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Brother FAX-8650P User's Manual

Contents

1. 1 2 3 NZ 4 5 6 P20 52045 1245 TENSHAHL 3 P5 5V 14B TNR 5V 2 8V 0 Q 12 Q 1 8 TNOR eed ape 14 5V TENSHALL ao gt Bec P16 4 cc104 ors 15A DTC114YK c28 i E R152 3 A Coin MTD2003F 2 1Ma l i a22 od ES sov 15 28 4 PM1 27 voc VCC DO 3 Gre SV 14A SE N1 01 G R121 B4B PH Ed 14 A Lom 1 Nae 02 SOTHR 10KF P M2 5v 17 1 15A SJ id 14A D N38 03 PM4 16 C106 R202 14a Dli na 19 04 12 cc102 MSIL 25 Ke 110 GEN BOL pag EXE 4 2w 14A D gt 10 VmA 2 70 MTDI 1 18 14B gt VmB sov VsA TAI DENL Q4 SS Sp E 9 dee ES cc104 R49 7 DTC114YK 224 FPC 5 ES SNC VsB 1 AN 1283 C145 18K 24 85V HT CIR Rs B L 6 A 220 sov C48 3 UA PO cc332 10 Ne pan R119 s sov 9 Nne n ce A Oo ELL LOCK 4 7K 24RET 2 Sov M24 195 9 15A lt 4 NO NG 12 24RET c107 LG PG NGA Q5 UMGSN
2. ASI CMFC2 ear L 118 18 RVDD 5 3 ee P B 5 RVDD e 5668 RING 3 FANI HAI SI 94 65 MSIL EE E 74c X ZRI NG sense Casen 510 SENG PA3 5554 ssc 9B 141 00100 Z c99 738 CHE rel sponte SPOON 55 4 4 p ect 39 mc E pmi E PMI san 228 220 C19 5 GR EIER MUTE RNG 0 PM2 71c Q 91 ENS p71 H 5756 as o HAST mas tT P m2 55 s1 ODDE 121 1579 bev HA3 SE box 220 CH IS EN 2 39 GE rock P ms Hd C 58A 5100 SE 125 de za atccon H Ja o PAREC gelen oro pos 33 DC ai 46l pour PASS ER PM4 Mega es OVER 126 NM a JOE m HOOK D o 10D 82 uo 014207 330 D EH E ES SEU EE LED ee aA 87 Wiis p131299 4 32a 340 EE 56lsmpc cmp pB ASENA 330 SA ssl SEND A 720 gt 9 p wun pi 2 H e 53 cQOQ MPRA 35 MPRA sor KZ SOL Case aed D sr EEH EI w POL 88 204 CMPRB 36 SCN 101 SCCK 110 100 D gt Ee d 58c 5 cMPRB 53B 84 13 a sch 7 RET CLK24 E aas SE CLK 45 maya t AN2 CK32 AAA T 72AL gt ci D10 35c ANN NN Y CLK24 DRI VE 5538 UR es SCDT Se e TLOF len vs E92 R114 200 s4cC E SS vool2
3. 1 2 3 WV 4 5 6 NCU1 P14 B12B PH or 9210B 1 15Z R242 00 M5 V MSV 24R 43 O 5V Fe y ASSY FAX3750 MFC7750 Q21 DTC114YK 17 C31 10 C86 12 O 24V 74HC4053 CC104 KESA CC50C104 12B 22 45 e 7 s 11 CMLL oa 8 R76 6800 y C142 CC181 3 lt D128 5V R82 240K WA R83 c104 R80 R79 SPAMP ES 10K g A 120K 22K 7ec E if Vin Vot TLOF 2 124A R191 8 2 Vref Vo2 ge gt C838 CC681 4 AA 12A Li BLM11A20 C147 E O 1 C62 L 124 718 1 L3 BLM11A20 sov celos E i 5 59N YN ER R94 56K C82 R41 13A R246 _ Sov vw R9 3 CNT 1 5K 411 cc104 111 TXO oa TEC 10K gt A NJM2113 1736 13 IL 15 ER T Ca P7 TLRL 14 a 2 alt 10K B2B PH A 4 oF 03 2 16 3V BLACK MODEM R239 24R pcd 00 RNG 10 H 2 o P2 e R100 3c K1324 Pr MOV EM R77 00 TESE 1K 74HC4053 TADH _ 5 1738 1 10w R95 420 o R240 uuu e Sy an ee eet iu 430k RINGO WA EC R32 10 Kr 750 1 oa CNT Li RL1 I TLSL L 114 R241 7801 Q20 I 728 gt o load c11 10K DAREG_ DTC114YK ZD5 2 mada q 100P 6 3v TB APR TLSW ZD3 ZD4 MTZ8 2 0 RL2 2 0V 2 0V 7 gt 73c I repi K Ne I I MOV 17 1
4. 1 2 3 WV 4 5 6 R5V 24V o o 5V P19 o CIS R183 R88 100 200 1 4w R12 09 K 1 0 Y5V R87 0133 Q24 6 300 10M 2SC3928A Suv ROV EN LED e C143 lt 138 CC104 RILAT e C150 677 a ze 50V r 10K a CC104 SCH 28D1858 C116 T sov a ecis T 5V o 1w o 20 3020 ROV O UR229 R244 SMPC sov ER 13A LC82103 R253 R254 sov vw D 11 2009 L241 CLK1 Cs i5 EU R230 SEV 30 ax tev 10A DAREFH VDD oa 5 TG 38 24 40 DB APO DAREFL VDD gt 358 RTAS Gd 328 U lan von E z 1 2700 4 70 1 10W R5V 2 0 50 A O v5v o E 41 9 _lcio9 C132 ATAP GND EE DH gt n 37 17 100M 10v Soy aes Epa ADREFL GND so oa Dons det ano ES C74 C100 R30 180 45 49 CC104 CC104 VID c APO 70 WN 9 D 358 09 33B lt apo GND S 44 64 i i Eu AP1 GND B7B PH Els KEN R248 o 43 7 Dok o R5v O AVDD SD PD7 sov ale C154 By Ric eg 48 FE FE AP 2 PD6 alo 22K 34 50 d ore AP3 PD5 CC104 36 51 Sou AGND PD4 sov 46 52 Rov O AGND PD3 53 PD2 RovO TG 31 54 R255 00 13B TRIG PD1 SMPC 30 55 PD 13A LCLK PDO 5138 CSIP R225 29 57 13A gt LOCS pack PO S0v A9 y 58 R227 22
5. 1 2 3 VW 5 6 acht C18 CC104 IL o R15 SGND 2 MONET 0 5V ec C20 ROM CC104 vss 44 CB Cli C3 C4 C5 C6 C7 Send M TE voo 43 T T M e O LPD65612GB vo 2 R8 R7 R9 L2R142R132R112R10 BST MER RS 11 Sc 7KS47KS47KS47KS47KS47KS 47K 37 niw 409 P2 52089 1520 PON Ee E g 52089 1420 E KILO DBO 14 Kio LCDO 35 8 Kia 5 34 DB1 COG 12 A KI11 LEDA 7 KI 2 6 33 DB2 10 Kl 2 LCD2 6 KI 3 7 32 DB3 8 A KI18 LCD3 5 KI 4 8 31 DB4 6 KI 4 L CDA 4 KI 5 9 30 DB5 4 KI 5 LCDS 3 KI 6 0 29 DB6 2 KI 6 LCD6 2 28 DB7 KI 7 LCD7 1 P3 P4 53025 0610 53025 0810 FSEN PINO koo Le Icon 1 af Kim ZAIN z a 1 SAND PIN ee A KO 5V ae gt CC104 neg oum 14 KO2 P1 4 4 100K M Xx Ko2 t 5 SGND 15 KO3 52089 1520 5 5 OO OSGND KO3 e Em 7 3 3 SIDO UT An pe SDIN KO4 9 SDIN RAR 18 KO5 2 2 S 470 SDOUT KO5 em e mm 11 1 y Peti AAA 470 PCLK KO6 o 13 6 6 RSEN SGND TSTH KO7 20 oe 15 7 MI C T 621 C9 a WU E cc1ot Poe FPC T F pos cik c14 13 C17 43 C22 C23 Pos CC Sat tt tate t seng CC681 cciot 5 DO I VDD PO3 1 P5 BY PO2 5 CC102X8 GND PO S2B PH K 2 GND Poor 1 MIC 9 SGND SS LED R
6. 1 2 3 WV 4 5 6 5V o C1 EN a s wi CC104x4 16V 10K o ol ol o P1 o R288F 9210B 1 20Z Sov 40 VSS VDD Fog C18 CC221 TT yss voo CT Lo To VSS VDD vss R11 100K ABUS Cl C16 R6 23 RIN Ao AR DA 11 2 R41 00 A2 POS 434 24 1 H VREF ngi as vo 63 A5 1 AR 3 ca A4 R7 2 10K 16V RLYA DRBUS ga R25 ER RLYB DRBUS AREF BA14741 14 DOR YE HZU5 1B1 RI NGD Pols oral C5 SPKR Dir DOR 10M 16V cc104 Da i e Be oH iy D3 DIR NM 68 D4R 42 NC d 1 ba 5V o N NO pos D5 Ry D2R 4 MOV Mey S nc pe LOZ Deh 44 Hc p L8 278 D3R N 3 8 NC R36 lt A Nc DAR A MAIN 10K s nce 59 P12 3 RS ae MRST D5R el nce POR e Disc 39 Nc 62 MCE cs BD D 16c D6R 5V Se rote D16c NC We eE TY aded D R 5 R38 10K MI NT R37 Kassel rra 160 10K Sal OTR Mess H DSR x52 158 54 XTCLK 13 52 XT MCE teal RDCLK 5v0 148 D GPo Toor KP A RXD S Rod BI 148 RP R13 21 Txo H 150 XT1 TOKE ms v O ADD RL SDN Tos 56 448MHZ ER CA 37 14B c9 CTS AN ECH 1008 22 RTS c7 MI NTH cc221 6 3V 30 AGND 5V 148 D gt MOV AGND CC6P R9 C17 Ce Be A Sekt CC104 ev eevee PES TER R40 cc12P 47 10K TXO E 26 li yao EYECLK EIN 248 X a EYEXY PA CA e e TXA1 Ce BD N LU ke 2 R8 C cc S 19 103 R10 2 2PH BA14741 56KF CC104 T a R12 M0 V Oh sov TT 10KF 4 Re S sov NOT ASSY CC221 MoV Gi Sov MOV O R34 AREF NOT ASSY M0 V
7. Enter the desired number using the 0 and 1 keys Press the Set key This operation saves the newly entered selector values onto the EEPROM and readies the equipment for accepting a firmware switch number Repeat steps 2 through 5 until the modification for the desired firmware switches is completed Press the Set or Stop key to return the equipment to the initial stage of the maintenance mode NOTES To cancel this operation and return the equipment to the initial stage of the maintenance mode during the above procedure press the Stop key f there is a pause of more than one minute after a single digit number is entered for double digit firmware switch numbers the equipment will automatically return to the initial stage of the maintenance mode E Note The user accessible selectors of the firmware switches are shaded in the tables given on the following pages Detailed Description for the Firmware Switches WSW01 Dial pulse setting Dial pulse generation mode Break time length in pulse dialing 60 ms 67 ms 40 ms for 16 PPS 64 ms at 106 ms intervals Inter digit pause iia ua uu ua oow rt OO zb OO sch OO Olish OO zk OO Ich O ON Switching between pulse DP and tone PB dialing by the function switch Default dialing mode pulse DP or tone PB dialing Selectors 1 and 2 Dial pulse generation mode These selectors set the number of pulses to be generated in pulse
8. The U S A or Canadian versions allow the user to select the desired paper size from the control panel According to the paper size setting the equipment determines the reduction rate Other versions can handle only A4 size paper so the reduction rate is always 87 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 this selector is set to 1 when the short OFF duration is a minimum of 90 ms long then the equipment will interpret the short OFF as OFF WSW32 Function setting 10 Standard Fine Super fine Photo Automatic Super light Super dark Default contrast A A OH dl OO OO O 20x0 20u00 1 4 No 5 6 Default resolution 7 8 Selectors 5 and 6 Default resolution These selectors set the default resolution which applies when the equipment is powered up or completes a transaction Selectors 7 and 8 Default contrast These selectors set the default contrast which applies when the equipment is powered up or completes a transaction WSW33 Function setting 11 EE 0 Report output of polled trans mission requests NOTE Selector 6 is not applicable to the U S A versions 1 3 4 P 14 400 bps FAX receiving speed to be kept 12 000 bps i within the transmission
9. FILL5R20 0PN E ER LJ IE o SP2 EARTH 5 stop C21 JW16 10 P2 D5 CC104 VERA ond R36 13KF PLS pe Aa mes 4L I 4 ya P2 PH5 l I R54 PS2533 8200 boh g 3 R55 O R6 K Soy 100 S 12 2W y P1 R56 2K e 1 P1 1 EM 47K 5 E ELSE 3 Ge OREF sov R48 E EL5 xR2 00P AN e PER 2VX2 22K DASND a SP10 P2 3 IN 27K 4 qoe H R45 qi Ci 5 L6 3 9K Ps a 4 SP7 R4 Chi 1PH4 JP7 C POL k IW 6 8K YZ ITLP621GR 5 5V C7 op LS Xy P2 5V MCA TE Kl 2 3 EC o ON 204 ZD5 RE jaws oie 5 vo 3 R62 JW33 Be 18VX2 sov 10 P1 e SERERE 3 R44 S0VO 2 4 5V 5 4W15 5 J4W17 10 JW29 10 3 9K C6 P1 JW35g D cto SCH SOV JW3 5 JW4 10 JW18 10 JW26 5 AE 24V ei c HA JW28 5 JP3 C JP10 C AYE ee C24 FLOR P1 A d ge nee 24V JW27 10 JW31 10 JP12 C PI hy EE 200PN 8 REF JW1 5 JW2 5 JW11 10 JW14 5 s S SON B128 PHK Ni a JP2 C JP5 OC SO P2 V REF REF SIGNAL JW21 5 JW22 10 JW23 10 JW24 10 B6B PH K REF Sai R19 Was TAL Eer T C17 PTELSL R49 R34 Tay C22 SP11 oy j JP6 2 R38 C195 C NCU PCB 1 2 C FAX 8650P Germany U K Norway P3 sov FFG Switzerland Sweden v FAX3750 Australia New Zealand 1 2 3 4 5 6 SHOWS UN UG4668 0XX UG46698 0XX UG4677 0XX NCU363EURIAV34 NCU3637 EURIBV34 NCU3ZB37 EURICV34 03 10 04 26 06 07 E GER SW I UK SWE ARL NOR PH3 TLP620G
10. Gear drive unit Drum grounding board High voltage power supply PCB IV 44 2 LUBRICATION Apply the specified lubricants to the lubrication points as shown below Lubricant amount Lubricant type Manufacturer Thin coat of grease Half of a rice sized pinch of Rice sized pinch 1 mm grease 3 mm of grease 6 mm Molykote EM 30LG or EM 30L EMT Dow Corning Conductive grease FLOIL GE676 Kanto Kasei Ltd Document feed roller ASSY Document ejection roller ASSY IV 45 2 Control panel locks Control panel lock leaf spring O WA Scanner frame ASSY Control panel lock leaf spring Scanner frame ASSY 3 Scanner frame ASSY and separation roller gear Separation roller Separation roller gear Separation roller support Scanner frame ASSY placed upside down Scanner frame ASSY placed upside down IV 46 4 Top cover lock spring Top cover lock spring Main cover 5 Gear drive unit Gear drive unit G Apply grease to the top edge of the motor Main cover Motor bracket IV 47 CHAPTER V MAINTENANCE MODE CONTENTS ENTRY INTO THE MAINTENANCE MODE 2 cseseeceeeesseeeeeseseeeeeseneeeeeees v 1 LIST OF MAINTENANCE MODE FUNCTIONS cesses v 2 DETAILED DESCRIPTION OF MAINTENANCE MODE FUNCTIONS V 4 3 1 EEPROM Paramet
11. Note The equipment can store a maximum of the latest 30 incoming caller IDs together with the reception date and time in the memory Selector 8 Beep when the memory area for the activity report becomes full If this selector is set to 1 the equipment will beep when the memory area for the activity report becomes full as well as displaying a message on the LCD prompting the output of the activity report WSW30 Function setting 8 Not used 1 7 CHANGE DRUM SOON message 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 WSW31 Function setting 9 Default reduction rate for failure of 0 100 1 75 Letter automatic reduction during 87 A4 recording 95 Legal Minimum short OFF duration in distinctive ringing 0 130ms 1 90 ms LN Selector 2 Default reduction rate for failure of automatic reduction during recording 3 d qm o o 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 it is set to 0 the equipment records one page data at full size 10096 without reduction if it is set to 1 the equipment records it at the size specified according to the current paper size
12. 3 6 Operational Check of LCD E Function This function allows you to check whether the LCD on the control panel works normally B Operating Procedure 1 Press the 1 and 2 keys in this order in the initial stage of the maintenance mode EE TITITITITI TITI 2 Press the Start key Each Start key time you press the Start key the LCD cycles through the ICC displays shown at right Start key Start key 3 Press the Stop key in any process of the above display cycle The eguipment beeps for one second and returns to the initial stage of the maintenance mode 3 7 Operational Check of Control Panel PCB W Function This function allows you to check the control panel PCB for normal operation B Operating Procedure 1 Press the 1 and 3 keys in this order in the initial stage of the maintenance mode The 00 will appear on the LCD 2 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 equipment beeps and displays the INVALID OPERATE on the LCD To return to the status ready to accept key 8 button entry for operational check press the Stop key 3 After the last number key or button is pressed the equipment beeps and returns to the initia
13. 1 to 10 times 2 to 10 times 3 to 5 times 4 to 10 times AA zb sch zb zb sch zk OO OO OO OO OO A OO O GOlch 2 OO OO A AA zb ch OO OO Och sch zk 00 00 OI SS ofl OO ch OND ch zk OO Osch ch OO Osch sch OO OO ch zk OO ck OO sch OO sch OO ch Osch OO ch OO ch OO ch OH 0 1 2 3 4 5 No of rings in AUTO ANS mode 8 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 Selectors 5 through 8 No of rings in AUTO ANS mode These selectors set the number of rings to initiate the AUTO ANS facility WSW15 REDIAL facility setting 5 minutes 1 minute 2 minutes 3 minutes Selection of redial interval OO OO OO OO Gol O O OO OO OO Si O ON 1 1 1 1 Redialing for no response sent 0 Rediali 1 Norediali from the called terminal SE EE E mete ooo o o NOTE Selector 7 is not applicable to the U S A Belgian and Swiss versions 1 2 i 16 times 3 1 times No of redialings 1 2 times 6 3 times 15 times Selectors 1 through 6 Selection of redial interval and No of redialings The equipmen
14. Main PCB At the printer side Replace the toner cartridge with a new one and print 4 to 5 pages If the problem persists proceed to the next step Remove the toner cartridge and start printing If printing takes place clean the toner sensor or replace the toner sensor PCB Clean the high voltage contacts for the transfer roller on the drum unit main cover and high voltage power supply PCB Contacts in the illustration given on page VI 23 Clean the high voltage contacts for the developer roller on the drum unit main cover and high voltage power supply PCB Contacts in the illustration given on page VI 23 Clean the grounding contacts on the drum unit gear drive unit and main cover Contacts and inthe illustration given on page VI 23 Check the connection of the main high voltage flat cable Replace the drum unit Replace the high voltage power supply PCB Replace the main PCB At the scanner ES LZ Hn Main PCB E SA At the printer side Slide the wire cleaner tab to clean the corona wire inside the drum unit Clean the high voltage contacts for the grid and corona wire on the drum unit main cover and high voltage power supply PCB Contacts and in the illustration given on page VI 23 Replace the drum unit VI 19 5 Black and blurred vertical At the scanner stripes Check the following components H CIS unit LP At the printer side LP Clean the paper path which may be contaminate
15. WSW27 Function setting 5 Definition of programmable key 0 TELkey 1 TEL POLLING key Ringer OFF setting 0 Yes 1 No AT 4 Detection of distinctive ringing 0 Yes 42 No pattern Not used NOTE Selector 1 is not applicable to the U S A versions Selector 1 Definition of programmable key This selector defines a programmable key as a TEL key or TEL POLLING key Setting this selector to 1 allows the programmable key to function as either a TEL or POLLING key if pressed when the handset is off or on the hook respectively This setting is effective only for those models having a programmable key Selector 2 Ringer OFF setting This selector determines whether or not the ringer can be set to OFF Selector 4 Detection of distinctive ringing pattern If this selector is set to 1 the equipment detects only the number of rings if it is set to 0 the equipment detects the number of rings and the ringing time length to compare the detected ringing pattern with the registered distinctive one WSW28 Function setting 6 Transmission level of DTMF high band frequency signal Transmission level of DTMF low band frequency signal zb sch OO Osch ch OO 0 OI ch sch OO OO ch ch OO OM zb OO ch Osch OO ch OO ONlch 00 000 4 0 0 0 0 1 1 1 1 4 0 0 0 0 1 1 1 1 Sends the 1 Switches the current resolution resolution to the statement lower level e Ia Selectors 1 through 6 Transmission level of DTM
16. A17 RY BY R63 10K 12 16 Luc RESET NW 5v 10 R66 00 ROMI pe PE WA NC 128 NC 26 AR65ROM2 R61 oy 2 CE t d 15A s v OF g et los RD 14 OE YU 38 sovO t NC S aca L WR A19 16 WE y 38 R60 DAW NC R64 00 47 5B Sov 5v OT BYTE co4 cci04 T TEE 1100 C111 RAS cci04 NM 128 21 h e 3722 42 VCCVCC GGG 14 RAS 13 RMWR WE 118 29 RAMRD DBUS 118 5v OE sov Q Do 2 30 UCAS 9 000 UCASP 118 C21 CC104 D1 3 3i CAS C55 CC104 9 D0 1 L CAS hH18B D2 4 oz 22 12 931 ET D3 5 4 17 At ABUSI ABUS voc GG DBUS YA 7D 0 8 A0 5 At 10 ua UO D4 7 A2 Ao Do fr E D04 A1 PE 16 A3 18 9 Ra Stas D2 Se D06 DRAM A3 23 e A4 7 20 10 1A 3 D3 gt Tera D07 Kika au A5 6 23 A Tag Ris Z Da 34 SC 2 25 A7 A6 5 8 MROM 25 A 5 Ds 4 IDEE SS Dog A6 Sa xm AZ ail po et D010 A7 D11 36 27 A9 A8 3 29 A7 D7 gt ed E D011 CSA a gt ial Ny A9 41 5 A8 S D D012 A9 A10 40 17 Dis a EE Se e ju Di4 40 15 A11 19 39 aro D1 0 D014 NcI Z A12 38 pi 4 23 Dig AY 1 16 A18 37 24 A12 D12 2 NC nc A14 36 26 A WA A13 D13 2 A15 85 28 Ne A14 D1 4 H 4 A16 34 30 A15 D15 A17 33 A16 A18 2 42 A17 Nora A19 1 A18 R58 ROM1 ES mon 128 e 9 ROM2 CE H RRR 15A 13 RD 05 oe FX 1138 32 WORD BYTE O 5V 9 D SON Main PCB 2 7 2 3 ZX 4
17. EE Selectors 1 and 2 Frequency band range These selectors set the frequency band for busy tone to be detected Selectors 4 through 8 ON OFF time length ranges These selectors set the ON 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 WSW12 Signal detection condition setting 1500 ms 500 ms 700 ms 900 ms Min OFF time length of calling signal Ci 1 2 3 i Max OFF time length of calling signal Ci 4 5 6 Detecting time setting Aa 2 OO OO Dich zk OO OO G lsh OO OO ch zb OO sch OO Olsh OO ch OO Usch OO A OND o os T Selectors 1 through 4 Min and max OFF time length of calling signal Ci If the equipment 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 by selectors 3 and 4 it interprets the Ci signal as OFF Selectors 5 and 6 Detecting time setting These selectors set the time length required to make the equipment acknowledge itself to be called That is if the equipment 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 Selector 7 Delay Setting this selector to 0 allows the equipm
18. 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 AA 2 2 A zb dd 24 OO OO OO OO OO OO Och 2 6 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 OO OO ch zb OO OO 1400 1000 zb o sch OO ch OO ch OO ch OO ch OO A OO zb OO OO P NOTE WSW39 takes effect only in the V 34 mode 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 equipment attempts to establish the transmission link via the modem If the establishment fails the equipment automatically steps down to the next highest speed and attempts to establish the transmission link again The equipment 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 bps in order to deactivate the high speed modem function and reduce the training time for shorter transmission time WSW39 will be limited by selectors 3 through 8 of WSW40 WSW40 Funct
19. HK In the FAX 8650P the LCD shows the FRRETCCVRGHATN when the document front sensor detects no paper FR the document rear sensor detects no paper RE the sheet feeder cover is closed TC the top cover is closed CV the registration sensor detects no paper RG the paper ejection sensor detects no paper HA and the toner sensor detects toner TN B Operating Procedure 1 Press the 3 and 2 keys in this order in the initial stage of the maintenance mode The equipment beeps 1100 Hz and 400 Hz tones cyclically through the following volumes for testing the speaker 1100 Hz Low Medium High OFF OFF Pi 400 Hz High lt Medium lt Low NOTE To stop beeping press the Function key FAX3750 MFC7750 or Menu key FAX 8650P In the FAX3750 MFC7750 the LCD should show FRRETCCVRGHATNHK if the detecting conditions of the eight sensors are as defined above In the FAX 8650P the LCD should show FRRETCCVRGHATN if the detecting conditions of the seven sensors are as defined above Change the detecting conditions e g insert paper through the document sensors or the registration sensor open the sheet feeder cover or the top cover jam paper at the paper outlet remove the toner cartridge and lift up the handset and then check that the indication on the LCD changes according to the sensor states To stop this operation and return the equipment to the initial mainten
20. III 7 3 Developing process The developing process develops an electrostatic latent image formed on the drum in the exposing process into a toner image The developer roller attracts the toner particles fed from the toner cartridge by the toner supply roller and then conveys them to the contact section with the laser sensitive drum On the contact section between the developer roller and drum the positive toner particles stick to the neutralized spots on the drum according to the principles of attraction and repulsion transforming a latent image into a toner image The toner augers which agitate toner particles in the chamber and the blade allow toner particles to be fed onto the developer roller at an even thickness Switch a ON for the transfer process Transfer roller Blade gt i Chamber Switch b ON for repulsing toner from the transfer roller Toner augers Toner TA A Ke Eraser lamp Laser sensitive drum Toner supply roller DC bias Developer roller Cleaner roller 4 Transferring process When a paper passes between the drum and the transfer roller the switch a see the above illustration is turned on to negatively charge the transfer roller The toner is positive so the toner image formed on the drum will be transferred onto the paper according to the same principle as for the developing process If the toner image fails to stick to the paper due to paper jam or other er
21. La or Lb to ground This setting is effective only when the earth function is selected for the R key by using the function switch 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 WSWO5 1st dial tone and busy tone detection 3 5 sec WAIT 7 0 sec WAIT 10 5 sec WAIT 14 0 sec WAIT 17 5 sec WAIT 21 0 sec WAIT 24 5 sec WAIT Detection Without WAIT z o 1st dial tone detection s 0 0 0 0 1 1 1 1 O0 0 OO MM zb OO zk OO ch OO ch OO GO No detection Detection only after dialing No detection Detection before and after dialing Busy tone detection in auto 0 Yes matic receiving mode DTMF detection time 0 40 ms min 100 ms min NOTE Selectors 5 through 7 are not applicable in those countries where no busy tone detection is supported e g U S A Busy tone detection in auto matic sending mode Selectors 1 through 3 1st 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 equipment starts dialing upon detection of a dial tone when a line is connected However in those countries which support
22. Set a new battery ASSY connect the battery harness to the main PCB and then unplug the power cord Disconnecting the battery harness with the power cord unplugged will lose the settings e g calendar clock voice messages and received FAX data stored in the RAM If you do not need to replace the battery ASSY but you will remove the main PCB in the following procedures take out the battery ASSY from its supports and put it on the main PCB with the battery harness being connected Battery ASSY Battery supports Panel main harness NCU harness Ferrite core NF 80 FG wires Scanner motor harness Route the battery harness CIS harness as shown here to hold these Main cover Speaker harness three harnesses Provided on the FAX 8650P IV 6 1 2 Multi purpose Sheet Feeder 1 Open the top cover 2 Remove one of two screws from each of right and left top cover stoppers and then fully open the top cover 3 Pull either one of the right and left tabs provided on the main cover outwards and slightly lift up the multi purpose sheet feeder then release the other end of the sheet feeder also Multi purpose sheet feeder Top cover stopper Main cover n__ Reassembling Notes When reinstalling the multi purpose sheet feeder fit the front end over the bosses provided on the main cover and then push down the rear end IV 7 1 3 Document Guide Base 1 Turn up the document
23. 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 WSW41 WSW No Reference Page WSWoi i WSWo2 WEN E wswod VAS WSWOS vis WSWOS vie wswo7 v20 WSWOS WSWOS V 22 WSW1O WSWii V24 WSWI2 WEN V 26 Ep Mi m sch pira NI n2 wm WSW15 EDIAL facility setting V 28 WSW16 WSW17 V 30 09 n2 n2 n2 o N al WSW18 S M A T WSW20 T C T D P P B R i F F wswi9 V 32 WSW21 V 34 WSW22 F F F F F F F F F CA wo 69 C o A WSW25 TAD setting 3 V 37 WSW26 C 00 WSW23 v35 WSW24 WSW27 V 39 WSW28 WSW29 vai WSW30 val WSWSi V42 WSW32 v43 WSW33 va WSW34 i WSW35 V45 WSW36 E E al o lt B O Firmware Switches WSW01 through WSW41 Continued WSW No Reference Page WSW37 Function setting 15 WSW38 Function setting 16 WSW39 Function setting 17 WSW40 Function setting 18 WSW41 Function setting 19 B Operating Procedure 1 Press the 1 and 0 keys in this order in the initial stage of the maintenance mode The equipment displays the WSWOO on the LCD and becomes ready to accept a firmware switch number Enter the desired number from the firmware switch numbers 01 through 41 The following appears on the LCD WSWXX 00000000 Use the and gt keys to move the cursor to the selector position to be modified
24. VI 14 2 2 1 2 2 TROUBLESHOOTING Introduction This section gives the service personnel some of the troubleshooting procedures to be followed if an error or malfunction occurs with the facsimile equipment It is impossible to anticipate all of the possible problems which may occur in future and determine the troubleshooting procedures so this section covers some sample problems However those samples will help service personnel pinpoint and repair other defective elements if he she analyzes and examines them well Precautions Be sure to observe the following to prevent the secondary troubles from happening 1 Always unplug the AC power cord from the outlet when removing the covers and PCBs adjusting the mechanisms or conducting continuity testing with a circuit tester 2 When disconnecting the connectors do not pull the lead wires but hold the connector housings 3 Before handling the PCBs touch a metal portion of the machine to discharge static electricity charged in your body When repairing the PCBs handle them with extra care After repairing the defective section be sure to check again if the repaired section works correctly Also record the troubleshooting procedure so that it would be of use for future trouble occurrence 2 3 Checking prior to Troubleshooting Prior to proceeding to the troubleshooting procedures check that 1 Each voltage level on AC input lines and DC lines is correct 2 Al
25. harness and speaker harness for preventing the battery harness from interfering with the top cover sensor actuator Tape the CIS harness and panel main harness at location a and tape the scanner motor at location b as shown on the next page For the FAX 8650P when transporting the main PCB be sure to remove the battery ASSY Ni MH battery from the PCB Failure to do so may result in a short circuit overcurrent flow or fire After you replace the main PCB be sure to follow the flowchart given on page IV 34 IV 32 Provided on the FAX 8650P 2 Not provided on the FAX 8650P Taptite bind B M4x12 Y Main PCB Main motor harness Hook switch harness Solenoid harness Speaker harness Scanner motor harness Laser diode harness Panel main harness Battery ASSY 3 en ZC lol 4 j Main high voltage NCU harness e YA NCU harness 2 d i CQ flat cable CIS harness Fan harness Toner sensor harness Polygon motor flat cable Main cover placed upside down Battery supports Top cover sensor Panel main harness actuator NCU harness 2 NCU harness Main cover placed rightside up Scanner motor harness Route the battery harness CIS harness as shown here to hold Speaker harness these three harnesses Panel main harness N e Rear o prc E OL Main PCB To low voltage power supply PCB E Battery harness xj CT A C
26. o 3 No handset is provided on the Australian and New Zealand versions Specifications enclosed in brackets are available if options are used I 3 2 2 Model ASSO MFCZZS0 O Page Memory TX Genera Simultaneous Operation Available with option Yes PRINTER FAX PRINTER SCAN PRINTER FAX PRINTER SCAN PRINTER COPY PRINTER COPY No Yes Network Application PN E Optional CD ROM required According to the Brother chart in standard mode MMR Specifications enclosed in brackets are available if options are used 1 4 2 2 CSR Page Memory DX Gmea O Bundled Software Applications Cu Senden JI EE EE Network Application Optional CD ROM required According to the Brother chart in standard mode MMR Specifications enclosed in brackets are available if options are used I 5 CHAPTER II INSTALLATION 1 CONTENTS INSTALLING THE UPDATE DATA TO THE FACSIMILE EQUIPMENT 1 INSTALLING THE UPDATE DATA TO THE FACSIMILE EOUIPMENT If the program version is updated or the main PCB is replaced install the update program onto the flash ROM of the main PCB The program installation requires a host computer satisfying the following requirements CPU Pentium 75 or higher RAM 8MB or greater 16MB recommended for Windows 95 OS Windows 3 1 3 11 or Windows 95 Connecting the equipment to your computer 1 Make sure that the equipment s powe
27. 2 4 NOT USED 5 PARA CNG DETECTION2 D 5 8 NOT USED WSW 4 60010111 Te NOT USED 2 3 DETECT DUAL TONE IN ICM D 4 DETECT TONE LEVEL IN ICM HIGH 5 8 NOT USED WSW S 98688818 1 3 DIAL TONE DETECTION 3 5 SEC WAITING 4 REMOTE ID DETECTION TIMEOUT 1 2 SEC 5 6 BUSY TONE DETECTION CALLING NO dx BUSY TONE DETECTION CALLED OFF 8 NOT USED WSWBG 08101188 1 3 PAUSE KEY 3 5 SEC WAITING 4 8 NOT USED WSW 7 01001100 1 8 NOT USED og 81180108 1 8 NOT USED WSWO9 DppopppDn T ECM FRAME 256 OCTET 2 NON STANDARD FACILITIES ON 3 4 TIMES OF FALL BACK 24 5 TS TIMER 388 SEC 6 T1 TIMER 35 SEC 7 8 CALLING TIMEOUT 68 SEC WSWI 00010108 1 DPS LINK WITH CML NO 2 TIMING OF LAST DIGIT MODEM CHANGE 100 MS 3 TIMING OF CML ON CNG TRANSMISSION 2 SEC 4 TIMING OF CML ON CED TRANSMISSION 2 SEC 5 5 TRAINING RETRIES E s CODING METHOD MR ON 8 CODING METHOD MMR ON WSW11 61611888 1 2 FREQUENCY RANGE INITIAL DATA 3 NOT USED 4 8 ON OFF TIME 480 688 MS 40D 588 MS 175 448 MS 175 448 MS WSW12 18811818 1 2 OFF DETECTION TIME 700 MS 3 4 AUTO ANS OFF DETECTION TIME 7 SEC 5 6 ON DETECTION TIME 258 MS a DELAY FF NOT USED WSW24 81686816 1 2 OGM MAX TIME 3 4 DELAY OF CML_ON OGM 5 8 LINE PLAY ATTENUATOR WSW36 D IDD DD de ECP MODE 2 5 NOT USED 6 8 IGNORE CI COUNT 28 SEC 4 SEC 2 DB 3 ON gt H Configuration List V 52
28. 25 4 8 28 26 Resolution 21 P1 2P EJ Mode 31 28 Hele Broadcast 37 29 1TOUCH 01 13 1D 30 1TOUCH 02 14 24 81 1TOUCH 03 15 25 32 1TOUCH 04 16 34 33 1TOUCH 05 17 1E 34 1TOUCH 06 18 26 D 35 1TOUCH 07 19 23 36 1TOUCH 08 20 33 D Control Panel 2 2 Grat bach POWER SUPPLY 100 120V Low voltage power supply GPPTMIN POWER SUPPLY 200 240V Low voltage power supply ed END O assuvas END O fp inya 168 OND 460 U L O x 8N9 0189 O o 5 ind A30 O ep ey Q e JE 0 i V Lu zea JEAN W eg EES h p z N o 0 AM sa LJ imo POWER SUPPLY High voltage power supply
29. 3 Bead EE Bede OU oe Se EE e SN Oe Rene Se AM i SLR 34MG80F o S i I We R23 RSEN 2 Nd LED2 R4 5V 0 O s5D O 5V O I TE REFETEEES WA f 1 8W 00 AN Ri 160 DP See mer 024 i NNA SE 1 3 SS SE 66475 DEEN i CH en Gei LED3 R5 va SG 267 SLR 34MG80 VI mw d mo C2 R2 pg REAR I CC104 100K K LED4 R6 SGND 2 L OSGND I SLR 34MG80F FSEN 4 I N 620 FSEN X o I N LED5 R12 CSC O SGND 1 3 SLR 342VR 620 I A c PH2 i gt TPI Wek SG 267 SGND WIRE LEAD4P TAN FRONT I I i L_ 4_osano i I I A A A E ER i E KIEV ENG JER J D D Control Panel 1 2 FAX3750 A 4 5 6 omew C17 CC104 d o SGND R18 R19 Y R17 100K t N 7 0 A lL C18 SON CC102X7 sis 81 VDD 3 C10 C5 C8 C6 C3 C9 C7 SGND VAS 5 T T M e O LPD65612GB vo e 38 RS ap R102R9 ZR112R162R152R132R12 RST RS 14 7KS547K547KS547K547K547K 47K 37 R W 13 P2 AR eech eg E poe KE OCES Sa E KILO 4 35 DBO 14 A KIO L
30. 5 41 DC3 I I LO en E E EES ea eee eee en Rem ER ees alio I I LOSE a a ea ee PAR 1 4 6 3 RA10 DC2 i I Hoox4 R171 l I 3 7 21 5 DCi I oa Ir I I d 5V 1 5v I 2 8 1 L Le DCO I bcc EE T n 1 elele r Inx e l of al rl ofo i n 16 N e e e e Ko o o wo wo wo wo wo R172 o o o o o o o o o o o o o DCBUS l I 17 14C I D1 UN oa IL6 H EL 188133 d nS loa 19 4 Kg 9 9 4 9 9 eo o o 1 gt 9 1 US 0458 A N l CC101x15 o Q32 l 20 ege So UE ote is 4 1 T Sov oo 3 2SA1364 i oo I 21 i a 1 24V poi es 22 R173 I R176 Q33 Uk I 100M 10V 10K 1 23 l i B R175 C129 i 24 4 i 4 3K D cc104 i o E Sov EEN DTC124EK 25 1 i sov I 035 26 2 sov 1 3E MI NTH gt MINTS Te RH5R47 Q34 i S 128 BLM11A20 OUT 2SA1364 1 4 R257 l 1 DON R258 74L814 IN FAX3750 oa NOT ASSY 28 Jean MFC7750 1 E F GND BLM11A20 CC101 R174 29 6 sov Mh LI 2 R203 2 1 2 sov ZS Faas I A A 20 i 1 Kikiwa ASSY 30 13 12 11 10 P1 120 D nenn B2B PH 18 74L814 74LS14 1 sov I O 5v C146 74LS14 i i R205 bhg 6 AER WU AAA MA ETE im St et eh ty ee oe a Be A rmm E e 1 1 2W TO 74L814 sov 5V 2 Hp 74L814 14 7 74LS14 O sov C119 cc104 v A Main PCB 6 7
31. DRI VL cc103 3 29 so 24RET o sov HVCR SCCKL s 24RET P6 14e D i0 B5B PH 5V ci44 L DE R200 cc1017 MOT 24V R84 8v Do 3 10K Brem 1 5K HETH y a livs 11 Osov SCDT 14BC 1 15A 51D C118 7 R150 R25 C134 tL EH cas Coin 10KF 2 2K quM HS cc101 t 8 CMPRA 13A lt J 24RET 24RET o Sov sov 5V LDON WE ae elis HVPS o 5V 148 E e 4 5v L 7 cc101 d O R20 c139 cc101 St sov OQ 2 R148 2 2K em e Eos MTD2002F KIOTA A108 sov 22K CMPRB 15 28 22K EN Sg vex sov qe 100 sov vec voc 5 e RMI 27 2 15A S 13A amp m s 9 158 5 4 1 ni 01 1K LES 158 DAME o2 H SC CC101 LASER 180 1 10W RM2 17 E T na BEN 5V De E 03 16 13 CC101 o i 5V 158 DS NA 014 S O MTI 0 25 1 SON PC1 9 R221 158 D gt 10 VmA e Y C136 RMOT ON1024 Ee 18 14 R160 R159 R161 gt so vO _F11 VmB cc104 50V BLACK geek 22 o 22K 22K 22K g Vref VsA 24RET R199 ale fea 5 V 23 Sa Sov 120 1 10W aie Re L8 BLM11A20 cc103 9 R233 NG vee E 1 1 COVER 1 N L9 BLM11A20 15A X e 2 PC3 e 21 20 R217 pR216 gt 2 gt Y ON1024 o CTE 6 S KS 0 62 0 62 Soy nc NC N 1w 1w P3 i CC332 i zDe7N ZD3 9P A 2 5 B2B PH sov e nc nc ES s POV Sov 24 19 O zo7Z7 ZD3 9P 5V E EA A R232 SNC Ne AA i 24RET 1 1KF 2 TCS 3 1 LG PG NC N PARET R9 ER HOOK a A PC2 15A KJ Y Raw SV set 29 30 TK 2 100 E ON1024 i MTI2 HOOK 1 6KF 2 PUE i 4 z I 15B 24RET 1 i C16 Wiig eee he CC101 4 Q41 2 sov DTC114YK b sov sov R220 ees B2B PH 4 kr Q40 AGE 2 D
32. Oe 80V R35 NOT ASSY M5 V o R3 470 C13 cc104 O AREF R4 Eli ga 470 T 100M 6 3V p o O MOV 1 2 3 A 4 5 6 1 2 3 WV 4 5 6 NCU1 P3 zb B12B PH 5V a3 DTC114YK M5 V 24R 10 16 4 3 C26 2 C12 12 74HC4053 CC104 BATATA CC104 50V 6 7 le 11 CMLL 24RET 8 MOV PLS 3 HO 25 A pi 9210B 1 15Z oa MUTE O 24R 21 c DA 1 21A pet PLS TLOF ii 2 D25A E 3 cl 21 B DO 4 4 ree C27 CC681 23c DEL 25c DE OPON c29 Re 2 3A 5 14 fe cc104 1 5KF 748 eege 10KF KT TE 22A 24 B L 5 s MAIN i A P14 I 23 80DE 9 023 May Y io Es 24R Pu R33 Me 2 T 3 Lcis BA14741 MOV 7 CC104 in TLSL 1110w 74HC4053 5 lt J 23B R28 o i hoe Se ee ae T E N ey Pee ee 1 10K MOV 1 R32 Mov 24V O i2 I I RL1 I TLSL 6 230 i 228 D E ER 2 4 RET O i3 TLSW I HZU8 282 pr Sue 13B ZD2 ZD1 25CL 15 7 Desc im i DF K MOV 3 De Neo 6 1 I f HZU2 0V X2 74HC4053 A I I CMLH 11 O Mov i ong I I d C22 CC1028B NOT ASSY RL 1 1 SH 1 218 D o clis RIN 11B R17 100K Rate C28 218 pe 2 230 180K CC103B 0 R15 1 RIN TLRL 1 5K J24c 14 1 Q4 3 R16 2 1 nl edocs ae E me
33. PCB ASSY Document sensor PCB Top cover sensor Photosensor Main PCB Sheet feeder cover sensor Photosensor Main PCB Registration sensor Photosensor Main PCB Paper ejection sensor Photosensor High voltage power supply PCB Toner sensor Photosensor Toner sensor PCB Toner thermister Thermister Toner sensor PCB Heater thermister Thermister Heat fixing unit Hook switch Mechanical switch Hook switch PCB Not provided on the FAX 8650P Document front sensor which detects the presence of documents Document rear sensor which detects the leading and trailing edges of pages to tell the control circuitry when the leading edge of a new page has reached the starting position and when the scan for that page is over Top cover sensor which detects whether the top cover is closed Sheet feeder cover sensor which detects whether the sheet feeder cover is closed Registration sensor which detects the leading and trailing edges of paper which allows the controller to determine the registration timing and check paper jam Paper ejection sensor which detects whether the recording paper goes out of the equipment Toner sensor which detects whether there is toner or a toner cartridge is loaded Toner thermister which detects the ambient temperature of the toner cartridge Heater thermister which detects the temperature of the heater roller of the fixing unit Hook switch which detects whether the handset is placed on the hands
34. actuator Main PCB 2 Document not fed ADF and its related sections Scanner motor and its harness Document feed rollers and their related gears Main PCB 3 Document double feeding ADF parts 4 Recording paper not fed Multi purpose sheet feeder Drum unit Heat fixing unit Gear drive unit Main PCB VI 17 5 Print image related If the received or sent image has any problem first make a copy with the facsimile equipment If the copied image is normal the problem may be due to the remote terminal if it is abnormal proceed to the following checks 1 Completely blank At the scanner Check the following components CIS harness Main PCB CIS unit At the printer side Clean the high voltage contacts for the developer roller on the drum unit main cover and high voltage power supply PCB Contacts in the illustration given on page VI 23 Check the connection of the laser diode harness on the main PCB Replace the main PCB 2 All black At the scanner Check the following components CIS harness CIS unit Main PCB At the printer side Clean the high voltage contacts for the grid and corona wire on the drum unit main cover and high voltage power supply PCB Contacts and inthe illustration given on page VI 23 Check the connection of the main high voltage flat cable Replace the drum unit Replace the main PCB VI 18 At the scanner Check the following components CIS unit
35. and Grounding Contacts VI 23 1 ERROR INDICATION To help the user or the service personnel promptly locate the cause of a problem if any the facsimile equipment incorporates the self diagnostic functions which display error messages for equipment errors and communications errors For the communications errors the equipment also prints out the transmission verification report and the communications list 1 1 Equipment Errors If an equipment error occurs the facsimile equipment emits an audible alarm continuous beeping for approximately 4 seconds and shows the error message on the LCD For the error messages see 1 below To display detailed error information use the maintenance mode function code 82 described in Chapter V Section 3 11 that is make the equipment enter the maintenance mode and then press the 8 and 2 keys Following the MACHINE ERROR one of the error codes listed in 2 will appear on the LCD 1 Error messages on the LCD Messages on the LCD Probable Cause CHECK PAPER Even after paper pulling in operation the registration sensor does not detect paper COVER OPEN The cover sensor detects that the top cover is not closed or the sheet feeder cover sensor detects that the sheet feeder cover is not closed PRINTER JAM 1 The paper ejection sensor stays OFF even after the registration sensor has gone OFF and the paper has been fed by the specified amount 2 The paper ejection sensor st
36. dialing N Dialing N generates N pulses Dialing 0 generates 10 pulses N 1 Dialing N generates N 1 pulses 10 N Dialing N generates 10 N pulses Selectors 3 and 4 Break time length in pulse dialing These selectors set the break time length in pulse dialing Example If 1 2 and 3 are dialed when N is set by selectors 1 and 2 Break time length set by 71 selectors 3 and 4 A E gt E AAA e x00 0d 4 ngu ngu Selectors 5 and 6 Inter digit pause These selectors set the inter digit pause in pulse dialing Example f 1 2 and 3 are dialed when N is set by selectors 1 and 2 LU Inter digit pause set by selectors 5 and 6 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 the pulse DP and tone PB dialing by using the function switch Selector 8 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 WSWO02 Tone signal setting Tone signal transmission time length O O Aj oft OD ech Attenuator for pseudo ring backtone to the line selectable in the range of 0 1
37. document ejection roller gear and not bent down by that gear Once removed the shield film will become unusable and new one will have to be put back in IV 13 1 7 Scanner Frame ASSY 1 You can remove the following parts from the top of the scanner frame ASSY without taking out the ASSY from the top cover CIS film Shield film CIS unit shown on the next page Lightly pull up the arm move the CIS unit to the left and lift up the right edge of the CIS unit While holding up the CIS unit disconnect the CIS harness e CIS leaf springs shown on the next page NOTE Once removed the CIS film and shield film will become unusable and new ones will have to be put back in CIS film black Shield film Scanner frame ASSY Align Tabs Align the cutout of the CIS film with that of the scanner frame Attaching the CIS film IV 14 CIS unit CIS leaf springs CIS leaf spring CIS unit Scanner frame ASSY 2 Open the top cover 3 Disconnect the scanner motor harness from the scanner motor ASSY without removing the shield film Top cover Scanner motor harness IV 15 E Close the top cover Remove the two screws from the scanner frame ASSY 9 S Lift up the rear edge of the scanner frame ASSY to release the three pawls provided on the front end from the top cover then hold up the ASSY and disconnect the CIS harness if the CIS is mounted 7 Take off the
38. equipment shows the DOWNLOADING on the LCD and starts receiving data downloaded from the host computer During downloading the equipment beeps intermittently Upon completion of the downloading the equipment beeps continuously CHAPTER III THEORY OF OPERATION CONTENTS as eege P III 1 MECHAN e III 2 2I Seamer Ad III 8 2 1 1 Document feeding and ejecting mechanism ssssusss III 8 AND I0 XXX III 8 2 Laser Printing E III 4 2 2 1 Paper pulling in registration feeding and ejecting mechanism III 4 cc MEET III 6 iD Charing iem III 7 ig EXPOSIOS DISCOS aaa III 7 G Developing AS III 8 p ISBN RED III 8 i Erasmo IOC SS ic iii III 8 223 Heating MCRadio III 9 d o DI NS ra ee eebe ee eege III 10 CONTROL ELECTRONICS 5 atta tutae utra 3 aaa innn AAE TENA t RPEP RD te pERAREES III 12 ere D RER SEERE EESSER ER SES E AAAA ARAARA III 12 cd c uel DS III 13 SH NEE III 15 SA Gom Panel POS SPREE REE SEES REE SES Per etre ter eer III 16 Be Power SU OB POB Mw GSGGGAG Gn n n III 17 1 Low voltage power supply DCH III 17 2 High voltage power supply DCH III 18 1 Line OVERVIEW Fax Control Section NCU Scanner unit CIS unit Handset Scanner motor Centronics parallel interface Laser Printing Control Section data Fax data Laser printing unit Charging exposing deve
39. functions codes 10 11 12 82 87 and 91 are shaded in the table given on the previous page Function code 10 accesses the firmware switches WSW01 to WSW41 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 Subsection 3 5 The service personnel should instruct end users to follow the procedure given below 1 FAX3750 MFC7750 Press the Function and Mode keys in this order FAX 8650P Press the Menu and Mode keys in this order The LCD clears the current display NOTE The Mode key is inoperable during standby for redialing and timer Press the 0 key Enter the desired function code 10 11 12 82 87 or 91 with the numerical keys For function code 10 access the desired firmware switch according to the operating procedure described in Subsection 3 5 SB 4 To make the equipment return to the standby state press the Stop key Function Menu key Mode key Fax Con status Print Scai status Funftion Set gt Clear TeLindex Resolution Mo O Fine FA Photo TA O S Fine O F e A 3000 Hold Low Volume v Sort Photo C c CO Pause PORS WXYZ CO Gi E EH 0 key Stop key 3 DETAILED DESCRIPTION OF MAINTENANCE MODE FUNCTIONS 3 1 EEPROM Parameter Initialization B Function The equipment init
40. printing process 24V Current TAIDENL Regulator 250A I Lo Transfer Roller Voltage Cleaner Regulator Roller GENZOL 4 600 10V HVCR o 275 7V Developer Roller I I Corona Wire Q Current TFNSHAHL 9 Regulator 3 0uA Voltage Regulator 1 65kV TENSHALL 24RET Voltage Regulator 1 0kV DRMBIAS Voltage Regulator 275V Je Voltage Regulator 700V High voltage Power Supply Circuit III 18 CHAPTER IV DISASSEMBLY REASSEMBLY AND LUBRICATION CONTENTS 1 DISASSEMBLY BEASSEMBLY aaa fi Beene Ris gui c iii HR e LE ale Torgus ESL Laos cepetebt ope cobHtetenebr obi rea A ee E n How to Access the Object Component M Disassembly Order FOW A 1 1 ROM Cover Option Cover and Battery AN 1 2 Multi purpose Sheet Feeler 1 3 Document ide AU rer eter SES 1L SEER SEE rer eer ceer eter err 1 4 Control Patel ASSY E 1 5 Panel Rear Cover and Control Panel 1 6 Document Feed Roller ASSY and Document Ejection Roller ASSY 1 7 A POSS Toousuesud dE a ML MEL t 1 8 D le M tts 1 9 Handset Mount and Hook Switch PCB for the FAX3750 MFC7750 Side Cover for the FAX 8650P occccccccocooonccnnnononocnonnnnnnnnnnnononnnnnnnnnnnnononanannnnnnnnnns 1 10 Heat fixing Unit FU Lamp and Paper Ejection Sensor Actuator Lit Lasar Unitand Toner Sensor POB oce ettet ettet ete tette teta USE TP E Re RT MERE mr eee Ret Meme Rr ey A
41. roller leaf springs Scanner frame ASSY placed upside down S Y KS RA Clamps Pressure roller p leaf spring 15 Slightly push down the arm in the direction of arrow A and shift the separation roller gear to the right arrow C when viewed from the rear Then shift the separation roller to the right arrow E and take it up Separation roller Separation roller gear Scanner frame ASSY placed upside down 16 Take off the scanner drive unit by removing the two screws The separation roller gear also comes off E x Front Scanner frame ASSY o Taptite cup B M3x10 placed upside down e 3 Scanner drive unit lt M e o Taptite cup B M3x8 ND GOs Separation roller gear 17 Push down the CIS side spring to release it from the latch then pull it out to the right when viewed from the rear CIS side spring Scanner frame ASSY placed upside down CIS side spring Scanner frame ASSY placed rightside up IV 19 n Reassembling Notes When reinstalling the scanner motor fit it in the latch provided on the scanner frame with the connector facing up and then secure it with the screw See page IV 17 When setting the scanner frame ASSY back into place secure the grounding terminal to the scanner frame ASSY with the screw and route the grounding wire around boss x as shown on page IV 16 route the CIS harness through the scanner frame ASSY or connect the CIS h
42. 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 and 5 Decoding error rate for transmission of RTN The facsimile equipment 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 6 Issue of RTN at the occurrence of a pagination error If this selector is set to 0 the facsimile equipment transmits an RTN when a pagination error occurs due to recording lag relative to receiving V 35 Selector 7 Resolution level for reception This selector determines whether the resolution should be limited at the start of reception in the sleep mod
43. speed eg 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 Selector 7 V 34 mode This selector determines whether or not the equipment communicates with the remote station in the V 34 mode when that station supports the V 34 mode V 32 WSW20 Overseas communications mode setting EP tone prefix 0 OFF 2 idis 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 elimination for CNG detection A During CNG ON and OFF B During CNG OFF only C elimination za CNG detection on off 0 OFF EP Echo protection ONO O UO 4 0 0 1 1 6 0 0 1 x lt Selector 1 EP tone prefix Setting this selector to 1 makes the equipment 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 equipment fails to transmit at the V 29 modem speed and always has to fall back to 4800 bps transmission Selectors 2 and 3 Overseas communications mode These selectors should be used if the facsimile equipmen
44. supply PCB Disconnect the following harnesses from the main PCB Speaker harness 2 pin P7 Laser diode harness 5 pin P6 Toner sensor harness 4 pin P5 Polygon motor flat cable 5 pin P4 NCU harness 2 6 pin P13 NCU harness 12 pin P14 Solenoid harness blue 2 pin P8 e Hook switch harness red 2 pin P9 Main motor harness 6 pin P16 High voltage power supply harness 12 pin P20 Fan harness 2 pin P3 CIS harness 7 pin P19 Scanner motor harness 5 pin P17 Panel main harness 6 pin P21 Not provided on the FAX 8650P The FAX 8650P has a Ni MH battery ASSY Only when you need to replace the main PCB disconnect the battery harness After installing a new main PCB you may need to make settings e g calendar clock and voice messages to be stored in the RAM If you need to replace the battery ASSY do not disconnect the harness in this disassembly step Doing so with the power cord unplugged will lose the settings stored in the RAM Refer to Section 1 1 n Reassembling Notes Route the hook switch harness red solenoid harness blue and main motor harness through three latches w y and z At the rear side of the main cover route the harnesses as shown on the next page Hook the speaker harness on the left hand battery support For the FAX 8650P route the battery harness as shown on the next page to hold the three harnesses scanner motor harness CIS
45. to be put back in Before attaching a new anti static brush onto the scanner grounding plate wipe the surface of the attaching place with a cloth dampened with alcohol Whenreinstalling the scanner grounding plate fit it over the two bosses of the main cover IV 42 1 22 EL Eraser Lamp Board Only when you need to replace the EL board which is attached with double sided adhesive tape remove it according to the steps below 1 Make sure that the EL board harness is disconnected from the high voltage power supply PCB Refer to Section 1 15 2 Make sure that the heat fixing unit is removed 3 Peel off the EL board from the main cover and clear adhesive tape if remaining Attaching a new EL board Boss EL eraser lamp board L EL board EL board harness Latch B Reassembling Notes When attaching a new EL board bring the right end into contact with the boss provided on the main cover IV 43 1 23 Cleaning of High voltage Contacts and Grounding Contacts If any toner particles paper dust or dirt are on the contacts clean them out This will ensure that power flows correctly to enable printing Grounding contacts High voltage contacts O 2 3 For transfer roller N R DA q RA N SS Drum unit LETC DCNS A Y 7 For developer roller 4 For cleaner roller 5 For grid 8 For corona wire
46. torque kg cm 4 1 4 1 6 1 9 2 7 2 7 2 7 2 8 2 8 2 8 2 8 2 8 2 10 2 10 2 8 2 10 2 8 2 6 2 10 2 8 2 6 2 8 2 8 2 10 2 10 2 12 2 8 2 10 2 8 2 6 2 Loosening torque kg cm 2106 2106 2106 2106 Min 2 Min Min Min Min Min Min Min 2 3to 6 3to 6 mo m P5 DN nm nm 2106 4 to 6 3to06 3t05 3to6 2to6 2to9 Min 4 2to6 2to6 3 to 6 3 to 6 Min 4 3 to 6 2to6 2to6 n Preparation Prior to proceeding to the disassembly procedure 1 Unplug the modular jack of the telephone line the modular jack of the curled cord and remove the handset the PC interface cable and the modular jack of an external telephone set if connected Not shown below 2 Remove the dust cover the paper wire extension the document wire extension the document tray the paper tray and the drum unit with the toner cartridge loaded Drum unit with toner cartridge loaded Dust cover Paper wire extension and document wire extension Document tray SCH Telephone line cord Paper tray PC interface cable Not provided on the FAK 8650P n How to Access the Object Component On the next page is a disassembly order flow which helps you access the object components To remove the gear drive unit for example first find it on the flow and learn its number in this case You need to remove p
47. when polled Nation code or manufacturer code not coincident 40 11 Unregistered group code entered for relay broadcasting function or the specified number of broadcasting subscribers exceeding the limit Retrieval attempted when not ready for retrieval 40 13 Polled by any other manufacturers terminal while waiting for secure polling Invalid resolution selected 5 Command reception checking the NSF and DIS after transmission of NSS and DCS Vertical resolution capability changed after compensation of background color VI 9 6 ID checking 63 01 Password plus lower 4 digits of telephone number not coincident 63 Password not coincident 63 Polling ID not coincident Entered confidential mail box ID uncoincident with the mail box ID 63 Relay broadcasting ID not coincident e 06 Entered retrieval ID uncoincident with that of the mail box ID 7 DCN reception DCN received 8 TCF transmission reception VI 10 9 Signal isolation 01 Unable to detect video signals and commands within 6 seconds after CFR is transmitted 0 0 Received PPS containing invalid page count or block count 10 Video signal reception transmission speed for fallback Receive buffer empty 5 second time out memory NE RTN PIN or ERR received atthe calling termina a RTN PIN or ERR received at the called terminal A8 RTN PIN or ERR received at the calling terminal AQ RTN PIN o
48. x and latches y and z When putting the high voltage power supply PCB back into place first fit the cutout provided in the PCB over a and insert the rear edge under b and then secure the PCB together with the insulation sheet to the main cover with the screw IV 35 1 16 Fan If the main PCB is installed remove the screw from the main PCB refer to Section 1 14 Slightly lift up the main PCB and disconnect the fan harness from the main PCB 1 2 3 4 1 2 3 Take out the fan support 4 Pull up the fan Latch Fan support Main cover placed upside down Harness guide W M Reassembling Notes Put the fan back into place with the non sponge end facing up and with the label side facing outwards Route the fan harness through the harness guide as shown above IV 36 1 17 Registration Sensor Actuator Sheet Feeder Cover Sensor Actuator and Top Cover Sensor Actuator 1 Pull up the registration sensor actuator sheet feeder cover sensor actuator and top cover sensor actuator Sheet feeder cover Registration sensor actuator sensor actuator Top cover sensor actuator Main cover placed upside down 1 18 Speaker 1 Pull the speaker spring inwards and pull up the speaker Speaker Speaker spring E Main cover placed Front upside down m Reassembling Notes e Putthe speaker into place with its harness facing to the front Route the speaker harness thr
49. 1K BA14741 ORN Gy I I MUTE 25B 1 T 1254 5 R26 11 are a DAREC 20K CNT 25A 13 1 recae CC104 MOV S AAA o cha ses R19 Se AWA RINGO 12 ee 2 2K 28K208 C m MO V O A A AREF xd 74HC4053 1 2 3 A 4 5 6 1 2 3 V 4 5 6 L3 ada 06 5V Te DTCI23EK o R3 SE A OUT eer Ze F d CNI ROPS C23 6 6PMJ Al EMM 1 amp l Tccio4 C3 C11 B oss d 155120X2 SES s 1d dio y Ha sy C047 ODER OEE C25 T Kh 3 H Tg Wana seis Soy RIO FT C5 qb sov o A SE o HO T 910F 643 ZE EC10 Si 4 Tb 2 w R57 BT6 16v JW7 5 P1 5 310V L2 JP9S 0 wu Lt JW 5 000000 BTS l 4 TKF 6 E nn e I ev e z Zoe SS 1 NTR C27 d d ji C16 CML e 6 I i gt Fy 10 C8 02 DB C2 i o R16 SP4 P1 S1YB40 BP2 2 o LINE e ES 3 J P8 e E Ciy 03P12 jPA or 50V i i iJ R20 pLLELOFF HS 65 Cc I SP SP SP x c 1 1 68KF M17D13 14 C28 C S12B60 Be r R12 100KF g P1 k DON T T d L4 L gt a E E aa J l i 81 8 e RLI 3 CH2
50. 2 l P1 ONES A Oa Jeun BP2 2h SP4 LINE e e 3 J P8 H oSP 18 ere d 0 OV i R20 p TELOFF o i 68KF pe Pape AID8 C28 c 517B60 R12 100KF lg Du e a e e dl aaen J Ji D 8 e RL 1 5 s e 10 R11 JP1 C P1 ZD9 R52 200K SOV R22 CH2 d EAE Y q ORE LEGS EEKE 2K go PES R5B3 200K UP UM me R7 SES H DAST 4 DAST DB2 Gre i SCH P2 S1YB40 4 RDPS Or 5V P2 S12B60 R47 4700 C12 J KF N col FIL5R20 PN 5d DE i jJ DTCI23EK SP2 EARTH 5 Ce C21 JW16 10 P2 D5 CC104 ERA15 04 PLS kg pom i NN al I I N I PHB i R54 PS2533 I Le d i Ganley see gl JW34 SOV R6 R55 10 100 2W CN2 6 2PM EDSRESQUENS 000 0 00000000000 o eu ARA OO A 2 L7 X2 3 L6 5 SP7 R4 I 1PH4 JP7 C POL IW 6 8K BUYS p TLP621GR E 5V 5V C7 T ia la a2 JW33 li MATA ZD4 ZD5 DA i 48v9 s 5 5V 250V 188120 vre R62 Giu Se O 18VX2 sov 10 P1 3 R44 SENI 7 2 W350 OJW36 RBI o R59 C9 5V JW8 5 JW15 5 JW17 10 JW29 10 3 9K 4 C6 P1 5 9 9 10 cio 1 JW32 SOM Ik EC1OOP SOV JW3 5 JW4 10 JW18 10 JW26 5 4 4 n WAZI 1 2 10 16v JW28 5 JP8 C JP10 C Flor PH3 y C24 FLOR Pi koma REF gt DART m 24V JW27 10 JW31 10 JP12 C YA jTLP620GR HOL CC104B 200PN 2 Q7 R58 GER REF JW1 5 JW2 5 JW11 10 JW14 5 2 3 NOT ASSY BEL Soy P1 3 8200 i j JP2 C JP5 C SE B12B PHK P2 SIGNAL JW21 5 JW22 10 JW23 10 JW24 10 a B6B PH K c18 sov sovsov Ee R26 02 L9 Sie R28 R33 JW10 4 T y T mal e 1 T 5 C17 e PTE
51. 4PMJ 1 IN C19 CH1 0 34 e CC821 C NCU P3 E sov R PES U S A Canada 1 2 3 4 5 6 L3 H 24V Q6 R9 9 D4 LIKE SPI 198120 Aaa Ea A gt A OUT y Z D 2 i RDPS C11 4 3VX2 Al fT ZD OM LEN J C3 CC563 201 Y 1000V ECIP C30 SOV C25 50v E uode 120 4 ol i9 CC822 tk a I 2 5 TEOR R ii C26 RIO F i C5 3 gom e ee omg CC153 Ti m M R14 ECION 4 D2 8 BT6 562 2 IKF ray ue 1 2 T i r 6 C27 1 DB1 C2 9 e RI SP4 oSP12 00153 Siyg4o BP2 2H Soon s JP4 or 50V GT 0 l C28 CC153 1ZB60 5 R12 100KF Xe UL Sa oe an H L4 q y a i CH2 FL5R200PN R52 S0V C14 R22 PLS x2 RE 3 KKI CC raat JI00KF R27 68kF lt 10 883 occ o REF sov PT 1 iz sp30154 SPA g DASTI D amp p Ww C20 P2 0B2 ERAI5 04 pH2 TLP621GR d S1YB40 Ken ROPS or JE P2 SIZB60 cio c 3KF
52. 5 dB ooo o rtr 000 00 1 2 3 Min pause in tone dialing 4 5 8 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 If 1 2 3 4 and 5 are dialed Tone signal transmission time length set by selectors 1 and 2 ngu ngu J l K A K 2 K gt K gt Min pause set by selectors 3 and 4 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 WSWO3 PABX mode setting N CNG detection when sharing a modular wall socket with a telephone 2 4 5 Min detection time length of PABX dial tone required for starting dialing AA A sch OO OO Ob 200 1000 zb OO ch OO sch OO ch OO P CNG detection when sharing a modular wall socket with a telephone 0 1 i No detection 3 5 sec WAIT 6 No detection Dial tone detection in PABX b sec WAIT 7 No detection 7 sec WAIT Detection Frequency only PET 0 1st dial tone 1 No 1st dial es ey dunetion detection add tone detection
53. 6 GE I 74HC4053 A 74 H6 b sov 9cctogk I i 4053 sov i a d 1 CMLH lt J128B 11 o Mov MOV NOT ASSY m SEVERE eee cx 416 C89 CC102B 13 H esner 74HC HSPLY CNT 12A RL1 13 i OPON 4053 718 DG o clia RIN 41B 14 D gt 74A R106 100K pag S 5 pape T 730 SP R33 200K CC1038B 0 15 575c R74 5 i Ss 1 5K 1 ig f 1 RNG JO I Q18 deesse i 13A 718 DTC114YK 100K R75 R105 10 3 L JMUTE 4 7K STK is SP gt io 12A 5 c90 R107 R36 00 R31 9 R53 a cotos 10K 20K R35 GNT C33 CC104 100K 12A 718 PRI NG 3 MOV DAREC 438 gt lo SPAMP S ej R104 Q19 SD at RINGO eee 1 L gt 75A 2 2K 2SK208 ET R194 12aL gt VVV 0 cc104 71B R42 I R37 R40 AREF O 150K 1 AAA NS ee E Ez o o 817 I 3900 sov sov R84 4 74HC4053 1 3 HO iia MAL 16 1 74HC4053 I 9 DPS y 6 kg 1 28 MSL gt 5V M5V A o EAT pm 1 p 23128 16 Q15 ig B R118 16 c29 UMG5N 180K 74HC4053 SD cc104 POL 7 8 2 gt 124A 8 1 O MOV R116 10K DASEND 5 e e lt Jiza aA C105 7 Ribe CC104 E Q sov sov R115 hs DAST 4 e KITSA a c104 cc104 R197 o SUY Sov NOT ASSY FAX3750 MFC7750 TEU FAS ASSY FAX3750 MFC7750 Main PCB 717 B6B PH BLACK 1 2 3 A 4 5 6
54. 67 SGND WIRE LEAD4P NN Front 4 I L _ 49 S GND i I I EE EE E EE EE D D Control Panel 1 2 FAX 8650P MFC7750 1 2 3 A 4 5 6 YL2 PANEL KEY MATRIX REFERENCE TABLE 1 KEY NO KEY NAME KEY COE KEY NO KEY NAME KEY COE A MC BASE MC BASE 1 Function 01 37 1TOUCH 09 21 1B 2 07 38 1TOUCH 10 22 1A 3 SET OF 39 1TOUCH 11 23 22 4 17 40 1TOUCH 12 24 32 5 Clear s E Rercord 3 9 YL2 PANEL KEY MATRIX REFERENCE TABLE 2 6 Hold 05 42 Erase 3B 7 10KEY 1 0D 43 Play 3A IT e m TERES 7 KO0 KO1 KO2 KO3 KO4 KO5 KO6 KO7 P1 1P P1 3P P1 5P P1 7P P1 9P P1 11P P1 13P P1 15P 9 10KEY 3 Tl 45 FF Cont 3C 10 Volume High 19 46 Test Reset 2B KIO 1 8 4 1 11 Redial Pause 04 47 Enlarge 29 P1 14P da 1OKEY 4 oc 48 Reduse 2F 13 1OKEY 5 15 49 KA 21 22 43 P1 12P 14 1OKEY 6 14 50 Copy Start 2E 15 Volume Low 1C 51 Sort 35 K l 2 20 17 42 16 Speed Dial 06 52 Photo 2D P1 10P 17 TOKEY 7 0B 53 Stop 36 18 1OKEY 8 0E 54 Fax Start 2A KI 3 1 1 12 45 P1 8P 19 TOKEY 9 16 55 Print Priority 3E 20 Speaker Phone 03 Kl 4 6 7 13 29 3i 5 2 5 1 44 21 LOKEY x 02 P1 6P 22 TOKEY 0 OA KI 5 23 OKEY ha 16 18 19 3 3 34 50 53 55 P1 4P 24 Shift 12 25 Tel index 27 KI 6 2 3 4 5
55. 8 5555 See LE DEE 25 as LDON SR EE Bleus pg p22 3 6 CH 575 pPDo L Dou 22 551A amp Den EE 28 M2 DPS 72 48 103 TENH 1 720 C DPS 1PD1 HVTP mpn 3 sov 5 3 o OE ma BACL kH PLS 73 198 49 104 iS A A RM4 28 Eo 71A PLS D7 PD2 HVTN 551 sscC AME BA EWB Eee CMLH 71 197 50 105 TAID 72A 73 cQ CML D6 PD3 HVCH 251A e ene eae EEN i MI NT 40 196 51 106 GENZ 53C PAO R123 5B 440 630 2 M NT DR gt PDA HVGZ a e R252 go PU 781544 m 52 107 SA eg pa FS o PD5 HVCL 55 18 5V OF AT UCAS 6 194 53 109 EL eue 24A 24A 24 CK AAA UCAS D3 IPD6 ERASE ES 57538 72B P85 na ss FANCNT 193 54 108 VDD 560 CJ 12455575 D2 PD7 HTO 57510 sac CL Sale Aert ESD 192 58 230 Q 133E EDAT oY Er M ENTES RB as R231 22K a23 RAMRD a E 191 57 24 R113 22K 5 QUT 24A 24B 240 AAA RAMRD Do aa us e SH nun O 5V 18 VO AAA 2 3 ar wr RH5VA CAS R139 68 5 167 J RD 59 24A 24A 240 lt NV Lcas 5 np AAA Bod bis aloe GEO MI a ei Rake cka 2o nH Nc S nAsa Hwat23 Rias 10 i fi HBUSY Ds58 5V 5B NG L WR 63 159 SELIN nc gt pas wa AAA D22B 328 350 2 TRG SELIN 5658 ST SRAM 22K al PRMI NT 248 248 PAS 25 aga PENES VoL 75D 35C 43B 7200 PAST SA AA se Desa 200 CLEEGK A ZIWA SOM 24A RASO TAE A A2 01 5 201 bp ppg Dn Sa mm 17 pavo d E erg EE S0V0 a M8 16 218 21D CH DM ROM A19 B AAA 4v pb SLCT 5658 9 wua ake eee 8 170 3 6 165 155 PRE 24a 24A 240 EMWR RAMWR A18 i T lv pb PPE aggy
56. 9600 12000 12000 14400 14400 16800 16800 19200 19200 21600 21600 24000 2800 4800 28800 7200 31200 9600 33600 12000 14400 16800 19200 21600 24000 26400 WSW41 Function setting 19 1 4 No 5 Modem Attenuator 8 NOTE WSWA1 takes effect only in the V 34 mode 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 super G3 protocol signals B Printout of firmware switch data B Function The equipment prints out the setting items and contents specified by the firmware switches B Operating Procedure 81 81 1939 07 43 REV UGXXXxx 1 VER 8 87 43 VER 07 43 VER B 1 Press the 1 key twice in the initial stage of the maintenance mode 1 The PRINTING will appear on the LCD 2 The equipment prints out the configuration list as shown in the figure below 3 Upon completion of printing the equipment returns to the initial stage of the maintenance mode CONFIGURATION LIST MODEL 5X5 317 TIME PCI 5 88 SUM CB8C DACA WSW L AOAOGA 1 2 DIAL FORMAT NORMAL 3 4 BREAK TIME 68 MS 5 6 INTERDIGIT PAUSE 8808 MS 7 DP PB CHANGE IN USER SW YES 8 DP PB FIXING SELECTION PB WSWO2 11111018 1 2 ON TIME 1989 MS 3 4 OFF TIME 146 MS 5 8 LINE BEEP ATTENUATOR 18 DB WSW 3 10000000 Ta PARA CNG DETECTIONI B
57. AC ACTA i T Cu Cu nmm Pa II CTI ti mMM END H niami JAT 7 aD T cr Ej T1 ca cn cost AKA co car cn eo Ed ea gi pa E dina STEE AN I ay IIO ceu mie Au Ok LK Dig c plur cn pul JE we IK bc TER CUI B i tribal ei cO Tagi S am CIE NI SR WOH MOON 00 m J ES m cara I Tir CO co o baca l m ea tio c mide ma mu moomoo Li Sai CIS z CO CUI POLES COBI F3 co MU E Re Re URBES Ta A M VI ET Tm C HR C IT ca m D C cu 10 E 20000 ee Cr co Eri E a AA ES A E E no tao Tn ot T MT j I DO CO mica 1 C I I Ir pr AO one I eei RA AA IO TS aminini gt het oT 71 a IO Tt oT ro i B rue Si TY TRA Biramo En 1 ESI ES IC IS A S St aldi com a ca C pu CH CTI pa Co Ert qn i ooo 2 Cd eon unc ca pun nS ci TERE Ee a E q Cr E 11 RRRRRRRAT E Pa m Li gt o NISI mint Lm corpo COOL OH ca mr Do co enr Dt TT c TT pb co bd Ci D M E I A IP A A Re Pr n ti Tom Ade ee oO m immani I I i We Jini i A3 A3 SE A3 AB Al SD 92 99 93 93 98 99 93 86 86 86 85 83 83 77 7B 7A 73 72 77 75 6D BE 6A 78 FF FF FF FF FF FF FF FF FF FF FF 9A98 1F 9490 808 Scanning Compensation Data List V 6 3 3 ADF Performance Test E Funct
58. CDO 11 Kia 5 34 DB1 COG 12 A ki L D 10 KI 2 6 33 DB2 10 Kl 2 LCD2 9 KI 3 7 32 DB3 8 A KI 3 LCD3 8 KI 4 8 31 DB4 6 KI 4 LCD4 7 KI 5 9 30 DB5 4 KI 5 LCD5 6 KI 6 0 29 DB6 2 KI 6 L D6 FT 5 28 DB7 K17 LCD7 4 P3 P4 12 KOO 53025 0610 53025 0810 ER pim FSEN PINO KOO ds 1 13 dus C24 ism Roe SGND PINI e 3 5V 4 CC104 14 KO2 P1 4 4 100K ML MS KO2 5 SGND 15 KO3 52089 1520 5 5 OSGND KO3 7 SDOUT R24 100 16 K O4 3 3 eh SDIN KO4 9 SDIN R21 18 KO5 R23 470 if SDOUT KO5 E 2 re 19 KO6 1 y jPOLK 470 gt PCLK KO6 13 RSEN 20 KO7 6 6 SGND TSTH KO7 15 To T 7 juice C20 cc102xg C i 41 s MLO CC101 P 06 FPC 42 T T POS eu cial die C19 M tique EE 48 C21 C22 PO4 e d A d A OSGND 44 EH EE 2 cod ANO ASA ee ee ede sa CC681 cciot 5 DO VDD PO3 N I 1 I P5 PO2 NES p LEDA R2 id 2 i EI i O 5V GND ES TP2 SLR 34MG80F See i S2B PH K 2 GND POO WIRE LEAD E I 1 3P 3 MS LED2 R1 SGND I SLR 34MG80F VT GE SS FOR MC MODEL ONLY LED3 R5 DEEN EE EE E EE EE E A I I SLR 34MG80F m I 1 N I R25 I 1 N LED4 R6 SES 1 O 5D LE GE Lo I lg x uc NU i i SLR 34MG80 F mem 1 8W 00 AN ANA saga i a 023g 1 1 3 I T I LED5 Xp 99475 RUE A c PHI i 0 W I VA SG 267 SLR 34MG80 VI Fr I 625 R3 i xa E REAR Q cc104 100K K i LED6 R8 SGND 2 OSGND i SLR 34MG80F 6 35 FSEN y FSEN d OF i 1 LED7 R14 I 3 I t oO O SGND 1 3 SLR 342VR 620 I PH2 A C O TPI VA SG 2
59. E ae IS pct 11 0 Busy tone detected after dialing or called 11 No response from the remote station in sending 11 No tone detected after dialing 17 No response from the calling station in receiving Available in German versions only 2 Command reception Abort detected 1 in succession for 7 bits or more m mmer II m moma Oo ME omo 20 Command ignored once for document setting or for dumping out at turn around transmission 20 T5 time out error 20 G CRP received 20 EOR and NULL received VI 7 3 Compatibility checking the NSF and DIS 32 01 Remote terminal only with V 29 capability in 2400 or 4800 bps transmission Remote terminal not ready for polling 32 10 Remote terminal not equipped with password function or its password switch OFF Remote terminal not equipped with or not ready for confidential mail box function No confidential mail in the remote terminal Remote terminal not equipped with or not ready for relay broadcasting function The available memory space of the remote terminal is less than that required for reception of the confidential or relay broad casting instruction VI 8 4 Instructions received from the remote terminal checking the NSC DTC NSS and DCS Gm mm 02 Illegal coding system requested Illegal recording width requested ECM requested although not allowed Polled while not ready No document to send
60. EE R136 wc nawUwE wizi NNN vyoo Bus yH Desa zec CHES 1281577 18 herd 172 4 DEER 114 152 ACK 5v R111 RXT A16 aA v pp ACK Desa 150 quoi 1294 ae e 16 173 MAANA Bi 97 161 STB Q25 497 129 REXT A15 n 2 xor EST 5658 BS Da OD A L KE aaa tra 1 4 v pp DC7 MAV A 175 ne 27442 43 144 sov A13 E 4 Vv bp DC6 Y MTDI1 9 lcgw NUS i4 glo8X4 CC104x6 21 145 SUB L Seege Ta EN A A12 MAS A 5v O VDD DC5 0141 CC R145 Ef ffe 360 lt Q SENI ADD Ke Da1 1H 5 gt e vos H cc104 TO SELMA cala 9 Gg Ze c96 ms B Sr ki Ara o d cc104 CC10P CC10P DA10 T o DC3 AGND 2 179 la 7 RA3 15 149 sov sov sov 305 L eee GND Dos c a 1 a o o o 5V O fis SES JE D USS ns oc 2 EUN ely od Sov I4 A AAT B o 5 60 DCBUS P2 182 5 5 0 e 5 151 45V m DA7 MAA p 9 laND DCO O B6B PH TEEN Matt 16A 26A m la 61 96 65c m k D Lamm 2e S40 69D ISE RS lo DER molec 135 R180 Ra 81 TST2 2125 5 Ke n a 5 Ee MAA TGN D P84 22 22K 1 rsT325 I CTS C124 RS RST D A 4 tes 4 i Lt ann c t s He 4 DEER EET T 186 area eam 154 137 RTS Coin nit ARES DAS ANC A e Aand RTS 2 a 187 3 61 164 139 RX Ze AE E 220 FER DA2 A e Hann RXD 5 Sov EXTL 188 12 7 RA5 180 140 TX sov DA1 1 gt GN D TXD 6 R158 OPON 189 168x4 ABUS 200 136 GA 1M DAO H m ND P83 gt 73 S Al um TC Alte Ti wr D 2 sov sov sov sov EXTL O 215 ABUS D sov BE R7 XT1 R10 R16 PANA PCBCH o 9n 4 J 424 57
61. F high low band frequency signal Current available resolution in receiving These selectors are intended for the manufacturer who tests the equipment for the Standard Never access them Selector 7 Current available resolution in receiving If this selector is set to 0 the equipment will send the resolution statement to the calling station telling the maximum capacity of the equipment independent of the current memory space available If this selector is set to 1 the equipment automatically switches the resolution to the lower level superfine fine standard if the memory space is insufficient to receive data at the designated resolution WSW29 Function setting 7 Not used 1 6 7 Automatic dialing by caller IDs stored in the memory Beep when the memory area for the activity report becomes full NOTE Selector 7 is applicable to those versions supporting the caller ID service Note that it is not applicable to the U S A versions NOTE Selector 8 is applicable to the European versions only Selector 7 Automatic dialing by caller IDs stored in the memory This selector determines whether or not the automatic dialing function by caller IDs stored in the memory see the Note below can be accessed If it is set to 0 caller IDs stored in the memory can be called up on the LCD by the user function 6 7 and then pressing the Start key when the desired caller ID is displayed dials the caller automatically
62. FL5R200PN Yz09 R52 200K S SOV R 10 RITJPTCO P1 C A 22 2K Ne Cd 14 00KF RES R53 200K a C R23 R27 68KF R7 dok REF sov P1 SP18 ST T ji Nue e EL DAST DB2 IT ENC560D07B C20 E25 H2 TLP R S1YB40 LP821G Is RDPS or S1ZB60 KI IC ML FILS R20 PN D6 155120 5 KA 24V La LYNN DE 5S Q1 D5 28D ERA15 04 2009 4 ee AS P R5 1 1500 PH5 2W PS2533 I FR et eee ES d 3 1500 9JW34 SOV R6 10 100 2W CN2 6 2PMU FL5R200PN 2 L7 X2 3 g 4 a 5 H L6 P 2d e x A WS ITLP621GR e 5 5V ji Ly P2 o MC4 74 ora 3 Q2 ZD4 ZD5 D1 JW33 5 5V 250V JW e 5 wo 3 2502603 R62 5 5 O 18VX2 188120 soy E P1 lt TELRL 2 EE KK C10 3 S0 VO7R 2 JW350 0JW36 EC BY e ren En R59 cg 5V JW8 5 JW15 5 JW17 10 JW29 10 pio P1 5 9910 10 1 JW32 IK EC100P S0V JW3 5 JW4 10 JW18 10 JW26 5 7 ove REA i Sige heme resp pe e 2 7 0 E dta edo EBM Fm Aan AA aa IAA O os 2 a an 2 RO Ne T 4 10 dues 16v Se JW28 5 JP3 C JP10 OC LC24 FLER Iran 5 R8 SP8 P Es 24V JW27 10 J3W31 10 JP12 C Jens CC104B 200PN 1500 2 Q7 R58 pas REF JW1 5 JW2 5 JW11 10 JW14 5 o Pt HS NAO Sov 3 WA 1 4ws L D 8200 SUE JP2 0 JP5 C S N B12B PHK So REF REF SIGNAL JW21 5 JW22 10 JW23 10 JW24 10 yes p C18 CC821 eun uS B6B PH K FL5R200PN REF SS Pa R26 100KF R19 R28 1 L9 Ik 5KE R32 R33 Jwto 4 non 2 1 2 2K 00 5 C17 CC1048 8 PTELSL R34 R25 R49 i prem 15KF L11 C22 CC104B SES SP11 sov On CN3 2 R38 RS GE E REE e JPG 4
63. IS harness a cay Top cover sensor PC1 Ti Sheet feeder cover sensor PC2 CN EJEA O I Fan harness mao sensor PC3 E Scanner motor harness 5 Main motor harness EI 2 Hook switch harness Solenoid harness Main high voltage flat cable ee Speaker harness NCU harness 2 NCU harness Polygon motor flat cable Laser diode harness Toner sensor harness IV 33 Setting up the main PCB after replacement Replaced with a new main PCB Install the update program onto the flash ROM For details about the installation procedure refer to Chap II The DOWNLOADING is shown on the LCD Upon completion of the installation the facsimile equipment initializes the EEPROM while showing the PARAMETER INIT After completion of initialization the equipment returns to the initial stage of the maintenance mode Then perform the following EEPROM customizing Function code 74 CIS scanner area setting Function code 55 Refer to Chapter V Subsections 3 10 and 3 9 N Replaced with one used flash ROM on the installed main PCB program version of the been updated from that on the removed PCB Install the update program onto the flash ROM For details about the installation procedure refer to Chap II The DOWNLOADING is shown on the LCD The PLEASE WAIT appears on the LCD ee Th
64. K Q MCS DREQ R226 A10 27 59 5V s lt 10 MTP 23 R228 22K cp BAM WE RD 22 33 SAMP 128 L gt RD SAMP 15C L WR 21 62 128 D wR RS 7 CLK24 25 63 138 DY i me CLKIN SH Le ar CLK1 ic T RESET CLK1 5328 R86 1K 6 0 GLEE PY Ke An 20 cc102 A0 m A1 19 B 5V OQ A1 DO RES P21 o A2 is o H sov v B6B PH T 1 A3 16 6 A3 D2 A4 15 5 a4 D3 R182 A5 14 4 30 R amp S A5 D4 4 7K 100K A6 13 3 iT A6 D5 AT 12 2 CC104 A7 D6 DRBUS ABUS A8 11 1 D7 avons eb q A8 D7 D 9 Sov R46 100 POLK 6 O ANN 13A SDOUT 4 O 13A R44 100 SDIN 5 0 D 134 RSEN 1 O gt 5 144A R43 100 c39 PANEL Coa d c42 C41 c43 cc101 cc102 Goin i J sov A Main PCB 3 7 1 2 3 A 4 5 6 1 2 3 WV 4 5 6 sov 5V 5V R90 R89 oa BLM11A20 pa P D e I on ku CC104x4 o o o S om P12 9 MOV M5 V a 9210B 1 20Z BG3080 2 sov ABUS u DVSS DV 081 75 DV88 DV 32 PYSS DV 41 pyss DV A1 1 R91 120K 4s DVSS DV n 5 sal DVSS DV DVSS DV us e See ee SS ovss DV d cc104 39K 5 Z0 ovss DV A4 4 N II 75 L5 748 PRENG D
65. LSL 3 R37 R32 R25 R49 R34 a CUI nia sov SP6 SP11 p C22 D R51 sov E R50 E DASND JPG CN3 2 R38 C19 T ie 5 REF REF C 4 4PMJ 1 CHI C NCU PCB P3 Sov i REF TFG Belgium Netherlands 1 2 3 A 4 5 6 L3 FLSR200PN A au X2 RBE Q6 SP1 9 ZDIUA _DIC123EK e X gt A OUT i ZD2 CNI i 1 RDPS a Al ZD10 PI cuidas ERR J C3 C11 6 6PMJ Y cn Bb i 1000V Se Zy EC10 1 1SS12042 16V i Ta CC1047 D3 TELOFE I C25 ES t de 2 e 5 VO 5 Ya A 5 M R10 d C5 3 Fo sovo 4 11 910F 6437 R14 EC10 ro A2 B18 0a ER E 3tov t JP9 C i T i t C16 6 f T EECH e2 a R16 SPA BP2 21 i LINE I 4 NIE R20 ei cov E pl E 3 14 R12 100KF g Kee o A cc I i 1 e DC L4 Tol RI JP1 C P1 CH2 FL5R200PN x2 Sox VE 2k i C14 TR23 00KF R27 68KF 10 DB2 Ge 04 SE P2 SL EA ERASO PH2 ILP621GR or R15 GE SIZB60 6 8KF 03 L5 KK R13 A DE 00 6 Pl C21 JW16 10 P2 D5 CC104 E
66. MHz Maven C126 c127 HINA sov Ge EG do CC15p CC15p DN 68X10 B 2 0 9 I B 2 0 8 SO B 2 07 B 2 0 6 RA12 1500x4 D7R 4 51D7 D6R la 61D6 TVA DER BAA 7 08 DAR gld4 WS D3R AI EA DS T T D2R y e D DIR la 7 D1 T T orsus POR n 6 20 DBUS i g E 2d AA A Main PCB 1 7 15004 2 3 WV 4 5B SOV cos Q PARES QE cc104 See 1100 ER RASO 073 CC104 cotos SEL v Sg er 21l h e 3722 4 2 5 PIN o ABUS voc G 6 DBUS gt CCVCC ecc 9 A1 25 29 id A o Do 1 RAS El z A2 24 31 P WWE CA GE og oai D1 WE 11B VE A3 23 33 29 RAMRD ep NOT AS D2 DBUS OE 11B 116V ASSYO A4 22 35 p TRR o Sov A3 D3 Doo ucas 18 Sov A5 2i 38 m CAS A 4 D4 LA Ss 18 A6 20 8M 40 PAS D5 A7 19 E 2 357 A1 ABUS1 KA 6 D6 _ _ _a aM AB 18 44 18 A2 A7 D7 y LS ARA A9 8 30 T Ais 48 Ds A10 7 32 E m Hao 7 D9 1 A11 6 34 23 9 A10 D10 esr ABE A12 5 36 R204 S PK ai D11 680 SS A18 4 39 25 PH A 12 0124 23 ATA A14 3 41 E e a D1 3 1m A8 A15 2 43 25 14 D14 27 ao A16 1 45 Z8 A 1 5 D15 A10 A17 48 Y A 16 A18 17 15 15
67. NON JOSUSS 19A09 09 19paaj Jeays S ch ped Jojenjoe Josuos Kay Dda dwej 1oseja 13 Hun 9Aup Jean Jeyeeds uonensibay EU sg pued joquog Jeued o uog ajejd dod dod Jojenjoe Josuas Bulpunoi6 jddns samod jddns samod Wou jueuinooq JHUULIS aBeyon yBiH aBeyor mo7 oque ED Jojenjoe Josues dead jueuinoo Jeq einsseJd jueuinooq sued JQv J19A09 1891 UB gd Josuas 19U0 pue yun Jose JOJenpe Josuas 3 e d woyog uonoefe laded d Ip ILON Le SEN ASSY pued 0 uo9 S ILON Aoyeg pue duet Na zgod U9IIMS 18409 uondo aseq J9paa jeeus yun Buix 3eeH 2004 pue junoui jespueH 19109 NOY apin6 yuauinooq esodind ninjg IV 4 1 1 ROM Cover Option Cover and Battery ASSY Provided on the FAX 8650P 1 As shown below push down section a of the ROM cover and tilt it to the rear Main cover Rear 2 Take off the option cover from the rear of the main cover by removing two screws a The grounding wire also comes free Option cover Grounding wire Main cover a Screw pan washer M3x8DB IV 5 3 FAK 8650P To replace the battery ASSY Ni MH battery plug the power cord of the facsimile equipment into a power outlet disconnect the battery harness from the main PCB and take out the battery ASSY while pulling the battery support of the main cover in the direction of the arrow
68. PABX Private automatic branch exchange NOTE Selectors 2 through 4 and 6 through 8 are not applicable where no PABX is installed Selectors 1 and 5 CNG detection when sharing a modular wall socket with a telephone These selectors determine whether or not the equipment detects a CNG signal when a line is connected to a telephone sharing a modular wall socket with the equipment Upon detection of CNG signals by the number of cycles specified by these selectors the equipment 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 A 1 B 1 0 cycle 1 B 0 A 1 5 cycles 1 B 1 B 2 0 cycles Selectors 2 through 4 Min detection time length of PABX dial tone required for starting dialing Upon detection of the PABX dial tone for the time length set by these selectors the equipment starts dialing These selectors are effective only when both selectors 6 and 7 are set to 1 Detection V 13 Selectors 6and7 Dial tone detection in PABK These selectors activate or deactivate the dial tone detection function which detects a dial tone when a line is connected to the PABX Setting both of these selectors to 1 activates the dial tone detection function so that the equipment starts dialing upon detection of a dial tone when a line is connected Other setting combinations deactivate the dial tone detection function so that the equipment starts dialing after the specified
69. R TLP620GR L 1 DRL 0033P DRL 0033P 5mm JUMPER 5mm JUMPER 5mm JUMPER 5mm JUMPER C8 PC250B105 PC250B105 Z x SP3 ASSY ASSY ASSY ASSY SP4 ASSY ASSY SP 5 ASSY SP7 ASSY ASSY z d SP9 ASSY ASSY SP10 ASSY SP12 ASSY SP13 ASSY SP15 ASSY S SP17 ASSY ASSY ASSY ASSY ASSY MOUNTI NG NCU PCB 2 2 FAX 8650P Germany U K Norway Switzerland Sweden FAX3750 Australia New Zealand 1 2 3 WV 4 5 6 L3 CT 24V 06 REF D4 SE TA Y R9 spi 159120 ZDITA DTCI23EK maA OUT y Set E ZD2 CNI i RDP 6 68PMJ Al ZD10V LEN LLL 1 Tene C3 C11 10K zD1 1000V C30 4 sov ae P NE CC104 ISRAEL ON E C25 16V b 2 2 5 yop 4 5 D3 rELOFF d It La L Mi Ca sov R10 4 Cb 3 Tio sovo om eo eg C26 Ti SIRE teg EC TOP e H 4 4 A2 Dies Ma B NOT ASSY BEL Pon ETE 16V JWICS Je E ASSY HOL LI JW 5 coge dd J 2 310v L2 JP9 0 aan AG E 00 1 en t t Ul T 1 CML 4 5 e t 1 SP12 C27 E 6 5 DBI C
70. RA15 04 k REF jy ws R31 ASS 4 10 TOKF E A OUTD 1 5V RS R40 5 LAUDE 2 C15 30KF 2 At 3 R55 ayes Stro R4I JW34 ipm b 4K 1 3KF H gt 10 12 2W R56 dbi P1 2 6 CN2 R29 P1 K 6 2PMU k 55 47K 2 L OREF sov P1 ert Ee E 2VX2 3 o P2 174 1 x 5s JAWS 82K E ZE 5 L6 33 9K 9 4 P1 SP7 R4 1 1PH4 CTS 5V A YZ TLP621GR 5 5V C7 Ead WE P2 5V o o L DK gt 2 3 E R aS es Re JwW120 3 la R62 JW33 a7 R592 cg px 199120 sov 10 7 P A ITELRL 3 IK ECIOOM s O 16V R44 Ss o Red sov REF 5V JW8 5 JW15 5 JW17 10 JW29 10 JW35g 9 W36 C10 d AAN 031 SOV JW3 5 JW4 10 JW18 10 JW26 5 Na 1 2 oeni a Jw32 R58 T Tectos JW28 5 JP8 C JP10 OC i lc24 FLER pi A L10 JW30 ag spa 60 DAST 8200 24V JW27 10 JW31 10 JP12 C SE ZUOEN O P 2 Q7 O REF JW1 5 JW2 5 JW11 10 JW14 5 sov lr H9 R 3 L8 20 sov sov SOV JP2 C JP5 C diosa o sov REF REF ENE SI GNAL JW21 5 JW22 10 JW23 10 JW24 10 B6B PH K REF cH aA R26 00 L9 RI R28 R33 Jwto 4 rr o E tl 2 1 0a 5 E EI e PTELSL 3 R37 bit R25 R49 R34 o 1 OS 1H sov SP6 SP11 L11 M C22 D R51 i sov R K l DAS ND CN3 2 R38 cig E R30 m S REF REF JRG C 100KF Q5 C 4 4PMJ 1 CH1 C NCU PCB o ou sov SM REF Fra France
71. TC114YK 5V S m REFS TS o 75K ESV 1 2 MTIA d ER 3 LEM IL J R14 R13 4 i 1KF 1 5K e ARNO 1 24V 14B E 3 9 0 i sov 9 R15 PAD COM 12 1 8KF 9176B 05 DTC114YK TD62003F GND sov 8 sov ts HEIN 24RET A Main PCB 5 7 1 2 3 A 4 5 6 RAT RA9 RA11 SEN 1 0Kx4 2 2Kx4 2 2Kx4 5V 0 f T T f EE s merce FAX3750 ASSY m I MFC7750 I I P11 I V E I 57RE 4036 I i MA700 i i ok kk ek Ke i R55 150 ACK ic i i NOT ASSY I I WA R192 180 Busy i SC i x 14C I 1K 1 12 R193 180 PPE I I 14B i 13 R56 150 IST 1 1 14B I 1 ET I 14B I ai coe DERE I I d 31 PRMI NT 8 1 e 148 I ci l I I I I pu 36 L6 3 RA6 SELIN 5 5V i 14B i 473F I 14 100x4 HBUY I I z a 14B i i fo 1 15 4 1 STB T 7 e 14C I sov 1 OS ee seer die Dm ney a AE I I 9 5 a DC7 I I I I 8 6 3 LL RAS DC6 i 1 100x4 I 7 7 21 DC5 I I I 6 8 i I DC4 I I T T L RVD S R pease SSS SS j16A 5
72. V 37 WSW26 Function setting 4 N Application of DC wetting pulse 0 OFF 1 0 Overvoltage limiter at the applying time of a wetting pulse 0 ON 1 OFF FAX reception after the time out of pseudo ring backtones in F T mode NOTE Selectors 1 and 2 are not applicable to the U S A versions 4 No of CNG cycles to be detected when the line is connected via the 5 external telephone except in the external TAD mode 6 7 Selectors 1 and 2 Application of DC wetting pulse and overvoltage limiter These selectors take effect only when the UK version of the facsimile equipment is set up for the British Telecom s caller ID service or its equivalent Selector 2 takes effect only when selector 1 is set to 1 Selectors 4 and 5 No of CNG cycles to be detected The equipment 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 Selector 8 FAX reception after the time out of pseudo ring backtones in F T mode If this selector is set to 0 the equipment starts receiving FAX messages when it receives a CNG signal within 10 second no tone period provided after the time out of pseudo ring backtones If no CNG is received within the period the equipment disconnects the line If this selector is set to 1 the equipment disconnects the line after issuing pseudo ring backtones
73. WAIT 3 5 5 0 or 7 0 sec without detection of a dial tone when a line is connected Selector 8 R key function This selector determines whether or not the 1st dial tone detection function specified by selectors 1 through 3 of WSWO5 is added to the R key If this selector is set to 0 pressing the R key automatically activates the 1st dial tone detection function when the PABX and the automatic calling are selected by using the function switch If you press the R key and a dial number in succession the equipment will automatically carry out the 1st dial tone detection function following the original transfer function as shown below Original transfer function of R key Dial number AA 1st dial tone detection function WSW04 TRANSFER facility setting DES GER Earth function in transfer facility 0 Provided 1 Not provided Not used 4 No 1 2 No 5 Earth time length for earth 6 function 7 Break time length for flash T function NOTE Selectors 1 and 5 through 8 are not applicable in those countries where no transfer facility is supported ch OO OO Jl O O 0 OO ch OO oO OO 00 Selector 1 Earth function in transfer facility This selector determines whether or not the earth function is added to the transfer setting menu to be accessed by the function switch Selectors 5 and 6 Earth time length for earth function These selectors set the short circuiting time length of the telephone line
74. a CNG signal If this selector is set to 1 the equipment will detect a CNG signal every time the external telephone is connected with a line even without detecting itself being called WSW35 Function setting 13 8 Not used WSW36 Function setting 14 Recovery from Inactive PC PC Power off Recognition Time 0 Normal Long LI NN RN Lower limit of frequency to be ignored after detection of calling 7 8 0 0 0 1 1 0 1 1 162 Hz signals Ci 0 EH 1 0 24 81 Hz 1 1 28 69 Hz ECP Enhanced Capabilities Port Selector 1 ECP mode The ECP mode enhances the normal bidirectional communications between the facsimile equipment and the connected PC for higher transmission speed Selector 2 Recovery from Inactive PC Interface If the facsimile equipment 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 current accidentally flown from the equipment This selector determines whether the equipment should recover from the inactive PC interface to normal interfacing state upon receipt of data from the PC Selector 3 PC Power off Recognition Time This selector sets the time length from when the equipment 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 eq
75. ace of the laser sensitive drum through the five processes charging exposing developing transferring and erasing processes A single cycle of laser sensitive drum operation 1000 D Charges the drum surface positively Electrical 700 O Exposes the drum surface to a laser beam charge to form a latent image and develops the latent on the drum image with toner surface V a Unexposed area Non image area b Exposed area Image area 400 3 Transfers the toner formed image from the 300 drum to paper D Erases the residual potential Time III 6 1 Charging process The high voltage power supply applies DC bias to the corona wire to generate ion on the grid The ion uniformly charges the surface of the laser sensitive drum to approx 1000V which is kept by the varister grounding the grid to the frame Approx 280V Positive charging source Aluminum drum ut Drum Laser sensitive layer Varister High voltage power source Corona wire 2 Exposing process When the laser sensitive drum holds a positive electrical charge the laser beam issued from the laser unit scans the drum according to the print image to expose the drum surface for neutralizing the spots where black should be forming an electrostatic latent image Laser sensitive drum Laser beam Paper Laser beam f 8 lens Laser detector Polygon mirror Laser diode Polygon motor
76. ance mode press the Stop key V 55 3 9 CIS Scanner Area Setting B Function The equipment sets the CIS scanner area and stores it into the EEPROM B Operating Procedure 1 Press the 5 key twice in the initial stage of the maintenance mode The SCANNER AREA SET BLACK LEVEL INIT and WHITE LEVEL INIT will appear on the LCD in this order The equipment checks and sets the area to be scanned If no error is noted the equipment returns to the initial stage of the maintenance mode If any error is noted the SCANNER ERROR will appear on the LCD To return the equipment to the initial stage of the maintenance mode press the Stop key 3 10 EEPROM Customizing H 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 B Operating Procedure 1 Press the 7 and 4 keys in this order in the initial stage of the maintenance mode The current customizing code e g 1001 in the case of FAX3750 U S A versions appears 2 Enter the desired customizing code e g 0002 in the case of FAX3750 Canadian versions The newly entered code appears NOTE If a wrong 4 digit code is entered the equipment will malfunction 3 Press the Start key The equipment saves the setting and returns to the initial stage of the maintenance mode If
77. and 4 keys in this order kK Within 2 seconds I FAX 8650P To make the equipment enter the maintenance mode press the Menu 2 8 6 and 4 keys in this order kK Within 2 seconds E The equipment beeps for approx one second and displays MN MAINTENANCE EEE on the LCD Press the 7 and 4 keys in this order in the initial stage of the maintenance mode The current customizing code e g 1001 in the case of FAX3750 U S A versions appears Enter the desired customizing code e g 0002 in the case of FAX3750 Canadian versions The newly entered code appears NOTE lf a wrong 4 digit code is entered the equipment will malfunction Press the Start key The equipment saves the setting and returns to the initial stage of the maintenance mode If you press the Stop key or no keys are pressed for one minute in the above procedure the equipment stops the procedure and returns to the initial stage of the maintenance mode B EEPROM Customizing Codes List Model Versions FAX3750 FAX 8650P MFC7750 Appendix 2 Circuit Diagrams A Main PCB B Modem PCB C Network Control Unit NCU PCB D Control Panel PCB E Power Supply PCBs FAX3750 FAX 8650P MFC7750 Appendix 2 Circuit Diagrams A Main PCB B Modem PCB C Network Control Unit NCU PCB D Control Panel PCB E Power Supply PCBs
78. and new parts will have to be put back in Anti vibration rubber Spring plate B c d E ice Align the edge of the anti 14205 TOO vibration rubber with this line Taptite pan B M3x6 Shield film Spring plate A Sch Qo ADF parts Separation rubber lt gt L Spring plate B E Anti vibration rubber LES SY AL pi p NETAS Ss yp T SA CIS shield film 1 Panel rear cover Antistatic brush 2 4 To remove the document pressure bar pull either of supports a provided on the panel rear cover outwards and then lift the pressure bar up and towards the rear to release the three tabs from the cutouts provided in the panel rear cover The spring also comes off 5 To remove the document rear sensor actuator pull either of supports b on the panel rear cover outwards Document pressure bar Document rear sensor actuator Panel rear cover Support a Document pressure bar IV 10 6 Remove the two screws from the panel rear cover 7 Unhook the panel rear cover from eight X latches provided on the control panel and lift up the panel rear cover Fully turn the document front sensor actuator to the rear and lift it up Unhook the document sensor PCB from two Y latches Panel rear cover Document front sensor ed S Control panel PCB Control panel Document sensor PCB BOB ASSY Document front sensor Document rear sensor FPC key 3 z 2D
79. ard Heat Heater thermister fixing Unit Heater FU lamp Extended RAM Low voltage power supply PCB connector CIS unit NIMM Scanner motor SCANNER UNIT NCU PCB NOTE 1 Provided on the FAX 8650P Hook switch Line External TEL Handset 1 On the document sensor PCB are these sensors Document rear sensor PH1 Document front sensor PH2 2 On the main PCB are these sensors Top cover sensor PC1 Sheet feeder cover sensor PC2 Registration sensor PC3 3 On the toner sensor PCB are these sensors Toner sensor Toner thermister 4 On the high voltage power supply PCB is the paper ejection sensor 5 On the hook switch PCB is the hook switch Not provided on the FAX 8650P Configuration of Facsimile Equipment III 12 3 2 Main PCB The main PCB which is the nucleus controlling the entire operation of the equipment consists of a FAX engine ASIC memories MODEM motor drive circuitry sensor detection circuitry and analog circuits for scanning printing and power transmission shifting Centronics parallel interface Flash ROM Extended RAM connector EEPROM Main PCB Main motor driver Image processor Scanner motor driver Battery backup circuit Speaker amplifiers Analog switch Op
80. arness to the CIS unit if mounted route the panel main harness through the cutout provided in the scanner frame ASSY When reinstalling the CIS unit first connect the CIS harness insert the left end under the arm of the scanner frame put the CIS unit into the scanner frame and move it to right see the illustration given on page IV 15 When attaching the CIS film align the right left and rear edges of the cutout with those provided in the scanner frame and fit its two tabs into the scanner frame as illustrated on page IV 14 When connecting the scanner motor harness to the scanner motor connector take care not to bend the shield film Once removed the shield film becomes unusable and a new part will have to be put back in IV 20 1 8 Top Cover Open the top cover P Remove one of two screws from each of right and left top cover stoppers and then fully open the top cover C Pull the panel main harness and CIS harness towards you E Remove the adhesive tape and pull the scanner motor harness and grounding wire towards you Top cover Scanner motor harness CIS harness Grounding wire Panel main harness Top cover stopper Scanner motor harness Inside of the top cover Adhesive tape Routing of the scanner motor harness and grounding wire Grounding wire IV 21 5 Remove the four screws from the hinges R and L 6 Slightly lift up the top cover to re
81. arts numbered 0 2 and so as to access the gear drive unit Unless otherwise specified the disassembled parts or components should be reassembled in the reverse order of removal IV 3 Order Flow Disassembl n Josuas uonoefe jeded y si god lddns je od aBeyoa yBiy ayy uo 9 310N 4ejsiuueu jeje eu y S pun Buxy jeeu eu UO s ALON JOSUSS YIJMS xoou eui SI god uos xoou eur UO p ILON 20d 10sues uonensiBey ELO ZOd 10sues 12109 Jepes jeeus 19d 10sues 18400 do SJ0suesojoud essay ase god Uew y uo c ILON Josues Jau0 pue Jejsiuu19U J9UO By aJe jun Jose ay uo god Josues jeuo eu uo Z ALON sabuly pue siaddo s 19409 do Buuds epis sip ZHd 10sues 1u04j jueuinooq LHd Josuas 18281 jueuinoog S10suesojoud eseu seu god Josues jueuinoop ay god jeued o1 uos ay uj pejoeuuoS ILON JeoD Joo uonpejedes sBulids yea Buuds yea pue yun eAup Jeuueos pue sJo oJ 3 NSSIIH pue sJe 0J uould d0S99g Xv4 PU 104 x Jojo uoneJedes sajejd yoo pued ajejd pjaiys SI OSLZLOAW OSZEXW4 94 104 zx d0G98 XW 94 UO pepl OJd Buuds yea Buipuno46 Jauueos 10 0W JSUUBIS suuds Jeo pue yun SJ oor IIe uonoala jueuinoo posla y JO ASSV Join pee juauinoog ASSY awey JJUUBIS Jojenjoe Josues 12409 dot Jojenjoe 804
82. ays ON even after it has came ON and the paper has been fed by the specified amount DOCUMENT JAM W Document jam 1 The document length exceeds the limitation 400 or 90 cm registered by firmware switch WSW16 Refer to Chapter V Section 3 5 Both the document front and rear sensors stay ON after the document has been fed by the registered length 2 The document rear sensor detects no trailing edge of a document after the document has been fed by 400 cm The document rear sensor stays ON even after the document has been fed when the document front and rear sensors were OFF and ON respectively VI 1 Messages on the LCD Probable Cause DOCUMENT JAM B Document loading error 1 The document rear sensor detects no leading edge of a document within 10 seconds from the start of document loading operation The document rear sensor stays OFF even after the document has been fed when the document front sensor was ON 2 The loaded document is too short Since the document is shorter than the distance between the document front and rear sensors the document front sensor is turned OFF before the document rear sensor is turned ON CLEAN UP SCANNER In the scanning compensation data list printed by the mainte nance mode function code 05 less than fifty percent of the white level data is faulty This message may appear only in the maintenance mode SCANNER ERROR In the scanning compensation data list printed by the
83. d with toner 4 Slide the wire cleaner tab to clean the corona wire inside the drum unit Make sure that the wire cleaner tab is returned to its home position Replace the drum unit Replace the heat fixing unit 6 Black and blurred At the printer side horizontal stripes If the horizontal stripes appear at 94 mm or 17 mm intervals replace the drum unit y Ls If they appear at 54 mm intervals replace the heat fixing Pe unit peni 7 White vertical streaks At the scanner Check the following components CIS unit At the printer side Replace the drum unit 8 Dropout At the printer side Check the connection of the main high voltage flat cable Replace the drum unit Replace the high voltage power supply PCB VI 20 9 Faulty image registration At the printer side Leading edge of image Instruct the user not to load paper exceeding the limit mark starts too late on paper on the multi purpose sheet feeder Instruct the user to use the recommended types of paper Replace the multi purpose sheet feeder Replace the gear drive unit 10 Image distortion or In communications improper image alignment Check the following components Error code displayed Refer to Section 1 ERROR INDICATION in this chapter q 2 NCU PCB Main PCB At the scanner Check the following components Separator roller and its related sections Document feed rollers and their related gears Scanner motor and its har
84. e 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 WSW0O2 selectors 5 through 8 and WSW13 selectors 5 through 8 WSW24 TAD setting 2 Not used Attenuator for playback of ICM OGM to the line Selectable from the range of 0 15 dB 1 2 No 3 Time length from CML ON to start of pseudo ring backtone 4 transmission 5 8 C2 Ove ee ET 0 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 In those versions which have an OGM facility the settings made by these selectors also apply to the length of time from CML ON up to the start of OGM transmission Selectors 5 through 8 Attenuator for playback of ICM OGM to the line Setting two or more selectors to 1 produces addition of attenuation assigned to each selector This setting will not be limited by selector 8 of WSW23 WSW25 TAD setting 3 1 Not used 4 No Pause between paging number and PIN 5 0 0 0 0 1 1 1 1 200 1000 ck ON sch OO sch OO zk OO s we 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
85. e 1 13 lowevolisgs Power Supply POB iii tid Man Aaa 1 15 High voltage Power Supply POB ia Fe Le TE 1 17 Registration Sensor Actuator Sheet Feeder Cover Sensor Actuator and Tap Cover Sensor ACUI ia Ux ES E En Ke EE D OUNMA Le We Baa Aa kaaa EN Wale Grunding PUA coi AA AAA IIA T22 JEU Eee efe cz ER 1 23 Cleaning of High voltage Contacts and Grounding Contacts 2 1 2 3 14 5 on roller ASSY Canal A aaa sess IV 46 Scanner frame ASSY and separation roller gear IV 46 Top cover lock SIT assi a cec ecl RU Oe HAE D C UE LUN IV 47 AS ion Men PEPERIT A AA IV 47 1 DISASSEMBLY REASSEMBLY n Safety Precautions To prevent the creation of secondary problems by mishandling observe the following precautions during maintenance work 1 2 B 9 Unplug the power cord from the power outlet before replacing parts or units When having access to the power supply be sure to unplug the power cord from the power outlet When servicing the optical system of the laser printing unit be careful not to place screwdrivers or other reflective objects in the path of the laser beam Be sure to take off any personal accessories such as wrist watches and rings before working on the printer A reflected beam though invisible can permanently damage your eyes If the equipment has been printing allow the heat fixing unit sufficient time to cool down befor
86. e array an LCD and LEDs which are controlled by the gate array according to commands issued from the FAX engine on the main PCB The panel FPC is a flexible keyboard PCB which integrates the key matrix having rubber keytops Main PCB SDIN Control Panel PCB FAX Engine Serial f LCD gt Communications Ports Gate Array Panel FPC VO Ports 4 Key Matrix EV 3 POWER Reset SJ Document front sensor Document rear sensor Control Panel PCB and its Related Circuit III 16 3 5 Power Supply PCB 1 Low voltage power supply PCB The low voltage power supply uses the switching regulation system to generate DC power 5V and 24V from a commercial AC power supply for the driver circuits The 5V source is fed to the logic control panel sensors CIS unit etc The 24V source is fed to the motors solenoid fan and high voltage power supply PCB The low voltage power supply also feeds AC power to the heater of the heat fixing unit Heater Thermal Fuse Fuse O O BD Varistor Heater Circuit FU lamp Feedback Switching Circuit Driver circuits 24V O 24V regulation circuit 5V detector Low voltage Power Supply Circuit III 17 2 High voltage power supply PCB This power supply generates high voltage power sources from the 24V source fed from the low voltage power supply for charging developing and transferring in the laser
87. e calendar clock appears Y Make the equipment enter the maintenance mode and then perform the following EEPROM customizing Function code 74 EEPROM parameter initialization Function code 01 CIS scanner area setting Function code 55 Refer to Chapter V Subsections 3 10 3 1 and 3 9 Chap V The calendar clock appears Make the equipment exit from the maintenance mode by pressing the 9 key twice Refer to IV 34 1 15 High voltage Power Supply PCB 1 Remove the screw from the insulation film and high voltage power supply PCB 2 Remove the insulation film 3 Slightly lift up the high voltage power supply PCB and disconnect the main high voltage flat cable 4 Disconnect the EL eraser lamp board harness and drum grounding harness from the high voltage power supply PCB Taptite bind Insulation film Main high voltage flat cable High voltage power B supply PC ET Im S Za D Latch y i Wa Main PCB Main cover placed upside down EL eraser lamp board harness Drum grounding harness white High voltage power supply PCB Main high voltage flat cable Insulation film B Reassembling Notes Before reinstalling the high voltage power supply PCB check the high voltage contacts for any toner particles paper dust or dirt and clean them out Besure to route the drum grounding harness through boss
88. e equipment will first wait for the 2nd dial tone to be sent via the communications line After that the equipment will insert a WAIT of 3 5 seconds If no 2nd dial tone is received within the specified time length set by WSWO8 the equipment will disconnect the line if in automatic dialing or it will start transmitting the dial signal if given after depression of the Pause key in hook up dialing In those countries where no dial tone detection function is supported setting these selectors to 1 0 1 1 1 0 or 1 1 1 inserts a WAIT of 3 5 seconds Selectors 4 through 6 Detection of international tone Upon detection of the 2nd dial tone for the time length specified by these selectors the equipment starts dialing 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 Selector 7 No of 2nd dial tone detection times This selector sets the number of dial tone detection times required for starting dialing 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 WSW07 Dial tone setting 1 1 Frequency band range Narrows by 10 Hz 2 Initial value Widens by 10 Hz LE Line current detection 0 No 1 Y
89. e handset of the facsimile equipment the equipment 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 Selector 6 Registration of station ID Setting this selector to 0 permits the registration of station ID for Austrian and Czech versions Selectors 7 and 8 Tone sound monitoring These selectors set monitoring specifications of the tone sound inputted from the line 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 14 400 bps zb OO sch OO ch 0 00 0 V 34 mode 0 Permitted 1 Prohibited V 17 mode 0 Permitted 1 Prohibited Selectors 1 through 6 First and last choices of transmission speed for fallback 1 3 4 C Last transmission speed choice for fallback 6 These selectors are used to set the modem speed range With the first transmission speed choice specified by selectors 1 through 3 the equipment attempts to establish the transmission link via the modem If the establishment fails the equipment automatically steps down to the next highest speed and attempts to establish the transmission link again The equipment 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
90. e starting maintenance jobs It is HOT Be careful not to lose screws washers or other parts removed for parts replacement Do not remove gears from the document LF roller ASSY or ejection roller ASSY if at all possible Once removed they will become unusable and new gears will have to be put back in When using soldering irons and other heat generating tools take care not to damage the resin parts such as wires PCBs and covers Before handling the PCBs touch a metal portion of the equipment to discharge static electricity otherwise the electronic parts may be damaged due to the electricity charged in your bogy When transporting PCBs be sure to wrap them in conductive sheets such as aluminum foil AN eee For the FAX 8650P which has a Ni MH battery on the main PCB be sure to remove that battery before transporting the PCB in aluminum foil Failure to do so may result in a short circuit overcurrent flow or fire Be sure to reinsert self tapping screws correctly if removed 10 Tighten screws to the torque values listed on the next page 11 When connecting or disconnecting cable connectors hold the connector bodies not the cables If the connector has a lock always slide the connector lock to unlock it 12 Before reassembly apply the specified lubricant to the specified points Refer to Section 2 in this chapter 13 After repairs check not only the repaired portion but also that the connectors and othe
91. e user s equipment press the Start key of your equipment Your equipment will start to receive the transmission log from the user s equipment V 57 3 13 Cancellation of the Memory Security Mode For the FAK 8650P B 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 and ICM received in the memory security mode B Operating Procedure 1 When the SECURE MODE is displayed on the LCD hold down the Menu key 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 equipment returns to the calendar clock Screen CHAPTER VI ERROR INDICATION AND TROUBLESHOOTING CONTENTS ERROR INDIA RNG ua iia Akiwa aaah VI 1 Us FRM 210175 E VI 1 1 Error messages onthe LOD EE VI 1 2 Error codes shown in the MACHINE ERROR X X message VEA owe nna le EX ANN VI 6 TPIS LEE SHO TUN Le n VI 15 O VI 15 EXC RECAM TED D ELT VI 15 2 9 Checking prior to Troubleshooting nano VI 15 x a a AA aaa VI 16 3 Gontrel panel A tope td n doe iaiia VI 16 I2 Tekphone MA ai R VI 16 BT Communications ralto aeaa VI 17 4 Paper document feeding related VI 17 5 Print image related IIIA VI 18 Locatio of High voltage Contacts
92. ease the clutch gear the clutch gear rotates and the pull in roller drive gear does not rotate In this way the clutch gear switches the transmission of the motor rotation to the pull in roller drive gear on and off The solenoid on off timing and the clutch release lever timing allow this mechanism to pull in a sheet and register it against the registration roller Paper feeding and ejecting mechanism If the main motor rotates clockwise the rotation is transmitted via the gear train to the drum drive gear heater roller drive gear and paper ejection roller drive gear After the paper passes through the heat fixing process it will be ejected onto the paper tray If the leading edge of the paper pushes up the actuator of the paper ejection sensor the photosensor becomes opened signaling the start of paper ejection If the trailing edge has passed through the sensor actuator the sensor becomes closed signaling the completion of paper ejection Then the main motor stops rotation III 5 2 2 2 Print process mechanism Paper Transfer roller Drum unit Toner augers Toner cartridge Developer roller Toner sensor Laser sensitive drum Cleaner roller Charger Corona wire Polygon mirror LS NAA Polygon motor Mirror Laser unit Mirror Cover glass The print process unit works with laser beam electrical charges and toner The graph below shows the transition of electrical charge on the surf
93. ent to insert a 900 ms WAIT after acknowledgment of the call until the equipment turns on the CML relay to start receiving operation WSW13 Modem setting Cable equalizer Oo 20O0OBA 0O0O 0m0mNy mk Modem attenuator 1 2 3 7 Reception level 5 8 The modem should be adjusted according to the user s line conditions Selectors 1 and 2 Cable egualizer 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 facsimile equipment Selectors 3 and 4 Reception level These selectors set the optimum receive signal level 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 0 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
94. equipment exit from the maintenance mode restoring it to the standby state Pressing the Stop key after entering only one digit restores the equipment to the initial stage of the maintenance mode f an invalid function code is entered the equipment resumes the initial stage of the maintenance mode 2 LIST OF MAINTENANCE MODE FUNCTIONS Maintenance mode Functions Function Reference Code Function Subsection EEPROM Parameter Initialization Printout of Scanning Compensation Data ADF Performance Test Test Pattern 1 Firmware Switch Setting Printout of Firmware Switch Data Operational Check of LCD Operational Check of Control Panel PCB Check of Keys and Buttons Sensor Operational Check 8 V 55 CIS Scanner Area Setting 9 V 56 EEPROM Customizing 3 10 V 56 Equipment Error Code Indication 3 11 V 57 Output of Transmission Log to the Telephone Line 3 12 V 57 EEPROM Parameter Initialization except the telephone number 3 1 V 4 storage area Exit from the Maintenance Mode ADF Automatic document feeder Qc Bo lt lt EE lt w SEAN lt lt ala mio lt e e al 91 E A S IMPORTANT i irant i e 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
95. er Ital2alON ivi V 4 3 2 Printout of Scanning Compensation Data ioi tima as V 5 Sao ADF PO EE V 7 5 45 esr PB E V 8 Sr Firmware wien Setting and Pro nin V 9 mo Operational Check or LOD cris V 53 3 7 Operational Gheck of Control Panel POB as aaa V 53 CN ER V 55 39 GIS Sommer Area Se ERR E V 56 c r ss USO V 56 3 11 Equipment Error Code Indication eee teniente deno V 57 3 12 Output of Transmission Log to the Telephone Line u u d sssneererrrernnree V 57 3 13 Cancellation of the Memory Security Mode For the FAX 8650P V 58 ENTRY INTO THE MAINTENANCE MODE FAK3750 MFC7750 To make the eguipment enter the maintenance mode press the Function 2 8 6 and 4 keys in this order k Within 2 seconds FAX 8650P To make the equipment enter the maintenance mode press the Menu 2 8 6 and 4 keys in this order k Within 2 seconds 3 The equipment beeps for approx one second and displays MN MAINTENANCE EEE on the LCD indicating that it is placed in the initial stage of the maintenance mode a mode in which the equipment 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 NOTES Pressing the 9 key twice in the initial stage of the maintenance mode makes the
96. erational amplifiers EEPROM Electrically Erasable Programmable DRAM Dynamic Random Access Memory Block Diagram of Main PCB III 13 High voltage power supply PCB Laser unit Fan Main motor Solenoid Low voltage power supply PCB CIS unit Control panel PCB ASSY Control panel PCB and document sensor PCB Scanner motor Ni MH battery Provided on the FAX 8650P Speaker NCU PCB Provided oii the MFC7750 AX3750 Read only Memory Image signal processor Flash ROM Main PCB Inverter DRAMs O Motor E cif EEPROM E Reset IC Analog BES Transistor array Operational amplifier Analog switch Speaker amplifier Modem PCB III 14 3 3 NCU PCB The NCU PCB switches the communications line to telephone or built in MODEM under the control of the main PCB Surge Loop current Dial pulse absorber detector generator Line transformer LINE MAIN PCB High impedance transformer MAIN PCB Calling signal EXTERNAL detector TELEPHONE Telephone HANDSET MAIN PCB MAIN PCB Transformers Surge absorbers Diode bridges Modular jacks Relays Current detector Amplifier Do ae i III 15 3 4 Control Panel PCB The control panel PCB and the main PCB communicate with each other by serially transmitting commands and data The control panel unit consists of a gat
97. es al 2nd dial tone detection level Z 600 Q zb O OO ch O O Q 0 0 1 1 0 0 1 1 1st dial tone interrupt detectin SS 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 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 3 of WSWO5 are set to 1 1 1 Selector 3 Line current detection This selector determines whether or not the equipment should detect a line current before starting dialing Selectors 4 through 6 2nd dial tone detection level These selectors set the detection level of the 2nd dial tone Selector 7 1st 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 1st dial tone dialing WSWOS Dial tone setting 2 Zz o 2 1st dial tone detection time length ch ch OO OO ch A OO OO M A CH A CO h CO A 0 Z o Detection level of 1st dial tone and busy tone before dialing 22200000 22001003 2000 00 1 3 4 Time out length for 1st and 2nd B dial tone detection NOTE The WSWOS is not applicable in those countries where no dial tone detection is supported e g U S A Selectors 1 through 3 1st dial tone detectio
98. et mount These photosensors are a photointerrupter consisting of a light emitting diode and a light sensitive transistor Each of them has an actuator separately arranged as shown on the next page Actuator s end Light emitting Light sensitive diode transistor III 10 Control panel PCB Control panel Document sensor PCB PCB ASSY Document front sensor Document front sensor actuator Top cover sensor actuator Top cover sensor PC1 Document rear sensor Document rear sensor actuator Toner thermister On back of PCB Toner sensor Hook TES Y Hook switch AO PLL Low voltage power supply PCB Hook switch PCB Main PCB Ye Sheet feeder cover sensor actuator o High voltage power supply PCB Sheet feeder cover sensor PC2 Heat fixing unit Registration sensor actuator Registration sensor PC3 Eraser lamp board e e P 2d RA Qe Heater thermister Paper ejection sensor actuator Paper ejection sensor photosensor Not provided on the FAX 8650P Location of Sensors and Actuators TI 11 3 3 1 CONTROL ELECTRONICS Configuration The hardware configuration of the facsimile equipment is shown below Control panel PCB ASSY i LASER PRINTING Laser Unit UNIT Centronics parallel Laser diode S E interface Main PCB Polygon motor Eraser lamp EL bo
99. grounding terminal by removing the screw Taptite cup B M3x10 Scanner frame ASSY Pawl Grounding wire CIS harness Panel main harness Scanner frame ASSY placed upside down Scanner motor harness Vay LJ Grounding terminal Main cover IV 16 8 Turn the scanner frame ASSY upside down 9 Remove the screw from the scanner motor and turn the motor clockwise to release from the latch 10 Take off the scanner grounding leaf spring by removing the screw Scanner grounding leaf spring Taptite cup S AA M3x6 Scanner frame ASSY placed upside down Screw pan washer M3x6DA 11 Take off the CIS shield plate by removing the screw 12 Remove the pinch roller leaf spring pinch rollers and shaft 13 Remove the control panel locks leaf springs by removing the screws Taptite cup S M3x6 CIS shield plate Pinch roller leaf spring Control panel lock leaf spring e Grounding terminal li NU na Pinch roller shaft Pinch rollers Taptite cup B M3x8 th dps TA QU RS N JI Be ioe panel lock oS ji leaf spring d Scanner frame ASSY ar go placed upside down d ES AE A A gt Rear S LE IV 17 14 Remove the pressure roller leaf springs by pulling them in the direction of arrows A and C in this order as shown below Then remove the pressure rollers and shaft Pressure roller shaft Pressure rollers SUE Pressure
100. guide base towards you 2 Push the right or left end of the document guide base inwards and take it off Document guide base Top cover IV 8 1 4 Control Panel ASSY 1 Slightly open the control panel ASSY 2 Push the right and left arms of the control panel ASSY outwards in the direction of arrow A with your thumbs and open the control panel ASSY further arrow C to unhook those arms from bosses x provided on the scanner frame ASSY Then slide the control panel ASSY to the front arrow E to release its bosses y from the grooves of the scanner frame ASSY 3 Slightly lift up the control panel ASSY and disconnect the panel main harness from the control panel PCB Control panel ASSY Boss y Panel main harness EM Control panel ASSY Arm of control panel ASSY Boss y of control panel ASSY Ze S E Boss x of scanner frame ASSY SS Scanner frame ASSY Control panel PCB IV 9 1 5 Panel Rear Cover and Control Panel 1 Place the control panel ASSY upside down If you do not need to remove the ADF parts CIS shield film 1 antistatic brushes shield film document pressure bar or document rear sensor actuator skip to step 6 2 To remove the ADF parts spring plates separation rubber and anti vibration rubber remove the screw 3 To replace the CIS shield film 1 antistatic brushes and shield film remove them NOTE Once removed they will become unusable
101. ializes 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 Ee Code Maintenance mode functions User switches Firmware switches Remote activation code Activity report All of these will be Station ID data r initialized Outside line number Telephone function registration These will be initialized These will not be One touch dialing initialized Speed dialing Group dialing EEPROM customizing code This will not be initialized 4 digit Note that the first digit of the 4 digit code will be initialized to 0 If the code is 1001 for example it will be initialized to 0001 NOTE f you replace the main PCB with one used for other facsimile equipment carry out this procedure and then customize the EEPROM maintenance mode function code 74 in Section 3 10 B Operating Procedure 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 equipment returns to the initial stage of the maintenance mode 3 2 Printout of Scanning Compensation Data B Function The equipment prints out the white and black level data for scanning compensation B Operating Procedure Do no
102. ing mechanism This mechanism consists of the document stacker automatic document feeder ADF document ejection roller ASSY and document sensors For details about the sensors refer to Section 2 3 If the operator sets documents on the document stacker and starts the scanning operation the scanner motor rotates so that the ADF which consists of the separation roller and ADF parts feeds those documents into the equipment starting from the bottom sheet to the top 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 1 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 advances When the document passes between the document pressure bar and the cover glass it is scanned III 3 2 2 Laser Printing Mechanism 2 2 1 Paper pulling in registration feeding and ejecting mechanism Paper pulling in and registration mechanism Sheet feeder cover Paper feeding mechanism Pull in roller Multi purpose sheet feeder Paper ejecting mechanism Hopper Paper ejection roller Z RT Registration sensor actuator Registration roller Paper tray Paper ejectio
103. ion The equipment counts the documents fed by the automatic document feeder ADF and displays the count on the LCD for checking the ADF performance B Operating Procedure 1 Setdocuments 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 equipment 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 After showing the final count the equipment beeps for one second To return the equipment to the initial stage of the maintenance mode press the Stop key 3 4 Test Pattern 1 B 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 B Operating Procedure Press the 0 and 9 keys in this order in the initial stage of the maintenance mode The figure below shows test pattern 1 0 a Test Pattern 1 3 5 Firmware Switch Setting and Printout A Firmware switch setting B Function The facsimile equipment incorporates the following firmware switch functions WSWO01 through WSWA1 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
104. ion setting 18 ere o Fem Setting and Specifications Not masking Masking Masking of Symbol Rate s i 3429 symbols sec 3200 symbols sec 3000 symbols sec 2800 symbols sec Not used 2400 symbols sec NOTE WSWAO takes effect only in the V 34 mode Selectors 3 and 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 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 bps bps Symbol rate Transmission speed bps 2400 2400 3429 4800 4800 7200 7200 9600
105. l stage of the maintenance mode To terminate this operation press the Stop key The equipment returns to the initial stage of the maintenance mode FAK3750 brother IntelliFAX3750 Fine FAX l Photo l TAD O S Fine O FAX TEL Hel Function Set gt Clear Tel index Resolution Mode set Loko Qi e5 Gode e SS Saa GPG FAX 8650P MFC7750 Facsimile Fex Copy status gt n O Fine FAX Print Soan status p l Photo TAD O S Fine O FAX TEL Function Set gt Clear Tel index Resolution Mode Ge POPE ODO e5 aere e G m Sa e 7 ae 9 eD Fade Key amp Button Entry Order 3 8 Sensor Operational Check m Function This function allows you to check whether the eight sensors document front sensor document rear sensor sheet feeder cover sensor cover sensor registration sensor paper ejection sensor toner sensor and hook switch sensor operate correctly The FAX 8650P has no hook switch sensor In the FAX3750 MFC7750 the LCD shows the FRRETCCVRGHATNHK when the document front sensor detects no paper FR the document rear sensor detects no paper RE the sheet feeder cover is closed TC the top cover is closed CV the registration sensor detects no paper RG the paper ejection sensor detects no paper HA the toner sensor detects toner TN and the hook switch sensor detects the on hook state
106. l cables and harnesses are firmly connected 3 None of the fuses are blown VI 15 2 4 Troubleshooting Procedures 1 Control panel related 1 LCD shows nothing Panel main harness between the main PCB and the control panel PCB Control panel PCB Low voltage power supply PCB Main PCB LCD 2 Control panel inoperative Panel main harness between the main PCB and the control panel PCB Control panel PCB FPC key Main PCB 2 Telephone related 1 No phone call can be made FPC key Control panel PCB NCU PCB Main PCB 2 Speed dialing or one touch Ordinary dialing function other than the speed and dialing will not work one touch dialing If it works normally check the main PCB if not refer to item 1 above 3 Speaker silent during on hook Ordinary dialing function other than the on hook dialing dialing with the hook key If it works normally proceed to the following checks if not refer to item 1 above 4 Dial does not switch between Main PCB tone and pulse 5 Telephone does not ring Speaker NCU PCB Main PCB VI 16 3 Communications related 1 No tone is transmitted Main PCB NCU PCB 4 Paper document feeding related 1 Neither COPY PRESS COPY Sensors by using the maintenance mode function nor FAX NO amp START code 32 Refer to Chapter V Section 3 8 message appears although Document front sensor actuator and document rear documents are set sensor
107. latches poo pis i i 222 2 Y latches Control panel Front IV 11 12 As shown below insert the tip of a flat screwdriver under clamp A from the rear and push up clamp A slightly to release the LCD and then take out the LCD while pulling the LCD flat cable gently NOTE Do not take out the LCD except when the LCD is defective and requires replacement LCD flat cable Clamp Clamp A Control panel Rear Flat screwdriver n__ Reassembling Notes Before reinstalling the LCD to the control panel wipe fingerprints or dust off the LCD surface and control panel window with a soft cloth A new LCD is covered with a protection sheet Before installing it remove the protection sheet To put the LCD back into place insert the tip of a flat screwdriver under clamp A from the rear push up clamp A slightly and then push the LCD to the rear with your thumbs IV 12 1 6 Document Feed Roller ASSY and Document Ejection Roller ASSY 1 Lighily push down arm rib a and shift the document feed roller ASSY to the right and upwards 2 Lightly push down arm rib b and shift the document ejection roller ASSY to the right and upwards without removing the shield film NOTE Take care not to break the arm ribs They may easily break Document feed roller ASSY Document ejection roller ASSY D e a n Reassembling Notes Shield film Make sure that the shield film is on the
108. lease the bosses from the hinges and take it off to the rear 7 Remove the harness support sponges and take out the harnesses from the top cover Routing and fixing the scanner motor harness and grounding wire Harness support sponge Grounding wire Hooks A1 Scanner motor harness Top cover Harness support sponge Scanner motor E va harness CIS harness VA 3 Panel main harness Harness support sponge Panel main and CIS harnesses WM Qy Binder Bosses provided Routing and fixing the inside the top cover panel main harness and CIS harness Inside of the top cover IV 22 8 Remove the two screws from each of the hinges R and L The top cover stoppers also come off Taptite cup B M4x12 Top cover stopper Section x Main cover Hinge L n Reassembling Notes When setting each hinge back into place fit its tab in section x provided on the main cover As illustrated on the previous page route the scanner motor harness and grounding wire through hooks A1 of the top cover and through hooks A2 of the main cover and then fix them with the support sponge Route the panel main harness and CIS harness through hooks B1 of the top cover and through hooks B2 of the main cover and then fix them with the support sponge When connecting the scanner motor harness to the scanner motor connector take care not to bend the shield fi
109. lm Once removed the shield film becomes unusable and a new part will have to be put back in IV 23 1 9 Handset Mount and Hook Switch PCB for the FAX3750 MFC7750 Side Cover for the FAX 8650P 1 Open the top cover N Remove one of two screws from each of right and left top cover stoppers then fully open the top cover Remove the two screws from the handset mount or side cover Su Twist the handset mount or side cover so that it tilts over to the left and its upper end works out of the bosses provided on the main cover NOTE Do not pull the handset mount away from the main cover The hook switch harness is connected to the main PCB in the main cover For the FAX3750 MFC7750 For the FAX 8650P Top cover stopper Top cover For the FAX 8650P el Handset mount Side cover y Taptite cup B M3x10 Main cover Hook switch harness Bosses of the main cover Sus NOR handset mount Main cover Tabs of the For the FAX3750 MFC7750 IV 24 5 Disassemble the handset mount by unhooking two latches a of the upper handset mount with a flat screwdriver 6 Remove the hook switch PCB ASSY by unhooking latch b 7 Disconnect the hook switch harness from the hook switch PCB Upper handset mount le Lower handset mount Latch a Latch gt A Hook switch PCB ASSY Hook switch harness Hook switch harness Routing of the hook switch harness Ro
110. loping transferring erasing and heat fixing processes Electrical charger Laser unit including the polygon motor Laser sensitive drum Developer roller Transfer roller Eraser lamp Heater roller Main motor TI 1 Paper feeding mechanism Low and high voltage power AC supplies Not provided on the FAX 8650P MECHANISMS The facsimile eguipment is classified into the following mechanisms W SCANNER MECHANISM Document feeding and ejecting mechanism Document scanning mechanism W LASER PRINTING MECHANISM Paper pulling in registration feeding and ejecting mechanisms Print process mechanism consisting of charging exposing developing transferring and erasing processes Heat fixing mechanism m SENSORS AND ACTUATORS Document feeding and ejecting mechanism SCANNER MECHANISM Document scanning mechanism Paper ejecting mechanism P llina i d Heat fixing aper pulling in an mechanism i registration mechanism EE ee Beding mechanism LASER PRINTING MECHANISM III 2 2 1 Scanner Mechanism Document ADF parts Document front sensor actuator Document rear sensor actuator Document feed roller ASSY A ng S Hc Document pressure bar E D O T AN Document ejection roller ASSY Document 3 stacker Separation roller ASSY Pressure rollers CIS unit Document tray Pinch rollers 2 1 1 Document feeding and eject
111. m A4 Loading as shown at right Loading more than 20 pages in any ADF A other way will result in a double feed or paper jam 3 No handset is provided on the Australian and New Zealand versions Specifications enclosed in brackets are available if options are used I 2 1 2 Waad OR Yes Fonts Disk Based Multi Purpose Sheet Feeder Custom Size 2 75 x 5 8 5 x 14 Envelop DL C5 CM10 Mona Printer Driver Windows3 1 3 11 95 and NT4 0 Driver with Auto Installer Program Except Germany Period to goin Sleep Mode AA AA Interface Interface Cable Yes Bi Centro No SCANNER Color Mono n a A 22M CI E E COE win RE Fomas mpn A Formats Export y ADF pages 2 D SNNT OCR Co COPY 300 x 600 Collating EE N A a Reduction Enlargement Sorting FAX Yes Modem Speed bps CCITT Group Coding Method Error Correction Mode ECM Transmission Speed sec Gray Scale Super Fine Smoothing Multi Resolution TX Input Output Width LCD Size Handset Duplex Speaker Phone Optional CD ROM required 30 pages under the following conditions Temperature 20 C to 30 C RH 50 to 70 Forms type Xerox 4200 20 ID LTR Xerox 4024 24 Ib LTR M PPC 64 g m A4 Loading as shown at right Loading more than 20 pages in any ADF A other way will result in a double feed or paper jam o
112. maintenance mode function code 05 fifty percent or more of the white level data is faulty This message may appear only in the maintenance mode TONER LOW The toner sensor has detected that there is not enough toner TONER EMPTY The toner sensor has detected that there is no toner If this message appears recording is no longer possible SET CARTRIDGE The toner sensor has detected that no toner cartridge is loaded COOLING DOWN lt The toner thermister has detected that the toner temperature PLEASE WAIT exceeded the specified level If the temperature exceeds the preset level recording is no longer possible Appear alternately MACHINE ERROR XX lt 7 XX indicates an error code Refer to 2 on pages VI 4 and PRESS STOP KEY VI 5 Appear alternately CHANGE DRUM SOON The service life of the drum unit will expire soon This message appears for one minute You can turn this message indication on or off by the maintenance mode function code 10 WSW30 selector 8 Refer to Chapter V Section 3 5 PC BUSY OR FAIL After connected with the host computer the equipment has received no response from the computer A communications error has occurred VI 2 Messages on the LCD Probable Cause PLS OPEN COVER To display the relating detailed error code use maintenance mode function code 82 Refer to Chapter V Section 3 11 If this message appears open and close the top cover The message ma
113. n Laser sensitive drum sensor actuator Heater roller Pull in roller drive gear Gear drive unit 5 v r I Main motor M Heater roller drive gear Paper ejection roller drive gear Drum drive gear III 4 Paper pulling in and registration mechanism Solenoid lever Clutch release lever Solenoid spring Clutch spring SAA N Drown re Pull in roller drive gear Intermediate gear Planetary gear system Clutch gear Paper feed solenoid Gear drive unit Heater roller drive gear Paper ejection roller drive gear Gear 20 90 Drum drive gear The paper pulling in and registration mechanism consists of the pull in roller gear incorporated in the multi purpose sheet feeder planetary gear system paper feed solenoid solenoid lever clutch release lever and registration sensor For the details about the sensor refer to Section 2 3 If the main motor rotates clockwise the rotation is transmitted to the intermediate gear of the planetary gear system As the intermediate gear rotates the pull in roller drive gear also rotates since the clutch gear is locked by the solenoid lever and the clutch release lever Accordingly the pull in roller in the multi purpose sheet feeder rotates to pull in paper into the equipment a sheet at a time If the paper feed solenoid is retracted and the clutch release lever is operated according to the cam profile of the pull in roller gear so as to rel
114. n time length Upon detection of the 1st dial tone for the time length set by these selectors the equipment starts dialing This setting is effective only when selectors 1 through 3 of WSWO5 are set to 1 1 1 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 equipment waits dial tone input for the specified time length and disconnects itself from the line when no dial tone is inputted WSWO Protocol definition 1 Frame lengih selection 256 octets 1 64 octets Use of non standard commands Allowed 1 Prohibited 3 times 2 times 1time 0 0 3 0 4 times No of retries 0 1 1 0 300 sec 1 60sec No Elapsed time for time out control for no response from the 140 sec in the French versions called station in automatic 70 sec in other versions sending mode 90 sec 35 sec 3 4 RE 7 8 NOTE Selectors 1 through 6 are not applicable in those models which do not support ECM 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 facsimile equipment can divide a message into 64 octet frames Remarks The error correction mode ECM is a facsimile transmission manner in which the equipment divides a message into frames for transmission so
115. nd after dialing and then disconnect the line Selector 7 Busy tone detection in automatic receiving mode This selector determines whether or not the equipment automatically disconnects a line upon detection of a busy tone in automatic receiving mode WSW O6 Pause key setting and 2nd dial tone detection No pause 3 5 sec WAIT 7 sec WAIT i 10 5 sec WAIT Pause key 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 S Detection of international tone NOTE Selectors 4 through 8 are not applicable in those countries where no dial tone detection is supported e g U S A Selectors 1 through 3 Pause key setting and 2nd dial tone detection Selectors 1 2 8 0 0 0 No WAIT is inserted even if the Pause key is pressed 0 0 1 If you press the Pause key during dialing the facsimile equipment will 0 1 0 insert WAIT as defined in the above table 0 1 1 If the Pause key is pressed repeatedly the equipment inserts the 1 0 0 specified WAIT multiplied by the number of depressions It applies also in hook up dialing 0 1 When these selectors are set to 1 0 1 i s If you press the Pause key during dialing the equipment will wait for the 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 key during dialing th
116. nector which is for the adjustment in the factory Do not disturb it Routing on the underside of the laser unit Boss Polygon motor flat cable Hooks Laser unit placed Toner sensor harness upside down Toner sensor PCB g Laser diode harness Glass Toner sensor harness Mirror Polygon motor flat cable Laser diode harness Laser unit Toner sensor n Reassembling Notes Before putting the laser unit back into place check for any toner particles paper dust or dirt and clean them out When installing the laser unit make sure that the laser diode harness toner sensor harness and polygon motor flat cable are routed as shown above Make sure that the sponge is placed below the laser unit IV 28 1 12 Bottom Plate 1 1 Turn the facsimile equipment upside down 2 Remove two screws b from the interface connector 3 4 3 4 Remove seven screws c and three screws d from the bottom plate Slightly lift up the bottom plate then take off the AC cord bushing and remove screw e from the grounding terminal b Screw pan M3x6 c Taptite bind B M4x12 ad Taptite cup S M3x6 e Screw pan washer M4x8DB oo o9090 0853838 159808 AC cord bushing i Grounding wire Power b cord Bosses Front Main cover placed upside down Interface connector Scanner grounding plate IV 29 n Reassembling Notes When put
117. ness Main PCB At the printer side Check that the laser unit is secured with the screws without looseness Check the connection of the polygon motor flat cable on the main PCB Replace the laser unit VI 21 11 Blurred at either side At the printer side Shake the toner cartridge If the problem persists replace it Check that the equipment is placed on a flat surface Shake the drum unit from left to right and front to back 12 Dirt back of paper At the printer side Replace the drum unit Replace the heat fixing unit 13 Poor fixing At the printer side Instruct the user to use paper of the recommended weight less than 36 Ib m i D Replace the heat fixing unit VI 22 Location of High voltage Contacts and Grounding Contacts Grounding Contacts High voltage Contacts For transfer roller he a Drum unit VAR SS For cleaner For developer roller roller For grid For corona wire Gear drive unit Drum grounding 3 E J Se S power supply PCB A H PP VI 23 Oct 98 SM5K5303 Printed in Japan FAX3750 FAX 8650P MFC7750 Appendix 1 EEPROM Customizing Codes EEPROM Customizing Codes This function allows you to customize the EEPROM according to language function settings and firmware switch settings B Operating Procedure 1 FAX3750 MFC7750 To make the equipment enter the maintenance mode press the Function 2 8 6
118. no dial tone detection function e g in the U S A setting these selectors to 1 makes the equipment start dialing after a WAIT of 3 5 seconds For the detecting conditions of the 1st dial tone refer to WSW07 and WSWO8 Other setting combinations deactivate the dial tone detection function so that the equipment 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 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 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 Selectors 5 and 6 Busy tone detection in automatic sending mode These selectors determine whether or not the eguipment 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 equipment does not disconnect the line Setting selectors 5 and 6 to 0 and 1 respectively makes the equipment detect a busy tone only after dialing and disconnect the line Setting both of selectors 5 and 6 to 1 makes the equipment detect a busy tone before a
119. open the upper cover and remove it 9 Remove screw d and loosen screw c 0 10 Hold the lock plate of the FU lamp between your fingers and pull out the FU lamp from the heater roller CAUTION Do not touch the FU lamp If you have touched it clean it thoroughly with alcohol C Loosen this Latch Setting the FU lamp d Insert the right EEN lock edge of the wire into plate the folded lock plate ae e Lower cover Nt Heater roller Lock plate Unhooking the latch n__ Reassembling Notes When setting the FU lamp into the heat fixing unit be sure to insert the right edge of the wire into the folded lock plate A new heat fixing unit will be provided with the heater thermister harness being taped to the unit When installing the unit remove the tape IV 27 1 11 Laser Unit and Toner Sensor PCB 1 Remove the screw Taptite cup B M3x8 from the toner sensor PCB 2 Slightly lift up the toner sensor PCB and disconnect its harness 3 Remove the three screws from the laser unit 4 Slightly lift up the laser unit and disconnect the following from the main PCB Laser diode harness 5 pin Toner sensor harness 4 pin if the toner sensor PCB is installed Polygon motor flat cable NOTE When handling the laser unit take care not to touch the inside of the unit glass or mirror NOTE On the small PCB at the right side of the laser unit is a 2 pin con
120. orotner FACSIMILE EQUIPMENT SERVICE MANUAL MODEL FAX3750 FAX 8650P MFC7750 Copyright Brother 1998 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 PREFACE This publication is a Service Manual covering the specifications construction theory of operation and maintenance of the Brother facsimile equipment It includes information required for field troubleshooting and repair disassembly reassembly and lubrication so that service personnel will be able to understand equipment function to rapidly repair the equipment and order any necessary spare parts To perform appropriate maintenance so that the facsimile equipment is always in best condition for the customer the service personnel must adequately understand and apply this manual This manual is made up of six chapters and appendices CHAPTER I GENERAL DESCRIPTION CHAPTER II INSTALLATION CHAPTER III THEORY OF OPERATION CHAPTER IV DISASSEMBLY REASSEMBLY AND LUBRICATION CHAPTER V MAINTENANCE MODE CHAPTER VI ERROR INDICATION AND TROUBLESHOOTING Appendix 1 EEPROM Customizing Codes Appendix 2 Circuit Diagrams This manual describes the models and their versions to be destined for major countries The specifications and functions are subject to change depending upon each destination SAFETY INFORMATION La
121. ough the latch as shown above IV 37 1 19 Gear Drive Unit 1 Make sure that the heat fixing unit is removed 2 Remove the three screws from the gear drive unit 3 Lift the gear drive unit up and out of the main cover T Taptite cup B M4x20 Gear drive unit Main motor harness from the main PCB Latches a Drum grounding harness Ze the high voltage power supply PCB L Solenoid harness blue d SE from the main PCB Hook switch harness red from the main PCB Main cover placed upside down Latch b IV 38 4 To take off the motor cover and main motor remove two screws x 5 To take off the paper feed solenoid solenoid lever or clutch release lever remove three screws y xo Taptite cup S M3x8 Motor cover Main motor Motor bracket Taptite cup Solenoid lever B M4x20 Clutch release lever Solenoid spring Solenoid Clutch spring spring Gear 20 94 Clutch release lever Solenoid lever Pull in roller drive gear Planetary Intermediate gear gear system Gear drive unit Clutch gear Paper feed solenoid IV 39 1 20 NCU PCB 1 Make sure that the MJ cover low voltage power supply PCB and gear drive unit are removed 2 Remove the screw from the NCU bracket 3 Slightly lift up the NCU bracket which holds the NCU PCB and then disconnect the NCU harness from the NCU PCB Routing of the NCU ha
122. r related portions function properly before operation checks IV 1 Tightening Torgue List Location Option cover ADF parts Panel rear cover Scanner frame ASSY Scanner motor Scanner grounding leaf spring CIS shield plate Pinch roller leaf spring Control panel locks Scanner drive unit Top cover stopper Hinges on top cover Hinges on main cover Handset mount Heat fixing unit Laser unit Toner sensor PCB Bottom plate AC grounding wire Interface connector Low voltage power supply PCB Main PCB High voltage power supply PCB Gear drive unit Main motor NCU bracket NCU PCB Scanner grounding plate Screw type Screw pan washer M3x8DB Taptite pan washer B M3x6 Taptite cup B M3x8 Taptite cup B M3x10 Screw pan washer M3x6DA Taptite cup S M3x6 Taptite cup S M3x6 Taptite cup B M3x8 Taptite cup B M3x8 Taptite cup B M3x8 Taptite cup B M3x10 Taptite cup S M3x6 Taptite bind B M4x12 Taptite cup B M4x12 Taptite cup B M3x10 Taptite bind B M4x12 Taptite bind B M4x12 Taptite cup B M3x8 Taptite bind B M4x12 Taptite cup S M3x6 Screw pan washer M4x8DB Screw pan M3x6 Taptite cup S M3x6 Taptite bind B M4x12 Taptite bind B M4x12 Taptite cup B M4x20 Taptite cup S M3x8 Taptite bind B M4x12 Taptite cup S M3x6 Taptite cup B M3x8 IV 2 Q ty Po 43 wp A pp Da wo po BR gt RO M WON m wo 2 Tightening
123. r ERR received at the called terminal Available in German versions only 11 General communications related Unable to receive the next page data PC interface error 03 Unable to receive polling even during turn around transmission due to call reservation VI 11 12 Transmission in V 34 mode AAA SS Modem error detected during V 34 negotiation or training For modem error details refer to the table below A eee Modem error detected during sending of commands For modem error details refer to the table below Modem error detected during receiving of commands For modem error details refer to the table below ee IR 0 30 Modem error detected during sending of video signals For modem error details refer to the table below 3i Modem error detected during receiving of video signals For modem error details refer to the table below Modem error details Code 3 Ce a m NEN m 29 Timeout war or econo ps evens EE 29 vimeo waina o a phase evens a AAA o y 2A Checksum error in INFO1 VI 12 Timeout waiting for S Sbar in HDK resync B4 R VI 13 os rimas eMe 7 rimas er on rim o segle wamama e oannes ws m SSC RSC m SSC E 13 Maintenance mode Failed to detect 1300 Hz signal in burn in operation Failed to detect PB signals in burn in operation 14 Eguipment error Equipment error For X X refer to Section 1 1 2
124. r cord is unplugged from a wall socket N Make sure that your computer is powered off 3 Connect the interface cable to the parallel interface port on the back of the equipment and secure it with the lock wires Connect the other end of the interface cable to the printer port of your computer and secure it with the two screws co ws Power on your computer o6 Plug the equipment s power cord into a wall socket RN lt AU Interface cable Sy da CH HA ai a EN E Host computer Installing the update data onto the flash ROM of the facsimile eguipment 1 Load the floppy disk which stores the update data and transfer utility into the floppy disk drive of your computer Or copy the update data and transfer utility onto the same directory of the hard disk 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 If it is a floppy disk drive type A from the command line and press the ENTER key Check that your computer is connected with the facsimile equipment correctly To start the transfer utility transmitting the update data to the flash ROM of the facsimile equipment type the following A ICEN filename b Then press the ENTER key The equipment beeps and shows the CONNECTING on the LCD for one second Then the
125. retrieval feature transfers the message WSW22 ECM setting ECM in sending 0 ON 1 OFF ECM in receiving 0 ON 1 OFF Acceptable TCF bit error rate Only at 4800 bps ape NN 5 ECM Error correction mode NOTE Selectors 5 through 8 are applicable to the Asian versions only Selectors 5 through 8 Acceptable TCF bit error rate Setting two or more selectors to 1 produces addition of percent assigned to each selector If you set selectors 7 and 8 to 1 the acceptable TCF bit error rate will be 3 WSW23 Communications setting Starting point of training check 0 From the head of a series of zeros TCF 1 From any arbitrary point No 2 Allowable training error rate 2200RA 2 00 20200d0 000 Issue of RTN at the occurrence of oy oN a pagination error 0 Yes 1 No Resolution level for reception 0 Yes 1 No Limitation of attenuation level 0 Yes 1 No NOTE Selector 8 is not applicable to the French versions 2 3 4 Decoding error rate for E transmission of RTN 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
126. rness Taptite bind B M4x12 NCU bracket NCU PCB NCU harness 2 Bosses NCU harness 2 NCU harness Main cover placed upside down Front IV 40 4 Remove the screw and take off the NCU PCB from the NCU bracket NCU harness 2 NCU harness 27 Ferrite core NF 80 NCU PCB Taptite cup S M3x6 m Reassembling Notes When setting the NCU PCB to the NCU bracket fit its edges onto b and c and into a and d as illustrated above First bind the NCU harness and NCU harness 2 together with the ferrite core NF 80 so that the NF 80 comes near to the binder on the NCU harness 2 as shown above and connect those harnesses to the main PCB Then hook them to the two latches and route them between the two bosses as illustrated on the previous page IV 41 1 21 Scanner Grounding Plate 1 Make sure that the heat fixing unit is removed 2 Remove the screw from the scanner grounding plate and take it off If the bottom plate has not been removed remove front screw c also see page IV 29 that secures both the scanner grounding plate and bottom plate 3 You may peel off the anti static brush from the scanner grounding plate Scanner grounding plate Scanner grounding plate Bosses e Taptite cup Attaching the scanner grounding plate Main cover W M Reassembling Notes Once removed the anti static brush will become unusable and new one will have
127. rors it will stick to the transfer roller To repulse this toner the switch b see the above illustration is turned on to positively charge the transfer roller The toner returns from the transfer roller to the drum Cleaning the drum In the transferring process not all the toner particles on the drum are transferred onto the paper but some toner particles remain on the drum The cleaner roller cleans the drum surface and collects the residual toner When printing starts or during non printing the toner collected on the cleaner roller will be discharged onto the drum and returned to the chamber through the developer roller for recycling in the subsequent developing process 5 Erasing process The eraser lamp emits light to expose the drum surface which erases the residual electrical charge III 8 2 2 3 Heat fiking mechanism Pressure roller Paper ejection roller i CH Heater roller including the FU lamp o Paper Heat fixing unit Paper ejection sensor actuator As the paper passes between the heater roller and the pressure roller in the heat fixing unit the heater roller fuses the toner on the paper III 9 2 3 Sensors and Actuators This equipment has ten sensors seven photosensors two thermisters and a mechanical switch as described below Sensor name Type Located on Document front sensor Photosensor Control panel PCB ASSY Document sensor PCB Document rear sensor Photosensor Control panel
128. rs activate or deactivate the alarm function which sounds an alarm when the communication is completed with the handset being off the hook Selector 3 Power failure report output This selector determines whether or not the equipment outputs a power failure report when the power comes back on Selector 4 Calendar clock prompt alternate display If this selector is set to 1 the calendar clock and the prompt INSERT DOCUMENT appear alternately on the LCD while the equipment is on standby if it is set to 0 only the calendar clock appears Selector 5 Calendar clock type If this selector is set to 0 USA the MM DD YY hh mm format applies if itis 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 Selector 7 Non ring reception Setting this selector to 1 makes the equipment receive calls without ringer sound if the ring delay is set to 0 WSW18 Function setting 3 40 sec O sec No detection 5 sec 80 sec Detection enabled time for CNG and no tone MA Registration of station ID station ID Permitted Prohibited No monitoring Up to phase B at the Tone sound monitoring calling station only i All transmission phases both at the calling and called stations Selectors 2 and 3 Detection enabled time for CNG and no tone After the line is connected via the external telephone or by picking up th
129. selector to 1 automatically switches DPS following the CML ON OFF operation Selector 2 Time length from transmission of the last dial digit to CML ON This selector sets the time length from when the equipment transmits the last dial digit until the CML relay comes on Selector 3 Time length from CML ON to CNG transmission This selector sets the time length until the equipment transmits a CNG after it turns on the CML relay Selector 4 Time length from CML ON to CED transmission This selector sets the time length until the equipment transmits a CED after it turns on the CML relay This setting does not apply to switching between facsimile and telephone Selectors 5 and 6 No of training retries These selectors set the number of training retries to be repeated before automatic fallback Selectors 7 and 8 Encoding system Compression This selector determines whether or not use of the MR MMR coding system will be allowed WSW11 Busy tone setting Narrows by 10 Hz Initial value Widens by 10 Hz Frequency band range A LL 1 400 600 400 600 ms ON OFF time length ranges 1 175 440 175 440 ms More than one setting allowed 1 700 800 700 800 ms 1 110 410 320 550 ms 1 100 660 100 660 ms NOTE WSWh11 is not applicable in those countries where no busy tone detection is supported NOTE The setting of WSW11 is effective only when selectors 5 and 6 of WSWO5 are set to 0 1 or 1 1 Busy tone detection i sg
130. ser Safety 110 120V Model only This printer is certified as a Class 1 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 housings and external covers the laser beam cannot escape from the machine during any phase of user operation CDRH Regulations 110 120V Model only The Center for Device and Radiological Health CDRH of the US Food and Drug Administration implemented regulations for laser products on August 2 1976 These regulations apply to laser products manufactured from August 1 1976 Compliance is mandatory for products marketed in the United States The label shown below indicates compliance with the CDRH regulations and must be attached to laser products marketed in the United States The label for Japanese products MANUFACTURED MAY 1998 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 CHAPTER I GENERAL DESCRIPTION CONTENTS EQUIPMENT OUTLINE II 1 1 1 1 Extemal Appearance and Well iii 1 1 TE COMPONSE ai 1 1 SPECIFICATIONS 1 EOUIPMENT OUTLINE 1 1 External Appearance and Weight The figure below shows the eq
131. speed limit 9 600b to the PC e m ya 7 200 bps 7 8 Selectors 4 and 5 FAX receiving speed to be kept within the transmission speed limit to the PC To transmit FAX data being received from other facsimile equipment to the connected PC you may need to keep the FAX receiving speed within the transmission speed limit to the PC In an initial negotiation sequence for transmission the equipment responds to the calling station with the allowable FAX receiving speed specified by these selectors WSW3A Function setting 12 1 Not used 5 No 6 Number of DTMF tone signals for inhibiting the detection of CNG 7 during external TAD operation CNG detection when the external Only when the 1 Always telephone is connected with a line equipment detects TAD mode itself being called Selectors 6 and 7 Number of DTMF tone signals for inhibiting the detection of CNG during external TAD operation If the equipment 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 Selector 8 CNG detection when the external telephone is connected with a line in TAD If this selector is set to 0 the equipment will detect a CNG signal only when it detects itself being called If the external telephone is connected with a line before the equipment detects itself being called the equipment will not longer detect
132. t malfunctions in overseas communications According to the communications error state select the signal specifications Setting selector 2 to 1 allows the equipment 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 equipment 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 Selectors 8 CNG detection on off If this selector is set to 1 the equipment detects 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 equipment detects a CNG signal as long as the line is connected WSW21 TAD setting 1 1 Not used 7 Erasure of message stored in the memory after the message transfer Selector 8 Erasure of message Setting this selector to 0 will erase the message recorded in the memory after the document
133. t 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 Selectors 7 Redialing for no response sent from the called terminal This selector determines whether or not the equipment redials if no G3 command response comes from the called station after dialing within the time length set by selectors 7 and 8 of WSWO9 WSW16 Function setting 1 o CTN LL CCITT superfine recommendation 0 OFF 1 ON 3 6 Not used Max document length limitation 0 400 cm 1 90 cm Stop key pressed during reception 0 Not functional 1 Functional Selector 2 CCITT superfine recommendation If this selector is set to 1 the equipment communicates in CCITT recommended superfine mode 15 4 lines mm If it is set to 0 it communicates in native superfine mode Selector 7 Max document length limitation This selector is used to select the maximum length of a document to be sent Selector 8 Stop key pressed during reception If this selector is set to 1 pressing the Stop key can stop the current receiving operation The received data will be lost WSW17 Function setting 2 No alarm Off hook alarm Always valid Valid except when call reservation is selected ER LENIN RAN display E s CT E NOTE Selector 4 is not applicable to those models having a 2 row LCD Selectors 1 and 2 Off hook alarm These selecto
134. t 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 takes 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 a 2 value quantization white level data 2496 bytes b 2 value quantization black level data 1 byte c LED light intensity value 2 value quantization LED light intensity value and photo mode LED light intensity value 3 bytes d 2 value quantization A D high and photo mode A D high values 2 bytes e A D low value 1 byte f Compensation data for background color 1 byte 3 Upon completion of recording of the compensation data list the equipment returns to the initial stage of the maintenance mode NOTE When the equipment prints monochrome images after monochrome scanning only the green data is valid NOTE If any data is abnormal its code will be printed in inline style as shown on the next page a Ex CH Ss T moms iT Cn E L ug CH coles oo SS oo i Ee I IA Gi CET
135. than the current setting No change from the current setting For lower transmission speed than the current setting For further lower transmission than the setting made by 1 0 7 og meee 00 0 NOTE WSWS38 takes effect only in the V 34 mode Automatic Control of Modem s EQM Gain for Proper Transmission Speed Choice Selectors 1 and 2 Setting of the Equalizer These selectors set the equalizer s training level to be applied if the facsimile equipment 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 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 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 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 the possible speed so that it always repeats falling back WSW39
136. that if any data error occurs on the transmission line the equipment retransmits only those frames containing the error data Selector 2 Use of non standard commands If this selector is set to 0 the equipment 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 equipment will use standard commands only Selectors 3 and 4 No of retries These selectors set the number of retries in each specified modem transmission speed Selector 5 T5 timer This selector sets the time length for the T5 timer Selector 6 T1 timer This selector sets the time length for the T1 timer Selectors 7 and 8 Elapsed time for time out control If the equipment receives no response no G3 command from the called terminal in automatic sending during the time set by these selectors it disconnects the line V 22 WSW10 Protocol definition 2 Switching of DPS following the i CML ON OFF GE DR Time length from transmission of i the last dial digit to CML ON SE PAm Time length from CML ON to CNG 0 2 sec ae Seo 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 2 times 3 times 4 times 1 Encoding system 0 Allowed 1 Notallowed 8 Compression 0 Allowed 1 Not allowed Selector 1 Switching of DPS following the CML ON OFF Setting this
137. ting the bottom plate into place secure the grounding wire to the bottom plate with screw e fit the AC cord bushing into the cutout of the bottom plate and fit the holes over the bosses of the main cover First tighten screws b interface connector screws and then tighten screws c and d Once removed the spacer will become unusable and new one will have to be put back in When replacing the bottom plate with a new one be sure to attach a new spacer to the new bottom plate as specified below a 9 CR anes AN O O E ESSE o o A ON y AE O to 2 mm Bottom plate Spacer IV 30 1 13 Low voltage Power Supply PCB 1 Remove the screw from the low voltage power supply PCB 2 Slightly lift up the low voltage power supply PCB and disconnect it from the main PCB 3 Disconnect the heater harness of the blue and brown wires from the low voltage power supply PCB Q Taptite cup S M3x6 Low voltage NCU bracket NCU PCB inside Heater harness brown and blue wires Wire guides Main PCB Fan harness Main cover placed upside down n Reassembling Notes Be sure to route the heater harness through the three wire guides as illustrated above IV 31 1 14 Main PCB For the FAX 8650P take the battery ASSY out of the supports at the rear of the main cover Remove the screw from the main PCB Slightly lift up the main PCB and disconnect it from the low voltage power
138. uipment may mistakenly detect PC powered off Selector 5 Escape from Phase C This selector determines whether or not the equipment 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 Selectors 6 through 8 Lower limit of frequency to be ignored after detection of calling signals Ci At the start of reception if the equipment 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 equipment 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 equipment 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 equipment starts automatic reception of FAX data if in the FAX mode or enters the TAD mode if set in the TEL mode according to the preset number of ringers V 46 WSW 37 Function setting 15 1 Not used 8 WSW38 Function setting 16 Setting of the Equalizer Automatic Fixed to 4 points Fixed to 16 points 3 Sending Level of Guard Tone at 0 Normal 7db 1 Normal Phase 2 4 Stepping Down the Transmission 0 2400bps 1 4800 bps Speed at Fallback Each No 5 6 For higher transmission speed
139. uipment appearance and approximate dimensions including handset 13 1 Weight Machine proper Approx 7 2 kg Machine incl drum unit amp toner cartridge Approx 8 5 kg In package Approx 12 kg 1 2 Components The equipment consists of the following major components Control panel ASSY Document guide base Multi purpose sheet feeder Ac Ga SIS Laser unit Heat fixing unit c NA WAA Scanner frame Handset ae IRS NZ ASSY Handset mount RS KY A EU ey 157 Main cover t a REE NCU Side cover J x EH Main PCB Fe High voltage power supply PCB Gear drive unit Low voltage power supply PCB Bottom plate 1 Provided on the FAX3750 MFC7750 2 Provided on the FAX 8650P 2 SPECIFICATIONS 1 2 Model Aaa O MB Yes Emulation Standard PP Fonts Resident__________ __________ ___________ ___ 24bitMAP PCL4Comp Multi Purpose Sheet Feeder Custom Size 2 75 x 5 8 5 x 14 Custom Size 2 75 x 5 8 5 x 14 Envelop DL C5 CM10 Mona Envelop DL C5 CM10 Mona with Auto Installer Program Installer Program Utility Software RP Period to go in Sleep Mode 9 di OPT 300x600 1200 x 1200 OPT300x600 1200x1200 Yes di 0 E ET IS NEE Dodag A A 1 AI Yes Yes Yes Optional CD ROM required 30 pages under the following conditions Temperature 20 C to 30 C RH 50 to 70 Forms type Xerox 4200 20 ID LTR Xerox 4024 24 Ib LTR M PPC 64 g
140. ute underneath the hook switch PCB n__ Reassembling Notes When assembling the upper and lower handset mounts route the hook switch harness underneath the hook switch PCB and through the cutout as shown above Take care not to pinch the harness between the upper and lower mounts IV 25 1 10 Heat fixing Unit FU Lamp and Paper Ejection Sensor Actuator EL eraser lamp Open the top cover Remove one of two screws from each of right and left top cover stoppers then fully open the top cover Remove screw a Lift the left end of the heat fixing unit up and to the left to release the right hand boss from the main cover hold it up and disconnect the heater harness of the blue and brown heater wires Then disconnect the heater thermister harness from the EL eraser lamp board Remove the paper ejection sensor actuator from the main cover Top cover Screw a Taptite Heat fixing unit bind B Brown heater wire Paper ejection sensor actuator Heater thermister harness Blue heater wire board Heater thermist Boss i harness Wire guide Blue heater wire Brown heater wire Paper ejection Heat fixing unit sensor actuator Main cover Heater harness IV 26 6 To take out the FU lamp from the heat fixing unit remove two screws b 7 Unhook the two latches outwards with the tip of a small flat screwdriver and open the upper cover 8 Fully
141. vss DV ABUS ANDE 6 c AREF y 740 q 270 Ae 5 43 7 8 SS FSIN A0 ETS nae F SOUT At 39K 10 5V A2 kiaza os one BE ea ae persus 0 Ke SESCH H TEST2 R47 14 DOR 6 E 47 TESTS Do 150 41 472MHZ eegen TESTA D1 XT3 DA 7 TEST5 D2 y de R67 Ras m ye t D2R 8 Mov 5V EGE N 5 Moni D4 e E Jee mone D5 D3R 9 S 3 Mons D6 R5 2 NT Mona D7 5 3 DAR 1 gg R68 R70 N mons GEK O PM LL 3 oa NY mone 13 cov 11 MRST Den R RS Fa o SBS EE 13 s monem wakwa HI P1 BEIS np L218 on D7R f Y y Ines 9 RDH 13 P1 sov HSPLY 73C iD 138 71 a HOPO GC O 5V EE MRST v4 MSL 74c XJ HOP2 MESEL a ui ur 45B 68 T 12B TADH 74B X gt HOP1 NTD57 MCE DRE a FETA 44B 15 s DACK MOV NC RD 56 44B 16 1 no DT CK Ey gt D RXD N L WR ms v O e i AVDD ro 44B 17 Ce c79 AVDD DOOR O MI NTH 10V aa GOTO COS HAS 630 18 1 63 100K zo AGND RTS MOV DAM A GN D 5v 19 R71 C58 CC104B m WA eo 79 BXI NA EYECKO s ig LK E m AKI NB EYECKI 104 SNNNC no fS VBIAS EYEDAT 5 gt R102 75K EV 2t m TR SCH TXOUT E Y E S Y c FA o oo on es I sole z lt 2 G7 BI d 2 MEUS 56K CC2210CH rom Teo CC104 z On oo A TXO R85 i a 748 56K E 10 K1 324 MOV 418 AREF 685 J R103 450 pa 4 7K CC102B AREF SR M D 130 ASSY FAX3750 MFC7750 O MOV 8 13 L c46 7WU04F T cc104 O cov NOT ASSY FAX3750 MFC7750 1 2 3 A 4 5 6
142. y disappear if opening closing the top cover removes the error If the error persists the MACHINE ERROR X X will appear instead of this message If only an alarm beep is heard without any message on the LCD when the equipment is powered up the ROM or RAM will be defective VI 3 2 Error codes shown in the MACHINE ERROR X X message Error Code XX Error factor ejection sensor still stays OFF Error codes in parentheses do not appear in the MACHINE ERROR X X since those errors are displayed as messages described in 1 Error messages on the LCD Those error codes appear in the communications error list if an equipment error occurs during communications Refer to Section 1 2 13 VI 4 Error Code XX Error factor Error codes in parentheses do not appear in the MACHINE ERROR X X since those errors are displayed as messages described in 1 Error messages on the LCD Those error codes appear in the communications error list if an equipment error occurs during communications Refer to Section 1 2 13 VI 5 1 2 Communications Errors If a communications error occurs the facsimile equipment D emits an audible alarm intermittent beeping for approximately 4 seconds displays the corresponding error message and 9 prints out the transmission verification report if the equipment is in sending operation VI 6 B Definition of Error Codes on the Communications List 1 Calling Oo ET E
143. you press the Stop key or no keys are pressed for one minute in the above procedure the equipment stops the procedure and returns to the initial stage of the maintenance mode 3 11 Eguipment Error Code Indication H Function This function displays an error code of the last error on the LCD B Operating Procedure 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 To stop this operation and return the equipment to the initial stage of the maintenance mode press the Stop key 3 12 Output of Transmission Log to the Telephone Line B Function This function outputs the transmission log that the equipment has stored about the latest Otransmission to the telephone line It allows the service personnel to receive the transmission log of the user s equipment at a remote location and use it for analyzing problems arising in the user s equipment B Operating Procedure 1 If the user s equipment has a transmission related problem call the user s equipment at a remote location from your equipment 2 If the line is connected have the user perform the following 1 FAX3750 MFC7750 Press the Function Mode and 0 keys in this order FAX 8650P Press the Menu Mode and 0 keys in this order 2 Press the 8 and 7 keys The above operation makes the user s equipment send CNG to your equipment for sending the transmission log 3 If you hear the CNG sent from th

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