 1 GENERAL 2 2 1 2 2 2 3 SPECIFICATIONS General Memory Capacity Optional Memory ADF Paper Tray Printer Type LCD Warm up Power Source Power Consumption Dimensions Weight Noise 32 MB DIMM slot Max 160 MB Up to 30 pages 250 Sheets 2010 Laser 16 characters x 2 lines Max 18 seconds at 73 4 F 23 120V AC 50 60Hz U S A Canada Version only 220 to 240V AC 50 60Hz Europe Version only Average Operating Copying 400W or less 25 C Plain paper Peak 1090W or less Sleep 6W or less Standby 75W or less 25 431 x 451 x 335 mm U S A Canada Version only 375 x 451 x 335 mm Europe Version only Without Drum Toner Unit 11 6kg Operating 5 or less Standby 30dBA or less Environment of Installation Site Temperature Humidity Paper Paper Input Paper Output 50 to 90 5 F 10 to 32 5 C 20 to 8096 without condensation Paper Tray e Paper type Plain paper Transparency Paper size A4 Letter JIS B5 A5 ISO B5 A6 LGL ISO B6 EXE Weight 16 to 28lb 60 to 105g m Maximum number of paper to be loaded Approx 250 sheets of 2016 80g m Manual Feed Tray Paper size Width 201 2 75 to 8 66 69 8 to 220 0mm Height 4 60 to 14 02 116 0 to 406mm Weight 16 to
263. tton in this order NOTE The Enlarge Reduce button does not work when the machine is in the retry mode or the timer function is set 2 Press the 0 key 3 Enter the desired function code 10 11 12 54 80 82 87 or 91 with the numerical keys For function code 10 access the desired firmware switch according to the operating procedure described in Appendix 3 4 To make the machine return to the standby state press the Stop Exit button MFC8220 Enlarge Reduce button Menu button brother 529 MFC 8220 ax ax Secure Job Cancel Clear Back Menu CoPY Copy Fax Enlarge Hook Reduce eo Search Redial Quality Options Speed Dial Pause Start Stop Exit 0 Stop Exit button Fig 7 1 7 3 CHAPTER 7 MAINTENANCE MODE 3 DETAILED DESCRIPTION OF MAINTENANCE MODE FUNCTIONS 3 1 EEPROM Parameter Initialization Maintenance mode 01 91 Function The machine initializes the parameters user switches and firmware switches registered in the EEPROM to the initial values Entering the function code 01 initializes all of the EEPROM areas but entering 91 does not initialize some areas as listed below Function code 01 91 Data item Maintenance mode functions User switches These will be initialized Firmware switches Remote activation code These will not be initialized Station ID data All of these will be n
264. ty rough surface bumps are likely to be formed and solder dragging Poor solder elevation Poor thermal conductivity and heat resistant difficult to melt 2 Metal composition amp wire solder The metal composition of lead free solder allowed for use on PCBs for Brother s products is following LF Compositon Manufacture Origin Name Indication r 1 Sn Ag Cu Nihon Japan DHB RMA3 Genma NP303 H only Sn Ag Cu Nihon Japan DHB RMA3 Component Genma NP303 side We use wire solder which is indicated by digit after LF indication on PCB Wire solder made in the contries except Japan are under investigation and will be evaluated Appearance quality criteria The appearance of the surface of portions soldered with lead free solder is basically the same as that for those soldered with conventional lead tin solder except for the following points 1 The surface of a portion soldered with lead free solder is dull and not smooth 2 Shrinkage cracks can be observed on the surface of a portion soldered with lead free solder They can be observed using a magnifying glass with approx 10x magnification Figure Shrinkage Cracks Identification of lead free solder on PCBs For PCBs that use lead free solder LF is indicated by silk screen printing or attaching a label LF stands for lead free and indicates that the PCBs bearing such an indication have been soldered with lead free solder digit is given
265. um 2 1 3 11 Panel I O The interface with the panel PCB is by full duplex synchronous serial method PANEL 9 0 19 24 5 9 L25 iv cael C103 R236 ovo e t 3 av 4 TQ PNL SOIN 4 lt C217 1 cies 123271 mese mS Set sor R239 ev iy mE D 100 cest e 173273 R240 w PNL RSTN PSTN 100 9v Te W E 74 ag ate PSEN cool peaa s 100 meee ev ev Fig 3 13 1 3 12 Video The video signal output from the ASIC is reversed through a transistor and output after being corrected by the buffer IC LD _ BLMIEFK2O4SNID 16081148 Ey amar 1508 L19 22 4 L20 py 92 122 92 itm 121 25 ge IL FPC 5ST N Fig 3 14 3 8 1 3 13 Scanner control CIS CLK 1 3 14 Power supply 15 76 gt 2012 3 Mie le cee 10V MFC 8220 SERVICE MANUAL CIS CN3 35v C102 C104 UNR1V100MDA1FA CO 5xL14 C104 SMG10VB 100M C Rev O Ls 1 5 2 amies 1608 15 A t NE 5 is generated by the 3 pin regulator from astable 7V supplied from the LVPS 5V is used for the IEEE1284 interface the LD PCB and the engine PCB In addi
266. unit Drive unit Taptite cup S M3x6 LD harness 5P pi or i e Sub gearplate 0 P 24 9 5 IN li M3x6 e A bind B 4 12 Main motor ASSY 2d acm nd sprin Taptite cup S M3x6 6 Fig 4 109 4 60 MFC 8220 SERVICE MANUAL 11 Remove the four cup S M3x6 Taptite screws and then remove the main motor ASSY 12 Remove the develop joint and joint spring from the drive unit 13 1 14 Remove the gear 25 130 and fuser drive gear from the drive unit Release the two hooks from the develop joint and remove the joint stopper Gear 25 130 Fuser drive gear Taptite cup S M3x6 Main motor ASSY Taptite cup S M3x6 Develop joint Joint stopper Drive unit Fig 4 110 15 Remove the gear 40 54Y gear 17 planetary gear 45 arm F R and gear 20 center F R from the frame L J Gear 40 54Y E i D E Gear17 45 20 planetary arm F R center F R Fig 4 111 4 61 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 16 Remove the bind B M3x10 Taptite screw 17 Remove the P R solenoid ASSY the P R solenoid lever and the solenoid release spring P R 18 Remove the bind B M3x10 Taptite screw 19 Remove the F R solenoid ASSY and solenoid release spring F R Solenoid release 22 spring F R lu F R solenoid ASSY TI
267. unit No Replace the high voltage power supply PCB NOTE This problem may disappear after printing approximately 5 pages of completely blank sheets Is the problem solved after replacing the drum unit How to clean the pressure roller Clean the pressure roller as follows 1 Setten or more sheets of paper in the paper tray 2 Check the absence of paper in the ADF and the paper tray 3 Press Copy button to copy and repeat it five times 4 4 Check whether any stain are observed on the back of paper or not 6 36 8220 SERVICE MANUAL te Black and blurred vertical streaks L LP 1 Clean the corona wire in the drum unit 4 2 Check that the corona wire cleaner is at the home position 3 Check that the toner cartridge is not empty 4 5 The drum unit may be damaged Install a new drum unit WH The toner cartridge may be damaged Install a new toner cartridge 1 Y Dirt on the Is there any dirt on that scanner window Dirt on the white Is there any dirt on that tape Dirt on the CIS 3 15 there any dirt on that Corona wire 4 Is the vertical block streak failure about 10mm wide eS Clean the scanner window Clean the white tape Replace the CIS Return the wire cleaner to its home position Check if the wire cleaner is at its home position Replace the drum unit Replace the drum unit Replace the fixing uni
268. urring on es Replace the CIS CIS replacement PCB CIS unit Is the scanner harness No Reconnect the connected securely connector correctly Check if there is any play in the connection 6 34 8220 SERVICE MANUAL 1 4 All black User Check 1 Clean the corona wire of the drum unit 2 The drum unit may be damaged Install a new drum unit Corona wire 1 Is the corona wire dirty Clean the corona wire 2 failure with the wire cleaner Is the corona wire broken Replace the drum m unit 3 Are the charge electrodes Yes Clean both electrodes between the machine and the 3 drum unit dirty Harness 4 Is the laser unit connected to connection the main PCB correctly High voltage 5 Is the problem solved after Replace the high power supply replacing the high voltage voltage power supply Yes Yes Connect the harness between the laser unit and the main PCB correctly PCB failure Main PCB Is the problem solved after failure replacing the main PCB CIS unit 7 Is the problem occurring on CIS replacement power supply PCB PCB Replace the main PCB Replace the CIS Yes Yes 6 35 CHAPTER 6 TROUBLESHOOTING 1 5 Dirt the back of paper Fixing unit dirty Is the pressure roller dirty Clean the pressure roller referring to the following Is any other area in the procedure machine dirty Dirt in the drum Is the transfer roller dirty Replace the drum unit
269. usual 5 7 CHAPTER 5 PERIODIC MAINTENANCE Change of print density Bias voltage 1 1 1 0 1 1 1 1 1 1 1 Dense 1 1 1 Print density when the toner cartridge is replaced at A psp seeks Print density Print density when the toner cartridge is replaced at B Light 1 1 1 1 1 1 1 D 1 1 1 1 1 1 T 1 1 1 1 1 Toner Low Toner Empty Toner consumption In order to deal with this unexpected usage and maintain the steady print density the machine can be initialized the developing bias compulsorily in the following procedure lt Initialization Procedure gt 1 Open the front cover 2 Press the buttons in the following order Clear Back 0 zero zero 3 Close the front cover 5 8 MFC 8220 SERVICE MANUAL 2 PERIODICAL REPLACEMENT PARTS Periodical replacement parts are the parts to be replaced periodically to maintain product quality These parts would affect the product quality greatly if they lost their function even if they do not appear to be damaged or there is no change in their appearance The periodical replacement parts listed below should be replaced at the service center referring to the service life For the procedures to replace these parts refer to CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY Service life Replacement Fixing Unit 115V LM2579001 80 000 pages 0 X See subsection 3 14 in Fixing Unit 220
270. ute ASSY 21 Remove the roller 6 pressure roller shaft and roller 6 guide Roller 6 Pressure roller shaft Taptite shoulder bind B M3x7 5 oC chute guide ASSY Front tray chute ASSY p Taptite shoulder bind B M3x7 5 Fig 4 100 4 55 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 22 Remove the two bind B M4x12 Taptite screws and then remove the chute 3 Taptite bind B 4 12 Chute 3 Fig 4 101 23 Remove the feed roller gear 24 Remove the bearing F R 25 Remove the feed roller gear shaft Bearing F R Hook 55 Feed roller gear shaft Bearing F R Frame Feed roller gear Fig 4 102 4 56 MFC 8220 SERVICE MANUAL 26 Release the hook of the bearing 5 and then slide the feed roller ASSY in the direction of the arrow 27 Remove the feed roller ASSY 28 Remove the joint 5 and the bearing 5 from the feed roller ASSY Z9 Bearing 5 Feed roller ASSY Joint 5 Ae Hook Bearing 5 Fig 4 103 NOTE Be careful that the different direction installation causes jam when you install joint 5 See the figure below If the joint 5 is mounted in a wrong orientation it might cause a paper jam Joint 5 Fig 4 104 CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 29 Remove the chute cover Chute cover Fig 4 105 30 Remove the regist front actuator and regist front actuator spring 31 Remove the regist rear actuator and regist rear actuat
271. vailable Upgrade using IPX SPX protocols is available Upgrade using the Brother BRAdmin utility is available BRAdmin Professional when using Windows 95 98 Me Windows NT 4 0 Windows 2000 XP Port drivers supporting Windows 95 98 Me Windows NT 4 0 Windows 2000 LRP port drivers when using Windows 95 98 Me Windows NT 4 0 NetBIOS port drivers when using Windows 95 98 Me Windows NT 4 0 Windows 2000 XP SMTP port driver when using Windows 95 98 Me Windows NT 4 0 Windows 2000 XP Web BRAdmin Professional Not included in the CD ROM Uploaded to the Web site For more information on Web BRAdmin Professional please access http solutions brother co jp Paper Feedable paper 1 Type Type Paper tray Manual Lower tray Selection from printer driver Tray 1 feed tray Tray 2 Plain paper Plain paper or rather thick plain 60 to 105 g m 16 to 28 Recycled paper Plain paper or rather thick plain paper Bond paper Thick paper Thick paper Post card or 105g m to 161g m extra thick paper 28 to 4310 Transparency up to 10 I A4 or Letter sheets Labels Plain paper or rather thick plain A4 or Letter paper Envelope Envelope thick envelope thin envelope Post card Thick paper Post card or extra thick paper 1 5 CHAPTER 1 GENERAL 2 Size Paper tray
272. version only e Selector 4 Duty cycle control of pulsed current for the heat fixing unit Setting this selector to 1 activates the duty cycle control that suppresses the rush current The duty cycle is 10 ms ON and 20 ms OFF However the duty cycle control may emit switching noise to the AC line Depending upon the codes and regulations in the country this selector should be set to 0 A 33 APPENDIX 3 FIRMWARE SWITCHS WSW WSWS31 Function setting 9 Default reduction rate for failure of automatic reduction during 0 ON 1 recording 3 6 7 Minimum short OFF duration in distinctive ringing 0 130ms 1 90ms CHANGE DRUM SOON message e Selector2 Default reduction rate for failure of automatic reduction during recording This selector sets the default reduction rate to be applied if the automatic reduction function fails to record one page data sent from the calling station in a single page of the current recording paper If itis set to 0 the machine records one page data at full size 10096 without reduction if it is set to 1 the machine records it at the size specified according to the current paper size e Selector 5 Minimum short OFF duration in distinctive ringing The ringer pattern consists of short and long rings e g short short long rings This selector sets the minimum OFF duration following a short ring in order to avoid missing ringer tones in distinctive ringing If th
273. vo p 17 18 S SLW15R 1C7 5 5 19 5 8mm Pitch 44 g 20 21 lt FSEN 3A c102 R14 200 POLK Be i cia C404 MAIN SD IN 22 O SOV 2 li d R16 100 c21 C104 5 MAIN SD OUT 1C sov de 918 100 ue xm cea LCD CONTA LCD CONTB DTC114YUA Vf MIN 4 V Tf MAX 5 0 1 05 1 0V 2402 x 95 8 7mA 18 7 18 7mAx 2402 x 95 07396 12 5W MAX A 58 8220 SERVICE MANUAL ircuit Diagram voltage Power Supply PCB 4 12 Low Ix Append iD 5000 Bs ADS TOD 0 as 25 YZH POH 000 3 3097 OEF TOE 9000 EFOH Hy 1032 gona unszi vao 2004 59 APPENDIX 4 CIRCUIT DIAGRAM Appendix 4 13 High voltage Power Supply PCB Circuit Diagram 100V Or N19A R407 R406 t R415 8414 1 0193 uber R418 R102 0102 AN KH 9403 TYE Cge5 R202 8201 T 1
274. y inserted Receive mode Receive mode is set to Set the receive mode to setting automatic receive mode automatic receive mode NCU PCB 2 Replacement of NCU PCB Yes Replace the NCU PCB with solves the problem a normal part Main PCB 3 Replacement of main PCB Yes Replace the main PCB with solves the problem a normal part 6 27 CHAPTER 6 TROUBLESHOOTING No bell ring Ring delay Ring delay is set to 0 Set the ring delay to other than O Ring volume 2 Ring volume is set to OFF Yes Set the ring volume to other than OFF Connection 3 Main PCB and scanner unit No Fix the connection properly between main are properly connected PCB and scanner unit Harness 4 Harness wire is damaged Yes Replace the harness with a between main normal part PCB and scanner unit Connection 5 Main PCB and NCU PCB are No Fix the connection properly between main properly connected PCB and NCU PCB Harness 6 Harness wire is damaged Yes Replace the harness with a between main normal part PCB and NCU PCB Speaker 7 Replacement of speaker Yes Replace the speaker with a solves the problem normal part NCU PCB 8 Replacement of NCU PCB Yes Replace the NCU PCB with solves the problem a normal part Main PCB 9 Replacement of main PCB Yes Replace the main PCB with solves the problem a normal part 6 28 8220 SERVICE MANUAL Speaker is silent during on hook dialing
275. y selectors 3 and 4 it interprets the Ci signal as OFF e Selectors 5 and 6 Detecting time setting These selectors set the time length required to make the machine acknowledge itself to be called That is if the machine continuously detects calling signals with the frequency set by selectors 1 through 4 of WSW14 during the time length set by these selectors 5 and 6 it acknowledges the call A 18 8220 SERVICE MANUAL WSW13 Modem setting Cable equalizer Modem attenuator 1 2 3 4 Reception level 5 8 The modem should be adjusted according to the user s line conditions e Selectors 1 and 2 Cable equalizer These selectors are used to improve the pass band characteristics of analogue signals on a line Attenuation in the high band frequency is greater than in the low band frequency Set these selectors according to the distance from the telephone switchboard to the machine e Selectors and 4 Reception level These selectors set the optimum receive signal level e Selectors 5 through 8 Modem attenuator These selectors are used to adjust the transmitting level of the modem when the reception level at the remote station is improper due to line loss This function applies to G3 protocol signals Setting two or more selectors to 1 produces addition of attenuation assigned to each selector This setting will be limited if selector 8 of WSW23 is set to A 19 APPENDIX 3 FIRMWARE SWI

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