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Service Manual: Stella-C1a/Stella-C1b/S-C1a/S

1. f N Tray 5 Anal 09 Heater FCU Converter Data T Processing Fnergy FROM SRAM DRAM Save Switching 4 gt A 28 22 N CPU BUS Reset N y Backup SUPA 2 BUS N a y PSU lt 1 Backup VPL CIOP Y v Heater Processing Power Pack Scanner Plotter EN Control Circuit Control Driver Driver 4 4 y v 1 e ECT i ional LDDR SBU Power Pack Plotter i TO EIAS ves Standard Mechanical Printer Controller i Counter B046 and B049 only ja re eos Option Board IEEE1284 Note Mechanical counter is standard on B044 and B046 IW dee el B046D553 WMF 6 8 24 July 2001 MAIN PCBS SPC2 The machine s CPU Utilizes a dual bus structure CPU bus and DMA bus and includes DMA DCR JBIG and energy save control circuits VPL Video Processing LSI This chip implements video processing utilizing the following internal blocks e VPM Video Processing Module Implements scanning control and image processing e LIF Laser Interface Implements printing control and image processing CIOP Communications and I O Processing Implements communication and I O control circuits Runs at 9 83MHz clock signal supplied
2. Motors Exposure Quenching Main Polygon Scanner Lamp Lamp Toner Supply Lamp Sensors SBU Thermistor Fan Clutch Clutch Stabilizer Paper Feed qu a LD Unit 4 m HVP Board FCU Y st Registration 58 Clutch Clutch Operation Panel Unit Printer Controller Printer Board Options DF Sensor Connection Mechanical DIMM RS232C NCU PSU Board Counter Paper Sensors DF Motor DF Clutch Tray Heater Standard Fusing Lamp L Option B046D551 WMF NOTE The DF connection board NCU and speaker are standard on fax equipped models B046 and B049 and optional on B044 and B045 7 25 Ls S 2g 5 6 7 MAIN PCBS 24 July 2001 6 5 MAIN PCBs 6 5 1 FCU FUNCTION FACSIMILE CONTROL UNIT The FCU is the machine s main controller It controls scanning printing fax operations B046 9 only image processing power mode switching and it interfaces with standard and optional peripherals and with the user It holds the machine s FROM SRAM and DRAM and provides the slot for the optional DIMM Note that fax related components are not included on FCUs that ship on models B044 and B045 Flash OPU Memory Monitor Card 27
3. D 3 4 La 450 mm 17 7 EZ A Front 750 mm A Left gt 100 mm C Rear gt 105 mm D Right 230 mm 9 6 29 3 9 4 1 9 0 468 mm 1 8 4 B0461130 WMF NOTE 1 The 750 mm front space indicated above is sufficient to allow the paper tray to be pulled out Additional space is required to allow an operator to stand at the front of the machine 2 Actual minimum space requirement for left rear and right sides is 10mm 0 4 each but note that this will not allow room for opening of the bypass tray right door platen cover or ADF unit 24 July 2001 INSTALLATION REQUIREMENTS 1 1 4 POWER REQUIREMENTS NCAUTION Make sure that the wall outlet is near the machine and easily accessible After completing installation make sure the plug fits firmly into the S n a E outlet Avoid multi wiring Be sure to ground the machine Input voltage North America 120 V 60 2 7 A Europe 220 240 V 50 60 Hz 4A Image quality guaranteed at rated voltage 10 Operation guaranteed at rated voltage 15 COPIER 24 July 2001 1 2 COPIER 1 2 1 ACCESSORY CHECK Check that you have the accessories indicated below Note that accessories vary according to model and location 2 i NID A Description Copier Operating Instructions 17
4. 3 4 39 1 PLATEN GOW 3 4 3 3 2 REAR COVER ted edt DH et dtu qutd oo ae 3 4 dog CORY nent n i ion 3 5 3 3 4 SCALE PLATE B044 AND B045 3 5 LEFT COVER c 3 6 336 RIGHT COVER tpm tx cm e e pe 3 6 3 3 7 FRONT LEFT COVER AND OPERATION PANEL 3 6 3 3 8 FRONT RIGHT COVER tete totae 3 6 RICATTO O OR tede b ves ee I 3 7 3 3 10 BYPASS TRAY B044 AND B046 3 7 3 3 11 PLATEN COVER SENSOR 3 8 324 SCANNER SECTION S EN reto p breite Eee er 3 9 34 1 EXPOSURE GLASS quce ao inus Ed e AH FOR n Fac 3 9 Nona machities e Eu 3 9 TIechifIBS acci ctn E sets KE FUR ER 3 9 LENS BLOCK epe ete oaa ams NEM 3 10 3 4 8 EXPOSURE LAMP LAMP STABILIZER 3 10 3 4 4 SCANNER 3 11 345 SCANNER HP SENSOR tero ppt ton p pis ascia cdd 3 11 3 4 6 SCANNER ALIGNMENT ADJUSTMENT 3 12 SO FUSING Decr i M
5. B444 4 2 4 UNIT OPEN SWITCH AND GUIDE OPEN SENSOR B444 5 2 5 OVERALL ELECTRICAL CIRCUIT i B444 5 3 REPLACEMENT AND ADJUSTMENT B444 6 9 1 DF UPPER COVERS it B444 6 ORIGINAL TABLE imo das B444 6 3 3 FEED ooo eee eese etes B444 6 eor 444 7 3 5 DF FEED RBOLLDER eee nese eee Eee eee Eee ne B444 7 vii 3 6 DF SEPARATION 444 8 et SUO Ac B444 9 3 9 DF FEED CLUTGCLHI iiit eit toe itis tlt ease B444 10 9 9 SENSORS ee t tt ca eat B444 10 3 10 DF EXPOSURE GLASS epoca us niente B444 11 3 11 DF CONNECTION B444 11 SPECIFICATIONS 1 GENERAL 5 SPEC 1 2 MACHINE SPEC 5 3 OPTIONAL EGBIBNIEINT SPEC 6 ADF nm SPEC 6 PAPER IRAX UNI eet ec tte ptr ee sence eters acetates SPEC 6 viii 24 July 2001 INSTALLATION REQUIREMENTS 1 INSTALLATION Before installing options please do the following o
6. N 6 17 6 8 2 IMAGE PROCESSING PATE ees 6 18 6 8 3 ORIGINAL MODES 12 12 ox mores es DE Sud SEDES Ub mud lur 6 19 Original Modes Copying eee 6 20 6 8 4 IMAGE PROCESSING STEPS FOR EACH 6 21 6 8 5 MODE ADJUSTMENTS ri ete drei eei tee 6 22 HT E 6 22 Default plotter customization settings for each mode 6 23 6 9 LASER EXPOSURE siiis ose tat e teal tae ata etin tuete Ges cd 6 24 6 9 TOV ER VIE WY eei 6 24 6 9 2 LD SAFETY SWITCHES isin 2 22424124 24401 42442142 estat epo 6 25 6 10 PHOTOCONDUCTOR UNIT 6 26 Te OWE RR VIEW eee tee it d bte tet tt totes 6 26 6 10 2 DRUM DRV E Rie peu eR anode 6 27 6 11 DRUM CHARGE epe sca icio at etico eh 6 28 by a OVERVIEW C S etm 6 28 6 11 2 CHARGE ROLLER VOLTAGE 6 29 Correction for Ambient 6 29 6 11 3 CHARGE ROLLER 6 30 6 11 4 6 31 At time of copier installation Eoo e EX 6 31 When a replacement
7. To LDD 1 1 Fax processing only B046D998 WMF 6 18 24 July 2001 IMAGE PROCESSING 6 8 3 ORIGINAL MODES The machine offers seven original modes for copy operation Fax equipped machines 046 and 049 also offer four original modes for fax operation Selection of Original Modes for Copying The user selects the mode using User Tools 3 Copier Features 2 Adjust Original Mode The user can also assign any two of these modes to the two mode indicators on the panel so that they can be accessed with a single button press Although the upper indicator is nominally for Text and the lower is for Photo in fact the user can assign any mode to either indicator Selection of Original Modes for Fax Before scanning the user selects Text or Photo at the operation panel f Text The machine uses Text 1 Sharp unless a serviceperson has changed the mode to Text 2 Dropout If Photo The machine uses the photo mode selected by User Parameter switch 10 bit 7 where selects Photo Normal and 1 selects Photo Smooth If the user is having a problem with text mode quality please try to resolve the problem by adjusting the settings for Text Mode 1 Do not try to solve the problem by changing the mode to Text Mode 2 Text Mode 2 is designed for very specific uses only for machines that are almost exclusively used to send preprinted forms with unneeded background color and is rarely ap
8. ennn 6 10 bet Perte Bread ien 6 10 Speaker Driver ios mud 6 10 Heater GCOnlrol 6 10 Wideo Processing 6 10 PowerPack 6 10 6 10 Plotter Driver ED Pace EHE he EXER DARE 6 10 6 5 2 SBU SENSOR BOARD 6 11 at atte Lat icai Lot Ta sedis ide RT B A SE 6 11 6 11 Amplifier X EE 6 11 6 5 3 NCU NETWORK CONTROL UNIT 6 12 North America version 2 2422 ue 6 12 Europe Asia VERSION 2 0 uucanisut e eati ca eee IR Ra CAEN I UR Rx 6 12 6 6 COPY PROCESS OVERVIEW noie 6 13 Bid SCANNING Sept c a c itc 6 15 6 7 1 OVERVIEW etat tet 6 15 6 72 SCANNER DRIVE eu au ERE SE Seu ae eeu asd 6 16 6 8 IMAGE PIROGESSIN G tek Bees 6 17 6 8 1 OVERVIEW
9. 6 38 Toner Near End detected when either of the following occurs 6 38 Toner End detected when any of the following occurs 6 38 6 13 DRUM CLEANING AND TONER 2 0002 6 39 6 14 PAPER FEED e apu A 6 40 6 14 T OVERVIEW 6 40 6 14 2 PAPER FEED DRIVE 6 41 FIOM Papen TIR auae cotidie a Cac e IRI gU e ERA de o 6 41 From 100 Sheet Bypass Tray B044 46 6 41 From 1 Sheet Bypass Tray B045 49 6 41 6 14 3 PAPER FEED AND SEPARATION 6 42 6 14 4 PAPER LIFT MECHANISM 6 42 PAPER END DETEGTIGON Dite io mie hs 6 43 edited qup eire 6 43 100 Sheet Bypass Tray B044 46 6 43 6 14 5 PAPER 6 43 6 15 IMAGE TRANSFER AND PAPER 6 44 E ede etd 6 44 6 15 2 IMAGE TRANSFER CURRENT 6 45 6 15 3 TRANSFER ROLLER 6 46 6 16 IMAGE FUSING AND PAPER
10. B0461522 WMF 18 Arrange the excess harness length so that it sits beneath the FCU cover plate 19 Attach the caution decals to the locations shown in the illustration B0461523 WMF 20 Reinsert the paper trays and reattach the copy tray and the rear cover 1 16 24 July 2001 DOCUMENT FEEDER 1 5 DOCUMENT FEEDER 1 5 1 ACCESSORY CHECK 2 S n E Confirm that you have the components and accessories indicated below 2 A Oo Po Description DF connection board 1 DF body 1 Hex wrench 1 Hex screws 4 DF original table 1 1 5 1 1 Wire harness Phillips head screws Bracket Installation Procedure B0461524 WMF 1 5 2 INSTALLATION PROCEDURE NCAUTION Unplug the main machine s power cord before starting the following procedure DOCUMENT FEEDER 24 July 2001 1 Unpack the ADF and remove the packing tape from the bottom of the ADF bogy Remove the platen cover A To remove Lift the cover unlatch the two latches B press down on the tabs C and push the latch back and detach the cover from the hook D Remove the left piece E of the copier s platen cover by pushing the piece to the left and then pulling it up and off B0461525 WMF Place the DF original table F flat onto the platen cover so that the 3 latches go all the way into the openings and so that the
11. Een Ce Ro pro 5 36 5 2 1 HOW ENTER AND EXIT USER TOOLS 5 36 522 USER TOOLS TABLE aire potete eto ete eade 5 36 System Settings Table so oral mae ndun Lnd donc oe 5 36 Copy Features Table atacan quotiens ot e ee 5 36 6 DETAILED SECTION DESCRIPTIONS 6 1 6 A OVERVIEW 6 1 6 1 1 COMPONENT LAYOUT eiee a ees 6 1 0 2 PAPER PATH e ee e Ee E ree 6 5 0 3 DRIVE LAYOUT Parte 6 6 6 4 BLOCK DIAGRAM PCBS AND 6 7 D 5 MAIN POB S aeee dart dt ect a a a t 6 8 6 5 1 FCU FUNCTION FACSIMILE CONTROL 6 8 etse OE E d 6 9 VPL Video Processing EE 6 9 CIOP Communications and I O 6 9 FROM Flash ROM 2 6 9 6 9 SRAM 120K GUT 6 9 6 9 Energy Save Switching eeu UU MN Ie MM eee 6 9 terne tite ttn ted rt nte oda dete ates 6 10 SAF BAORUD iod ded ERAT ARN SU LUI 6 10 Analog Processing Circuit
12. 77515 Flash M 359 COM1 By pass PE MPESENIA Sensor 10 COM1 1 ELECTRICAL COMPONENT LAYOUT B044 B045 B046 B049 Description Sensors Scanner HP Platen Cover Description Lamps Exposure Paper Exit ID Image Density Quenching Fusing Registration Paper End Motors Bypass Paper End Original Registration Scanner Polygon Mirror Guide Open Original Set TD Toner Density Exhaust Fan DF Main Switches Clutches Right Door Safety Front Door Safety Paper Feed Bypass Feed DF Open Registration DF Feed PCBs SBU Sensor Board Unit Lamp Stabilizer Toner Supply Others DF Relay Board OPU Operation Panel Unit Mechanical Counter Thermistor PSU NCU Thermo Fuse Thermo Switch FCU Monitor Speaker Description Tray Main Board Paper Feed Motor Paper Feed Clutch Door Switch Paper Feed Sensor
13. Energy Saver timer Sets time at which machine moves from standby to the low power mode e The default is 15 minutes Energy Saver level Selects the low power mode that the system uses The default is Level 2 See below Auto Off Timer Sets time at which machine transitions to auto off mode The default is 30 minutes AOF Allows user to disable auto off The default setting is on enabled See Note below NOTE If the customer requests that you disable auto off please inform the customer that disabling of this feature will void Energy Star conformance and is not recommended 6 17 3 LOW POWER MODE LEVELS The Energy Saver Level setting determines which power level is used when the machine enters Low Power mode Mode Fusing Temp Approx Recovery Time Low Power Level 1 165 C 5s Low Power Level 2 90 105 Low Power Level 3 Room Temp 20s 6 17 4 AUTO OFF LEVEL Identical to low power mode level 3 7 25 Ls S 2g 5 6 17 5 TRANSITION OPERATION On entry into low power or auto off Main power LED stays ON operation switch and all other indicators OFF e System 5V power remains on The machine returns to standby power mode when any of the following wake up actions occurs Pressing of operation switch Opening of platen cover Placing sheet in DF e Wake up signal from a PC Error or SC condition 6 51 24 July 2001 SPECIFICATIONS
14. de an ntn aUo eb nent ndi 3 13 5 FUSING UNIT editos dre reo oh dba d ets 3 13 EXIF SENSOR eo e t eto E b oU 3 13 3 5 3 JHOT ROLLER STRIPPER ttes eietin racio pie pee 3 14 3 5 4 HOT ROLLER 3 15 3 5 5 THERMOFUSE THERMOSWITCH AND THERMISTOR 3 15 3 9 6 PRESSURE ROLLER wo 3 16 3 17 Ad TONER SUPPEY CLUTCH 3 18 28 PAPER FEED SECTION ssc CS d 3 19 3 8 1 PAPER FEED ROLLER AND FRICTION 3 19 3 8 2 PAPER END Dao ode teas procu tenete ds 3 19 3 8 3 REGISTRATION 3 20 3 8 4 BYPASS PAPER END SENSOR B044 AND B046 ONLY 3 20 3 8 5 BYPASS FEED ROLLER B044 AND B046 ONLY 3 21 3 8 6 BYPASS FEED CLUTCH B044 AND B046 ONLY 3 22 3 8 7 BYPASS FRICTION PAD B044 AND B046 ONLY 3 22 3 8 8 REGISTRATION GLEUT GDE 2 3 22 3 0 9 PAPER FEED CLUTCH ect trepido cioe iria tb 3 23 3 9 IMAGE 1 e e Ro qd acai eot ie 3 24 3 9 1 IMAGE TRANSFER 3 24 3 9 2 ID IMAGE DENSITY 3 24 3 9 3 DISCHARGE PLATE oot ER out toos Eo oa boot 3 2
15. 4 3 SERVICE CALL CONDITIONS 24 July 2001 No Definition Definition fo Definition Error Level Symptom Possible Cause Code Code 6 Transfer roller leak error 1 leak A current leak signal for ho e Transfer roller damaged transfer roller was detected High voltage supply board defective Current feedback signal was poor connection between transfer not detected for at least unit and machine 200ms e Transfer unit set incorrectly Transfer roller leak error 2 leak A current leak signal for the Transfer roller damaged transfer roller was detected High voltage supply board defective Current feedback signal was Poor connection between transfer not detected for at least unit and machine eodms e Transfer unit set incorrectly Main motor lock error Failed to detect main motor e Main motor defective lock signal for 7 checks in Too much load on the drive succession total of 700ms mechanism after main motor started to Motor driver damaged rotate or after last lock signal was detected er 4 4 Thermistor generated Fusing thermistor defective or abnormal values immediately disconnected after 24V power on 4 4 Fusing lamp defective e Fuse blown e PSU defective Bad connection between fuser and machine During fusing warm up fusing e Fusing thermistor defective temperature failed to reach e Fusing lamp defective target range within 22 seconds Thermofuse blow
16. 6 47 B 16 1 OVERVIEW icis egere ooo 6 47 6 16 2 FUSING DRIVE AND RELEASE MECHANISM 6 47 6 16 3 PRESSURE adig 6 48 6 16 4 PRESSURE RELEASE 6 48 Separation cm 6 48 6 16 6 FUSING TEMPERATURE sss 6 49 VOT VIGW MCN 6 49 Fusing Temperature Control for Thick 6 49 6716 7 OVERHEAT PROTECTION nere ccotabolst tava 6 49 6 17 ENERGY SAVER MODES 6 50 6 17 1 MODE 6 50 6 17 2 SYSTEM SETTINGS eno oon 6 51 6 17 3 LOW POWER MODE EEVEBLS 6 51 ADTO XOFE LEVEL muc cu tip eed qud Du deg 6 51 6 17 5 TRANSITION OPERATION 2 6 51 vi PAPER TRAY UNIT 421 1 OVERALL MACHINE INFORMATION B421 1 1 1 MECHANICAL COMPONENT LAYOUT 421 1 1 2 ELECTRICAL COMPONENT 421 1 Toss DRIVE LAYO Treme e 421 2 1 4 OVERALL ELECTRICAL B421 2 1 5 DETAIEEB DESCRIPTIONYS n ox ne eee eon ERR IHR en Enid ees B421 3 1 5 1 PAPER FEED AND SEPARATION 421 3 1 6 PAPER LI
17. error FGATE error notification to 4 6 24 July 2001 ELECTRICAL COMPONENT DEFECTS 4 2 ELECTRICAL COMPONENT DEFECTS 4 2 1 SENSOR SWITCH OPEN ERRORS Sensor or Switch Symptom Registration Sensor A or Y paper jam reported Paper End Sensor Paper end error when attempting to feed from main tray Fax key blinks red Bypass Paper End Sensor B044 and 046 only Exit Sensor Paper End message when attempting to feed from bypass tray A or Y paper jam reported Image Density ID Sensor Toner Density TD Sensor Toner control process changes Reset PCU Correctly message appears and Caution indicator stays on SC120 is displayed Scanner HP Sensor Platen Cover Sensor Delays start of polygon motor by a few seconds Longer time for first copy Close ADF message appears and Caution indicator stays on Fails to detect originals at ADF P paper jam reported Close Front Right Cover message appears and the Caution indicator stays on 25 53 0 ADF Guide Open Sensor ADF Original Set Sensor ADF Registration Sensor Front Right Door Switch 4 3 BLOWN FUSE CONDITIONS 120 V 220 240 V At main switch ON Power Supply Board 12 125 622507 EX 1 A 250 V 1 A 250 V heater option does not turn 4 A 250 V 2 A 250 V No response 550 5 250 5 250 4 7 DUMPING THE FUSER TEMPER
18. gt GS only EU 6 NCU 4 GS only EU Polygonal Mirror Motor FC Thermo Sw Thermo Fuse ACL Fusing qe Front Door Right Door Charge PCU Transfer T Development B Registraion 24VM 1 Clutch REGCLTIW 2 5 24VM 1 s PAPCLTIW 215 24VM 5 New Detection Power GND Signal Line Active High Active Low 24 V Line Analog SHUNT only EU 1 Safety Switch 1 Safety Switch 5VDS 1 13 GSSWON only EU 45V e s Paper Feed DOSWONT A only EU PFLAT A lt r Motor CMS EN EES ts 5 OHSWON A 5 61 PFSOD Tray Main Network z PFCLK LPT Board rem be 9 3 0 1 Y EXRINGO Paper Feed Junction 5 A Connector ed Option ensor 11 CISSI A COMI 2 Pe Le eoero Door Switch 9 SCRES A PRNRXD 8 cow O PRNWAKINIV Option SBU CISCLK PRNENB A PIF Sensor 6 COM1 PRNFGATIV 10 Print Board Unit SC2CLK PRNDET V PRNDAT 12 12 Interface IEEE1284 5 VIDEO A PRNSYNC W 6 1 4 PRNLGAT V 1 24VM PRNCLK NIC LAN l POLMEN WP POLMLOK v 3 POLMSCLK 24 8 EY Bus APCSH MOABD Motor BOR s
19. Copy Count Display System Reset Energy Saver Timer Energy Saver Level Auto Off Timer AOF Keep It On Tray Paper Size 1 Tray 1 2 Tray 2 3 Bypass on A 09 po a 2 System Settings 9 Paper Tray Priority 10 Auto Tray Switch B044 6 only 11 Display Contrast 12 Measurement Unit NOTE For information about the AOF Keep It On setting see System Settings in Section 6 Copy Features Table 1 Max Copy Q ty 2 Image Adjustment 1 Text 2 Photo 3 Set Ratios 4 Copy Reset Timer 5 Original Orientation 6 Bypass Paper Type 7 Key Operator Tools User Code Access Check Copy Counter Print Counter List Reset Counter Clear All User Codes Reset All Counters Program User Code Change User Code 2 Copy Features o mA Delete User Code 5 36 24 July 2001 OVERVIEW 6 DETAILED SECTION DESCRIPTIONS 6 1 OVERVIEW 6 1 1 COMPONENT LAYOUT 38 37 36 7 25 Ls S 2g 5 B046D557 WMF 26 29 28 27 B046V502 WMF NOTE The above illustration shows model 046 Models B045 and 049 have 1 sheet bypass only no bypass paper feed roller and bypass friction pad Models B044 and B045 do not include the ADF as standard OVERVIEW oo pt UE co 12 13 14 15 16
20. Fusing temperature failed to e short drop to expected level within e Fan not running given time 15 seconds 15 minutes or 25 minutes depending on mode after entering standby or low power mode er 4 4 Standby overheat Temperature during standby or e TRIAC short low power mode remained too high for a specified interval 10 seconds or 25 seconds depending on the mode ur 4 4 Standby low temperature error After reaching expected e Fusing thermistor defective temperature in low power e PSU defective mode level 1 or standby mode temperature fell and remained below 1559 for 20 seconds 4 4 Trouble shooting 4 5 SERVICE CALL CONDITIONS 24 July 2001 No Definition seconds Poor connection between FCU and printer controller Electrical total counter error The electrical total counter is e SRAM defective Error Symptom Possible Cause T Communication error between FCU and printer controller Printer failed to acknowledge Printer controller defective not working properly The only way to correct this error is to replace the FCU 78 Mechanical total counter Be not working properly disconnected message from FCU within 1 2 e FCU defective Printer controller self diagnostic error E controller s power on Self diagnostic error self E detected an error Printer controller FGATE error Printer returned
21. cow LDDATA MOBBD Synchronization Detection LDEN Y 3 LDSYNC A MAMSCLK 9 MAMBK YP 5 MAMST WP 6 6 45VE MAMLOK W 5 Main Motor 5 OPUSID OPUSOD OPUSCLK 4 CSCNTIV of am 1 Yellow 24 f SP DISCHIWP Quenching Lamp 5 FCU 8 2i Function Facsimile LS _ E O Control Unit s cow fel OO 5 2 8 ZEROCIY 24VED 24VE PWMC u FBC A x 12 FBT A 11 PWMTP 1 MOAD PWWTM 21 9 5 M1SYNC A MOABD DE Mot 6 8 L5 FBB A 8 MIALCNTI a we 71816 M1ALCNTO S cos X 9 MISINCNT2 8 MISINCTI E Orginal 8 MANUCLT Y 2 52 Registration PAPCLT V MIABIA 8 Sensor S2 REGCLT 1 y gt Guide Open em Sensor Clutch 5 T Orginal Set 7 7 Sensor 81 Exhaust Fan Motor v CLFANM WP DFOPENIA CL ON DF Feed 7 Mech 24VM 424VES Clutch Counter MKCNT WP DFCNT A 25 1 BUZON A DF Open Switch XEON WP Lamp Stabilizer Exposure Lamp 8 COMI BKHP A Scanner HP Sensor 45V COMI COMI CPYOUT W Paper Exit Sensor Ey 9 33 Thermistor TMST A Registration 1 EB REGSTV Sensor 45V PSENOUT A 8 PSENLED Z IDSensor s
22. 17 18 19 1st Scanner CCD on SBU Lens Block 2nd Scanner 2nd Mirror 3rd Mirror Platen Cover Sensor Exposure Glass Exit Roller Exit Sensor Scanner Motor Hot Roller Pressure Roller Cleaning Blade OPC Drum Discharge Plate Transfer Roller 6 2 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 24 July 2001 Development Roller ID Image Density Sensor Registration Roller Registration Sensor Bypass Tray Bypass Paper Feed Roller Bypass Paper End Sensor Bypass Friction Pad Mixing Augers Main Friction Pad Paper Feed Roller Paper End Sensor TD Toner Density Sensor Bottom Plate Polygon Mirror Motor Laser Unit Toner Supply Bottle or THM Toner Collection Coil Scanner HP Sensor 24 July 2001 OVERVIEW je 2 3 0460558 8 11 12 17 13 14 0460559 1 Lens Block 10 Exit Sensor 5 2 Exposure Lamp 11 ID Image Density Sensor 3 Lamp Stabilizer Board 12 Registration Sensor 4 Scanner HP Sensor 13 Paper End Sensor 5 DF Connection Board 14 Bypass Paper End Sensor 6 Platen Cover Sensor 15 Right Door Safety Switch 7 Scanner Motor 16 Front Door Safety Switch 8 Mechanical Counter 17 Quenching Lamp 9 Polygon Mirror Motor DF connection board is standard on B046 and B049 only Mechanical counter is standard on B044 and B046 only Bypass paper
23. 2 springs B C 5 2 pressure arms D E NOTE Manipulate each arm so that it comes out through the slit in the casing 2 bushings F G 7 Pressure roller H B046R503 WMF 3 16 24 July 2001 PCU 3 6 PCU Ee 25 on 55 og B0461109 WMF 1 Open the right door NOTE Do not forget to open the right door The PCU may become stuck if you try to remove it while the front door is closed Open the front door 3 Remove the toner bottle holder or THM NOTE If working on a toner bottle model clean away all spilled toner from the toner bottle area and from the inside of the front door 4 Detach the connector A and pull out the PCU B NOTE 1 After installing the new PCU be sure to remove the Styrofoam piece and to pull off the two tags 1 1 2 Step 10 2 The machine will automatically detect the new PCU and begin toner initialization 6 10 4 TONER SUPPLY CLUTCH 24 July 2001 3 7 TONER SUPPLY CLUTCH mo Ee 25 on 55 as og B B046R932 WMF Remove the toner bottle or THM Copy tray er 3 3 3 Rear cover 3 3 2 Disconnect the connector on C19 on the FCU Reach into to the machine and push the clutch coupler A toward the rear and at the same time reach around the back and remove the clip ring B Remove the cone and spring then lift the toner supply clutch mechani
24. 25 Xs Sg 2g 5 CCD Converts light reflected from the original into an electrical signal This machine uses a Sony ILX553A 5150 pixel CCD Scan density is 600 dpi for letter size originals Pixel size is 7 x 7 microns Maximum pixel rate is 15Mhz Amplifier Inverts and amplifies the electrical signal from the CCD 6 11 MAIN PCBS 6 5 3 NCU NETWORK CONTROL UNIT The NCU implements the interface between the fax system and the telephone network An NCU is standard on models B046 and B049 and is included as part of the fax option for 044 and B045 North America version 24 July 2001 NCU CMLSW JP Dry Line OHDI LINE Surge Noise BR re Protect Filter me OO e TRXD Protect gt Currect RING DC Loop L Trans Detect R Surge Surge 9 1 Protect Protect HDISW JP Dry Line M Noise CMLSW Filter HOOK0 gt 1 H Trans RITONE TEL TL ingin 1 Ringing EXRING RL Detect B0
25. 26 29 EU safety sheet 22 24 26 27 NECR 17 27 29 Paper size decals Energy Star seal 26 Branding plaques 22 Brand decals 22 Handset bracket 046 17 1 2 2 INSTALLATION PROCEDURE NCAUTION Make sure that the copier remains unplugged during installation B0461101 WMF B B0461124 WMF 1 Remove the strips of tape 2 Remove the bag A holding the included accessories 3 Remove the spacing wedge B 24 July 2001 COPIER 4 Remove the 3 scanner lock pins A tag is hanging from each pin To remove Grasp the base of the pin A turn 90 degrees and pull down and out 2 S n E 5 Remove the tags from the pins Then break each pin off of its base A discard the pin part B and set each base A back into its original hole turning it 90 to lock it into place Be sure to do this for all three pins 6 If installing a DF equipped model B046 or B049 Raise the DF upper guide C and remove the protective paper D at the feed unit Then lower the guide 7 Open the platen cover E and remove the protective paper F covering the exposure glass Then close the platen B0461107 WMF COPIER 24 July 2001 8 9 Open the front door A If installing a toner bottle model B044 or B046 e Lift lever B press in on latch C and pull the bottle holder D out
26. A B046R938 WMF Replacement Adjustment A B046R930 WMF D E C 1 Right door 3 3 9 2 Unscrew the feed roller frame A 7 x 2 and rotate it about the feed roller shaft B so that it is upside down 3 Detach the feed roller shaft B from the feed roller frame unsnap the two snap pawls C and remove the spacer D 4 Bypass feed roller E PAPER FEED SECTION 24 July 2001 3 8 6 BYPASS FEED CLUTCH B044 AND B046 ONLY 1 Rear cover er 3 3 2 2 Right door 3 3 9 3 Detach the bypass feed clutch connector A from on the high voltage power supply board 4 Unscrew the bypass feed roller housing B 2 x 2 and pull it out of the machine NOTE It is not necessary to remove or disconnect the bypass paper end sensor 5 Bypass feed clutch C x 1 Ee 25 os on 55 om og 3 8 7 BYPASS FRICTION PAD B044 AND B046 ONLY 1 Right door 3 3 9 2 Detach the roller housing B 2 x 2 and move it out of the way 3 Bypass friction pad A 3 8 8 REGISTRATION CLUTCH 1 Rear cover 3 3 2 2 High voltage power supply board er 3 12 2 3 Ground plate A 2 4 Registration clutch B 1 EB x 1 NOTE To free the clutch pry clip C gently away from it using a screwdriver B046R950 WMF 24 July 2001 PAPER FEED SECTION 3 8 9 PAPER FEED CLUTCH B Replacement Adjustment B046R92
27. Cleaning blade A scrapes remaining toner from the drum after image transfer Toner piles up on the blade Toner collect coil B transports toner from pile and drops it onto chute C where it slides down into the development unit through a slit located at D At the end of each copy job the drum turns about 3 mm in reverse to help clear toner and other debris from the edge of the cleaner blade B046D566 WMF 7 25 Ls S 2g 5 B046D307 WMF 6 39 PAPER FEED 24 July 2001 6 14 PAPER FEED 6 14 1 OVERVIEW B046D557 WMF 7 6 5 Exit Roller Exit Sensor Registration Sensor Bypass Feed Roller Bypass Paper End Sensor Bypass Friction Pad Main Friction Pad Main Paper End Sensor Paper Feed Roller 0 Registration Roller 2 1 Only on 100 sheet bypass machines 044 046 6 40 24 July 2001 PAPER FEED 6 14 2 PAPER FEED DRIVE MECHANISM From Paper Tray Main motor A drives gears on the registration clutch B and the paper feed clutch C These clutches transfer drive to the registration roller D and paper feed roller E The FCU controls clutch timing based on input from the registration sensor B046D708 WMF From 100 Sheet Bypass Tray B044 B046 Main motor A drives gear on registration clutch B and bypass feed clutch F The bypass feed clutch drives the byp
28. Fax Unit Yes installed No Not installed Printer Unit Yes installed No Not installed ADF Yes installed No Not installed Optional Memory No None installed 32MB 40MB 64MB Paper Tray Unit Yes installed No Not installed Bypass 1 1 sheet 100 100 sheet M Counter Display 803 U SNID A Oo Po Displays the PM counter value the count since the last PM 804 PM Counter Reset 1 Resets the PM counter 0 No 1 Yes After selecting 1 hold down the Original Type key and press the OK key or C key to execute the reset If the reset is successful the display shows Action completed If the reset fails the display shows Error 807 SC Jam Counter Reset 1 Resets the SC counter and all jam counters 0 No 1 Yes After selecting 1 hold down the Original Type key and press the OK key or C key to execute the reset If the reset is successful the display shows Action completed If the reset fails the display shows Error 808 Reset Counters 1 Resets all counters except for the total counter SP7 003 0 No 1 Yes After selecting 1 hold down the Original Type key and press the OK key or key to execute the reset If the reset is successful the display shows Action completed If the reset fails the display shows Error 5 20 24
29. Polygon Mirror Motor Paper Tray 2 For detailed explanations about how to access and use SP mode see Section 5 3 13 1 PRINTING NOTE 1 Make sure the paper is installed correctly in each paper tray before you start these adjustments 2 Use the Trimming Area Pattern SP5 902 No 10 to print the test pattern for the printing adjustments below 3 Reset SP5 902 to 0 after completing these printing adjustments Registration Leading Edge Side to Side Ee 25 on 55 og 1 leading edge registration A for each paper feed station and adjust each of these registrations using SP1 001 Tray SP mode Specification Paper tray s 100 sheet bypass 1 sheet bypass SP1 001 1 SP1 001 2 0 2 0 2 0 4 2 Check the side to side registration B for each paper feed station and adjust these registrations using SP1 002 Adjust the trays in order the 1st tray first then the 2nd tray if installed then the bypass Tray SP mode Specification 1st tray SP1 002 1 2nd tray SP1 002 2 2mm 100 sheet bypass 1 sheet bypass SP1 002 5 0 2 0 4 B046R552 WMF A Leading Edge Registration B Side to side Registration 24 July 2001 Blank Margin COPY IMAGE ADJUSTMENTS PRINTING SCANNING NOTE If the leading edge or side to side registration cannot be ad
30. USING SERVICE PROGRAM MODE 24 July 2001 Mode Number Name Function Setting 927 ID Sensor Control 1 Selects whether the ID sensor is or is not used for toner density control 10 No 1 Yes This value should normally be left at 1 If the value is 0 dirty background may occur after long periods of non use 928 Toner End Clear 1 Clears the toner end condition without adding new toner Select 1 then press the key to clear the condition 0 No 1 Yes Setting this to 1 will clear the following e Toner end and near end indicator e Toner near end counter e Toner end counter sheets e Toner end counter level This function should generally not be used If you clear the toner end condition without adding new toner there is a risk that the drum may eventually begin to attract carrier after toner runs out This attracted carrier may damage the drum 929 lt ef Limits 1 Upper 2 Lower Adjust the upper Vref limit 0 50 3 50 1 80 0 01V step Adjust the lower Vref limit 0 00 3 50 0 45 0 01V step 995 ID Detection Interval 1 Sets the interval after which ID detection will be carried out at start of printing relative to previous ID detection 0 999 480 1 minute step Higher values increase the chance of dirty background Lower values increase the frequency at which the machine makes ID sensor patterns increasing
31. 141 Feet tenes 1 12 1 4 2 INSTALLATION 77 1 12 1 5 DOCUMENT FEEDER ttes toa ert dco e toties 1 17 15 1 ACCESSORY CHECK sinu dire opi de da aide dime dide 1 17 1 5 2 INSTALLATION PROCEDURE eee 1 17 TO DIMM AS ecce PER ea 1 21 1 6 1 INSTALLATION PROCEDURE eene 1 21 2 PREVENTIVE MAINTENANCE SCHEDULES 2 1 21 TABLES cp ee 2 1 2 2 HOW TO CLEAR THE PM 2 2 3 REPLACEMENT AND 3 1 CM rime Ape wr H 3 1 2 1 145 MTM pd E 3 1 3 1 2 LITHIUM BATTERIES 2 deed tate mte nodu aote Et Notit 3 1 3 1 3 PCU PHOTOCONDUCTOR UNIT etti eee 3 1 3 14 TRANSFER ROLLER oi diete rente 3 1 3 1 5 SCANNER etr e Re Ri 3 2 SUD BASERINLE 3 2 3 1 7 FUSING UNIT nee nee neve ait tm 3 2 816 PAPER FEED ERE Et ee De DR Ete o bt enn 3 2 SAGO 1 od rund Cu ade cR cams qid e a 3 3 3 2 SPECIAL TOOLS AND LUBRICANTS eee 3 3 3 3 EXTERIOR COVER AND OPERATION
32. 4 Mode Number Name Function Setting 922 Scanning Density Adjustment Selects the gamma table used for linear adjustment by the mode selected by 5 4 921 0 Linear 1 16 bit gray 923 Notch Selection Selects the value of the center ID adjustment notch for the ID adjustment LEDs Applies only to the mode selected by SP4 921 1 1 Light 0 Normal 1 Dark Normally the center notch is 3 range 1 5 If 1 is selected each notch shifts down becomes lighter If 1 is selected each notch shifts up becomes darker 925 Sharpness Adjustment Adjusts the image sharpness processing MTF and smoothing coefficients for the mode selected by 5 4 921 2 2 0 1 step IP Higher values produce greater sharpness 926 Texture Removal Threshold Adjusts the texture removal threshold for the mode selected by SP4 921 IP 0 4 0 where 0 The mode s default value is used 1 Fixed threshold 2 Varying threshold low variance 3 Varying threshold medium variance 4 Varying threshold photo error diffusion 927 Line Width Correction Adjusts the line width correction algorithm for the mode selected by SP4 921 Positive settings produce thicker lines negative settings produce thinner lines 2 2 0 1 step IP 928 Independent Dot Erase Selects the dot erase level for the mode selected by 5 4 921 Higher settings provide greate
33. 5 1 7 After selecting 1 press OK or 9 twice to start the run Press C to stop 015 White Plate Scanning 1 Start position Adjusts the scanning start position on the white plate for auto shading 3 0 6 0 0 0 0 1 mm step Positive settings move the position away from HP 2 Scanning area Adjusts the end position of the white plate scan in the main scan direction The scan begins at the start position as set by SP4 015 1 and extends for the specified length 3 0 6 0 0 0 0 1 mm step The total scanning length as determined by SP2 015 1 and SP2 105 2 must be at least 2 0mm 101 Sub Scan Magnification Scanning 1 Adjusts the actual sub scan scanning magnification The higher the setting the lower the scanner motor speed 0 9 0 9 0 0 0 1 step 5 9 USING SERVICE PROGRAM MODE 24 July 2001 Mode Number Name Function Setting 902 Exposure Lamp ON Lets you turn the exposure lamp on and off 0 Lamp Off 1 Lamp To turn the exposure lamp on press 1 To turn the lamp off press 0 To exit press or Cancel to exit The scanner moves to the shading position and remains there until you exit the SP The display also shows the minimum and maximum white plate values updated every 0 5 sec 908 SBU Auto Adjustment 1 Performs auto scanner adjustment 0 2 No normal operation 1
34. 50 V less negative f Vsdp Vsg 0 90 Change charge roller voltage by 50 V more negative NOTE The current ID sensor readings can be viewed using SP2 221 6 11 3 CHARGE ROLLER CLEANING B046D304 WMF A cleaning roller A removes toner and debris that the roller picks up from the drum 6 30 24 July 2001 DRUM CHARGE 6 11 4 DETECTION OF A NEW PCU Before starting to use a new PCU the machine must a agitate the toner developer mix b initialize the TD sensor and c initialize the PCU counter This machine automatically detects the presence of a new PCU and carries out these operations At time of copier installation The first time the machine is turned on following installation a factory set flag informs the machine that the PCU has not yet been initialized The machine carries out the necessary initialization automatically When a replacement PCU is installed Replacement PCUs have a special mechanism that trips when they first start informing the machine that a new PCU has been installed Preinstalled PCUs do not include this mechanism and have two empty pins in their connector 7 25 Ls Sg 2g 5 B046D301 WMF Replacement PCU ships in state A Slight rotation of PCU gear B at power on releases plate C breaking the circuit and informing the FCU that the new PCU is a replacement unit 6 31 DEVELOPMENT 24 July 2001 6 12 DEVELOPMENT 6 12 1 OVERVIEW B0
35. But note that you should not turn off the main switch while mechanical parts are active as this may cause parts to stop out of home position Attempting to remove or install the PCU or other such units while parts are out of home position may result in damage Wait for operation to stop before turning off the machine Ee 25 on 55 og 3 1 2 LITHIUM BATTERIES NCAUTION Lithium Batteries Incorrect replacement of lithium battery s on the FCU poses risk of explosion Replace only with the same type or with an equivalent type recommended by the manufacturer Discard used batteries in accordance with the manufacturer s instructions 3 1 3 PCU PHOTOCONDUCTOR UNIT The PCU consists of the OPC drum charge roller development unit and cleaning components Observe the following precautions when handling the PCU 1 Never touch the drum surface with bare hands If the drum surface is dirty or if you have accidentally touched it wipe it with a dry cloth or clean it with wet cotton and then wipe it dry with a cloth Never use alcohol to clean the drum Alcohol will dissolve the drum surface Store the PCU in a cool dry place Do not expose the drum to corrosive gases ammonia etc Do not shake a used PCU as this may cause toner and developer to spill out Dispose of used PCU components in accordance with local regulations Ine 3 1 4 TRANSFER ROLLER 1 Never touch the surface o
36. C9 key to execute the reset If the reset is successful the display shows Action completed If the reset fails the display shows Error 956 P eset Small Size Setting 1 Enables setting of small paper sizes 0 No 1 Yes Setting this value to 1 enables setting of the following standard small sizes for both paper tray and bypass tray B5 SEF Executive SEF If you change the setting from 1 to 0 when one of these sizes is set the size setting changes to each tray s default 991 Debug Monitor Mode 1 0 3 0 1 step DFU 992 SNC Printing Prints out machine data wr 5 1 5 0 No 1 SP settings 2 All 3 Memory 5 17 USING SERVICE PROGRAM MODE 24 July 2001 SP6 XXX Peripherals 6 Mode Number Name Function Setting 006 ADF Registration 1 Side to Side Adjusts the side to side registration for DF mode 9 0 9 0 0 0 0 1 mm step IAJ Use the key to select or when entering the value Leading Edge Adjusts the leading edge registration for DF mode 5 0 5 0 0 0 0 1 mm step IAJ 0 1 mm step Use the key to select or when entering the value Trailing Edge Erase Adjusts the trailing edge erase margin for DF mode 3 0 43 0 1 0 0 1 mm step IAJ Use the key to select or when entering the value 007 ADF Sub s
37. It is not necessary to pull it completely out of the machine however e Take a new bottle of toner shake it several times remove its outer cap E and load as shown Then push the bottle holder back into the machine and press the latch down to lock it 0461112 If installi B0461301 WMF ng a toner hopper magazine model B045 or B049 Shake the magazine several times then peel off the paper F from a new THM G and load the THM into the machine 0461114 24 July 2001 COPIER 10 Remove the foam cushion A and pull the tabbed strips B all the way out of the PCU Then close the front door 2 S n a E B0461104 WMF 11 Pull open the paper tray and remove the tape C securing the end fence in the E compartment 12 Push the bottom plate D down load paper and adjust the side fences If loading paper shorter than A4 remove the end fence E from its compartment set it into the tray and adjust it to the correct length 0461119 13 Push the tray back in 14 Adhere the appropriate branding decal not shown to the center of the front door F and adhere the tray number decal and appropriate paper size decal to the front of the paper tray at G as shown 15 Hong Kong only If installing model B046 or B049 in Hong Kong you must change the position of the TB1 jumper on the NCU Turn to the fax service ma
38. July 2001 USING SERVICE PROGRAM MODE 7 Mode Number Name Function Setting 825 Total Counter Reset 1 Resets the electronic total counter 0 No 1 Yes This reset is generally performed at installation This SP mode is effective only once while the counter still has a negative value This SP cannot be used once the counter takes a positive value After selecting 1 hold down the Original Type key and press the OK key or C9 key to execute the reset If the reset is successful the display shows Action completed If the reset fails the display shows Error 901 SC History Display 1 Displays the codes of the last fifty errors that have occurred 0 No 1 Yes On fax equipped models you can print out the last fifty error codes using fax service mode 04 For information refer to the fax service manual 902 SC History Reset 1 Clears the SC history 0 No 1 Yes Note that when executed on fax equipped models this operation will not clear the machine s service report data After selecting 1 hold down the Original Type key press the OK key or C9 key to execute the reset If the reset is successful the display shows Action completed If the reset fails the display shows Error 908 PCU Counter Display 1 Displays the number of prints made since the PCU was last replaced 909 PCU Counter Reset 1 Resets the developer c
39. MARKING CAUTION VORSICHT INVISISLE 15525 WEN AVOID EXPOS JR TO SEAM IB amp RE LASERSIRAHL IVE WENN 4 GEOFFNET NICI IT DCM STRA IL AUSSCTZ 4K Symbols and Abbreviations This manual uses the symbols and abbreviations shown below Symbol Meaning Refer to 0 ring P Screw Connector SEF Short Edge Feed LEF Long Edge Feed Core Technology manual TABLE CONTENTS 1 INSTAEEATION iride nias denuo can ont erat odo e apa cumsan XE co ED 1 1 1 1 INSTALLATION 1 1 1 1 1 ENVIRONMENT pit NE Do Did ADU eR ER ke Diba hd dices 1 1 121 2 doi ore end oco pube pile 1 2 1 1 3 MINIMUM OPERATIONAL SPACE REQUIREMENTS 1 2 1 1 4 POWER REQUIREMENTS 1 3 T2 COPIER EM 1 4 1 4 1 2 2 INSTALLATION 1 4 Initial Programming Faxless models B044 045 1 8 Initial Programming Fax equipped models B046 B049 1 8 1 3 PAPER TRAY UNIT rcr E 1 10 ACCESSORY CHECK 1 10 1 3 2 INSTALLATION 1 10 1 4 PAPER TRAY UNIT HEATER 1 12
40. OFF Both Level 2 4 nun ON ines 2 Light Thin Photo OFF edge Level 2 Li OFF correction Dense o edge Level 2 5 correction 2 Normal Level 2 20 a3 LASER EXPOSURE 24 July 2001 6 9 LASER EXPOSURE 6 9 1 OVERVIEW B H Ce ES on 9 F B046D101 WMF A LD Unit E Toroidal Lens B Synchronization Detector Lens F Polygon Mirror Motor C OPC Drum G Cylindrical Lens D Shield Glass H LD Shutter e The LD unit controls both the laser output and the laser synchronization mechanism The machine cuts the power to the LD drive board when the front door or right door is opened e The LD shutter blocks the laser beam path if the toner bottle holder or THM toner hopper magazine is unlatched 6 24 24 July 2001 LASER EXPOSURE 6 9 2 LD SAFETY SWITCHES 5VLD LD PD M61880FP LD Drive Board Front Right Door Switches B046LDX WMF Safety switches are installed at the front and right doors to ensure technician and user safety and to prevent the laser beam from accidentally switching on during servicing Opening of the front or right door opens the corresponding switch cutting the power supply 5VLD to the laser diode The safety switches are installed on the 24V line coming from the power supply unit PSU The 24V supply must pass through these s
41. Original Weight Table Capacity Original Standard Position Separation Original Transport Original Feed Order Reproduction Range Power Source Power Consumption Dimensions W x D x H Weight PAPER TRAY UNIT Paper Sizes Paper Weight Tray Capacity Paper Feed System Power Source Power Consumption Weight Size W x D x H Standard sizes A4 to A5 81 2 x 14 to 81 2 x 51 2 Non standard sizes Max width 216 mm Min width 140 mm Max length 356 mm Min length 140 mm 52 105 g m 14 28 Ib 30 sheets 80 g m 21 Ib Center FRR Roller transport From the top original 50 20096 24 and 5 Vdc from the copier Not above 50 W when running Not above 1 2 W when standing by 110 x 360 x 95 mm 4 3 x 14 2 x 3 7 2 kg 4 4 Ib A4 SEF 81 2 x 11 SEF 81 2 x 13 SEF 81 2 x 14 SEF 60 90 g m 16 24 Ib 500 sheets 80 g m 21 Ib x 1 tray Feed roller and friction pad 24 Vdc and 5 from copier If optional tray heater is installed the copier also supplies Vac 120 Vac or 220 240 Vac Maximum 15 W excluding optional tray heater Average 14 W excluding optional tray heater Not above 6 kg 13 2 Ib 430 x 414 x 140 mm 16 9 x 16 3 x 5 5 SPEC 6 1 10 D E F G POINT TO POINT DIAGRAM MODEL S C1 B044 B045 B046 B049 q SHUNT EU yy T1 only EU TIP 3 LINE 4 WowE P I 4
42. SPECIFICATIONS 1 GENERAL SPECIFICATIONS Configuration Desktop Copy Process Dry electrostatic transfer system Originals Sheet Book Original Size Maximum Copy Paper Size Copy Paper Weight Reproduction Ratios Zoom Power Source 81 2 11 A4 81 2 x 14 ADF Maximum 4 SEF 81 2 x 11 SEF Copier s paper tray A4 SEF 81 2 x 14 SEF Bypass A4 SEF 81 2 x 14 SEF Optional paper tray Minimum A5 LEF 81 2 x 51 2 LEF Copier s paper tray A6 SEF 81 2 x 51 2 Bypass 4 SEF 81 2 x 11 SEF Optional paper tray unit Custom sizes in the bypass tray Width 90 216 mm 3 5 8 5 Length 140 356 mm 5 5 14 0 Copier s paper tray optional paper tray 60 90 g m 16 24 Ib Bypass 60 157 g m 16 42 Ib 2 enlargement and 3 reduction A4 Version LT Version 200 155 141 129 Enlargement Full Size 100 100 93 93 Reduction 7196 7896 5096 6596 50 to 200 in 196 steps 120 V 60 Hz Or 220 240 V 50 60 Hz SPEC 1 SPECIFICATIONS 24 July 2001 Power Consumption Maximum Not above 1 kW Standby mainframe only Approx 90 W Standby with ADF PTU Approx 100 W When printing Approx 480 W Low Power Level 1 Not above 50W Low Power Level 2 Note above 12W Auto Off Not above 2 W Noise Emission Sound Power Level Standby Mainframe Full system Not above 40 dB A A Operating Mainfram
43. WMF The CPU checks the thermistor A output once per second and calculates the power on ratio for the next second based on a current temperature b the temperature 1 second earlier and c the target temperature The target fusing temperature drops somewhat over time as the machine s overall state changes with continued use For normal copying the target starts at 180 C then drops to 170 C after one minute Fusing Temperature Control for Thick Paper Target temperature goes up 10 if the user selects thick paper mode 6 16 7 OVERHEAT PROTECTION Primary protection is provided by the thermistor and CPU with backup by a thermoswitch and secondary backup by a thermofuse See illustration above 7 25 Ls S 2g 5 Protection 1 If the CPU determines from the thermistor that the hot roller has stayed above 230 C for more than 1 second it cuts the power to the fusing lamp and issues SC543 Protection 2 The thermoswitch connected in series with the fusing lamp s common ground opens if it reaches 190 C cutting power to the lamp If you restart the machine without correcting the problem the machine will issue SC541 Protection 3 The thermofuse which is farther from the lamp than the thermoswitch opens at 131 C cutting power to the lamp 6 49 ENERGY SAVER MODES 24 July 2001 6 17 ENERGY SAVER MODES 6 17 1 MODE TRANSITIONS When the machine is idle the energy saver function reduces power co
44. a beam E at the drum drawing the latent electrostatic image on the drum surface Exposure by laser dissipates the local negative charge 4 ID IMAGE DENSITY SENSOR The ID sensor F periodically measures a drum surface reflectivity and b reflectivity of a test pattern image drawn on the drum The FCU uses ID sensor data to adjust charge roller voltage and uses both ID sensor data and TD sensor J data to adjust the toner density 5 DEVELOPMENT Augers at G carry developer carrier toner mix to the magnetic development roller H The roller creates a developer brush that rubs against the drum causing toner to adhere to the electrostatic image The doctor blade I restricts the height of the brush The TD toner density sensor J measures the ratio of toner in the developer 6 IMAGE TRANSFER Paper moves between the drum and the transfer roller K A positive charge applied to the transfer roller pulls toner off the drum and onto the paper while also attracting the paper itself 7 PAPER SEPARATION Paper is separated from the drum as a result of a electrostatic attraction of paper toward transfer roller and b a high AC voltage applied to the discharge plate L 8 CLEANING The cleaning blade M scrapes remaining toner from the drum and the toner collection coil N retrieves this toner 9 QUENCHING Light from the quenching lamp O neutralizes the charge on the drum surface 6 14 24 J
45. contact area G around each latch is flush against the cover Then push so that latch 1 locks into place then latch 2 and then latch 3 at the rear left NOTE The latches may break if you try to push the table in at an angle B0461526 WMF 24 July 2001 DOCUMENT FEEDER 5 Remove the rear cover A 2 x 5 2 S n E B0461514 WMF 6 Remove the left scale plate B 2 x 2 B0461506 WMF 7 Setthe DF body C onto the copier in its correct position Press the latch D to raise the top half of the body and fasten to the copier with the 4 hex screws using the included hex wrench D B0461528 WMF DOCUMENT FEEDER 24 July 2001 8 11 Install the DF connection board A and DF board bracket B 2 x 5 C A B0461513 WMF Connect the four wire sets from the DF body to CN103 CN105 CN106 and CN107 on the DF connection board Not shown in illustration Connect one end of the supplied wire harness C to CN101 and CN102 on the DF connection board and connect the other end to connectors CN9 and CN10 on the FCU Secure the wire harness into the clamp D located to the side of the DF board Reattach the rear cover and the platen cover 12 13 Plug the power cord and turn on the main switch Make a full size copy from the first tray using the ADF and check the side to side and leading edge registrations If the registration is in
46. end sensor is included on 100 sheet bypass models only B044 and 046 6 3 OVERVIEW 24 July 2001 4 3 B046D560 WMF 1 Exhaust Fan 5 Paper Feed Clutch 2 PSU 6 Bypass Feed Clutch 3 7 Registration Clutch 4 FCU 1 NCU is standard on fax equipped models only B046 and B049 2 Bypass feed clutch is included on 100 sheet bypass models only B044 and 046 24 July 2001 PAPER PATH 6 2 PAPER PATH B046D561 WMF NOTE The illustration shows model B046 Models B045 and B049 have 1 sheet bypass only no bypass paper feed roller and no bypass friction pad The paper tray unit shown above is an option for 044 and 046 and is not available on B045 and B049 7 25 Ls o S 2g 5 6 5 DRIVE LAYOUT 24 July 2001 6 3 DRIVE LAYOUT B046D562 WMF 5 1 Scanner Motor 7 Registration Clutch 2 Toner Bottle or THM Clutch 8 Developer Driver Gear 3 Main Motor board 9 Drum Drive Gear 4 Main Motor drive shaft 10 Fusing Drive Gear 5 Paper Feed Clutch 11 Exit roller 6 Bypass Feed Clutch 1 Bypass feed clutch is included on 100 sheet bypass models only B044 and 046 6 6 24 July 2001 BLOCK DIAGRAM PCBS AND COMPONENTS 6 4 BLOCK DIAGRAM PCBs AND COMPONENTS
47. motor defective Scanner HP sensor or connector defective e FCU defective e Scanner belt loose or detached Scanner home position error 2 Scanner home position sensor did not detect ON condition during initialization or copying Forgot to remove one or more of the scanner stoppers e Scanner motor defective Scanner HP sensor or connector defective e FCU defective e Scanner belt loose or detached Scanner home position error 3 Scanner home position sensor did not detect OFF condition during book or ADF scan operation Forgot to remove one or more of the scanner stoppers e Scanner motor defective Scanner HP sensor or connector defective e FCU defective e Scanner belt loose or detached Scanner home position error 4 Scanner home position sensor did not detect ON condition during book or ADF scan operation 4 2 Forgot to remove one or more of the scanner stoppers e Scanner motor defective Scanner HP sensor or connector defective e FCU defective e Scanner belt loose or detached 24 July 2001 SERVICE CALL CONDITIONS se Error Symptom Possible Cause SBU auto adjustmenterror 302 During SBU auto adjustment SBU auto adjustment was not done SP4 908 the detected correctly er 3 13 white level was out of range Exposure lamp defective SBU harness defective Bad connection Defect in optics system dirty scanner mirror mirror out o
48. newspapers or other originals through Fax Text 1 Text Sharp which text on the rear side is moderately Text visible Fax Text 2 Dropout Stronger removal of dropout colors Photos with visible pixels newspaper Bun Fax Photo 1 Photo Smooth photos etc Fax Photo 2 Photo Normal Normal photos 6 20 IMAGE PROCESSING 24 July 2001 6 8 4 IMAGE PROCESSING STEPS FOR EACH MODE suonduosog uo uo uonue eJg Ajuo 19809 e6p3 104 031002 ose13 826 8 1 Ajuo yip 0 0113 9 6 48 jua snyiq 1043 Aseuig 1043 4043 1013 1043 01044 puz 226 S26 vdS Ho Jo uonoou02 9ur1 uo uo uo uo uo apis oL opis uo 40 Bunos ueos 2z6 bdS axld Xe Oloud 1xel pons dieys euuoN xor ANS ET uo uo uo
49. remove the tape and cardboard at C and push the tray back in B0461516 WMF 24 July 2001 PAPER TRAY UNIT Set the machine onto the paper tray unit 2 S n E B0461527 WMF 4 Remove the paper tray from the paper tray unit Load paper into the paper tray Adjust the side and end fences as necessary If loading 81 2 x 14 paper remove the end fence and set it into the special compartment Set the paper tray back into the paper tray unit Stick on the appropriate tray number decal and paper size decal at the locations indicated in the illustration B0461517 WMF PAPER TRAY UNIT HEATER 24 July 2001 1 4 PAPER TRAY UNIT HEATER 1 4 1 ACCESSORY CHECK Confirm that you have the accessories indicated below z Description o lt Grounding wire Relay harness Clamps Ferrite core Heater fastening screws PTU fastening screws Grounding screw Decal for copier CO Decal for paper unit Tie wrap GC P AH PD k B0461518 WMF 1 4 2 INSTALLATION PROCEDURE NCAUTION Unplug the main machine s power cord before starting the following procedure 1 Ifthe paper tray unit is already installed uninstall it by lifting the copier off of it Refer to illustrations for Procedure 1 3 2 above 2 Remove both paper trays the one from the copier and the one from the paper
50. resident SP and UP settings and values to their defaults with the exception of the serial number setting SP5 81 1 the plug and play settings SP5 907 and the total print counters SP7 003 This procedure is not for normal use but may be appropriate if the copier has malfunctioned as a result of a problem with its SRAM 1 Before clearing the memory clear you should do both of the following to save current SRAM data if possible Print a complete SMC printout using SP5 992 Be sure to select all 2 All for the printout type er 5 1 5 Upload the data to a flash memory card using SP5 824 er 5 1 9 2 Access SP5 801 3 Hold down the Original Type key and press the OK key or 3 key to execute the clear If the clear is successful the display shows Action completed If it fails the display shows Error 4 Turn the main switch off and back on If you save SRAM data to flash memory try downloading the data back into the machine er 5 1 9 If the download is successful this completes the procedure If you did not save 5 data to a flash memory card or if you were unable to download the saved data then continue as follows 6 Carry out printer and scanner registration and magnification adjustments wr 3 13 7 Carry out auto scanner white level adjustment using SP4 908 8 Referto the SMC printout and re enter any values that differ from the factory settings 9 Check the co
51. roller so that it buckles The amount of buckle can be adjusted with SP1 003 Detailed Descriptions 0460708 6 43 IMAGE TRANSFER AND PAPER SEPARATION 24 July 2001 6 15 IMAGE TRANSFER AND PAPER SEPARATION 6 15 1 OVERVIEW B046D572 WMF B046D401 WMF B046D302 WMF The transfer roller A is pressed against the OPC drum B The high voltage power supply board C supplies a positive current to the transfer roller attracting the toner from the drum onto the paper The current is set in accordance with the paper s type size and feed tray Separation of the paper from the drum is aided by the drum s own curvature and by a high AC voltage applied to the discharge plate D The drum drives the transfer roller directly by gears E F 6 44 24 July 2001 6 15 2 IMAGE TRANSFER CURRENT TIMING IMAGE TRANSFER AND PAPER SEPARATION There are two current levels used during the transfer sequence low and high 1 Attime of write start signal the high voltage supply board generates low current 5 A to the roller This prevents positive toner on the drum from moving to the roller 2 After a certain time the high voltage supply board generates high current to the roller causing toner to move from drum to paper See table below 3 After the sheet has passed the roller current goes off if printing is finished or returns to low if multicopy job with nonstop feed The table below sho
52. screen shows three check sums SUM total checksum B boot sum and M main sum f you have used SP 827 to download new firmware be sure to reboot the software before running this SP If you don t reboot the screen will show checksums for the previous firmware 901 Printer Free Run Starts a printer free run 0 No 1 Yes For details about free runs 5 1 7 After selecting 1 press the OK key or the C key twice to start the free run Press to stop the free run 902 Test Pattern Print 1 Prints a test pattern er 5 1 2 906 Exhaust Fan Control Timer 1 Inputs the fan control time 30 120 30 1 s step The fan maintains existing speed for the specified time before slowing or stopping after occurrence of an SC or following entry into warm up standby or low power mode 907 Plug amp Play Setting Selects the brand name and production name for the Plug and Play function for Windows 95 and up These names are registered in the SRAM If the SRAM becomes defective these names should be re registered Use the Right or Left cursor key to scroll through the list of brand names To select a brand name press the Original Type key and the or C key at the same time The LCD displays an asterisk next to the number of the currently selected brand name After displaying any of the brand names you can view the correspon
53. the chance that the transfer roller and rear side of paper will become dirty 998 Main Scan Magnification Printing Adjusts the magnification along the main scan direction for all print modes copy fax printing 70 5 0 5 0 0 0 1 step Use the key to select or when entering the value 5 8 24 July 2001 USING SERVICE PROGRAM MODE SP4 XXX Scanner 4 Mode Number Name Function Setting 008 Main Scan Magnification Scanner 1 Adjusts the magnification along the main scan direction for scanning 0 9 9 0 0 0 0 1 step Use the key to select or when entering the value 010 Leading Edge Registration Scanner 1 Adjusts the leading edge registration for scanning in platen mode 2 0 45 0 0 0 0 1 mm step IAJ The image moves toward the leading edge The image moves toward the trailing edge Use the key to select or when entering the value 011 Side to side Registration Scanner 1 Adjusts the side to side registration for scanning in platen mode 0 9 0 9 0 0 0 1 mm step IAJ e Increasing the value shifts the image to the right Use the key to select or when entering the value 013 Scanner Free Run Performs a scanner free run with the exposure lamp on 0 No 1 Yes For details about free runs
54. the data from the card into the SRAM on the new FCU For instructions see Section 5 1 8 2 Replacement FCUs ship with the battery jumper switch set to the OFF position Be sure to change the jumper switch to the ON position before installing the replacement FCU 3 25 FUNCTION CONTROL UNIT FCU 24 July 2001 2 Faxless machine A Fax equipped machine Ee 25 os on 55 og B046R907 WMF B046R910 WMF B046R911 WMF 1 Rear cover 3 3 2 2 FCU cover plate A 7 screws on faxless machines 8 on fax equipped machines NOTE On fax equipped machines detach the NCU connector B first then unscrew the cover plate and remove the cover plate together with the NCU 3 FCU C all connectors 2 flat cables x 6 NOTE If an optional DIMM is installed on the FCU remove it and install it on the new FCU er 1 6 4 Before installing the new board set the new board s TB1 battery jumper switch D to the ON position 24 July 2001 LASER UNIT 3 11 LASER UNIT NWARNING The laser beam can cause serious eye damage Be sure that the main power switch is off and that the machine is unplugged before accessing the laser unit 3 11 1 LOCATION OF CAUTION DECAL Replacement Adjustment CAUTION VORSICHT INVISIBLE LASER WEN OPEN EXPOS J3z TO SEAM UNSICH IB amp RE LASERS JVC WENN ABDEC 4 NIC
55. tray unit 24 July 2001 PAPER TRAY UNIT HEATER 3 Remove the ground screw A at the rear of the paper tray unit 2 S n a E 4 Fasten the heater B and the supplied ground wire C to the paper tray unit with 3 screws as shown Note that A is the grounding screw you removed at Step 3 returned to its original hole and D and E are the two supplied heater fastening screws NOTE Be sure to position the ground wire C and heater harness F so that they will be out of the way of the copier when you set it onto the paper tray unit 5 Set the copier onto the paper tray unit 6 Screw the paper tray unit into place using three supplied PTU fastening screws 0461500 PAPER TRAY UNIT HEATER 24 July 2001 7 Open the front door A and remove the copy tray B 2 1 Then close the front door B0461501 WMF 8 Remove the rear cover C 5 v N AN N A VAN 3 5 NN N V 10 y 2 3 PA N f AN E t 0461502 9 Remove the FCU cover plate D 7 screws faxless machines 8 screws on fax equipped machines NOTE On fax equipped machines detach the NCU connector E first Faxless machines Fax equipped machines B0461503 WMF B0461504 WMF 24 July 2001 PAPER TRAY UNIT HEATER 10 11 12 13 14 15 16 Pass the heater s ha
56. uo uo eurBupeus Bupeus yum Isnipy ON sav ON sav uoouis dieys 4 2 ojoud 1 1 4 jeioeds Jeido5 B046D999 WMF 6 21 IMAGE PROCESSING 24 July 2001 6 8 5 MODE ADJUSTMENTS As a service person you can use SPs 4 922 to 4 966 to further customize each of these original modes to meet specific user requirements If the user is experiencing a problem with copy or fax quality however SP based adjustment should be the last step Always proceed as follows 1 First try changing the density notch setting If that doesn t resolve the problem then 2 Try selecting a different original mode If that also doesn t resolve the problem then 3 Try customizing the relevant original mode with SPs To customize First use SP4 921 to select the original mode that you wish to customize Then enter the relevant customizations using SP4 922 to SP4 966 Refer to Section 5 for general information about the adjustments you can make Note the following points SP settings are relative to the selected original mode If you set the SP value to 0 the machine will use the default processing for that mode f you enter an SP customization setting for a
57. 0 WMF B046R922 WMF Pull the paper tray part way out High voltage power supply board er 3 12 2 Main motor er 3 12 4 Remove 1 screw A from the small cover plate Open 3 clamps B on the large cover plate and remove the wiring Detach two connectors C from the FCU Large cover plate D x 7 x 2 2 bushings Paper feed clutch E M ME LC 50 IMAGE TRANSFER 24 July 2001 3 9 IMAGE TRANSFER 3 9 1 IMAGE TRANSFER ROLLER 1 Right door 3 3 9 2 Raise the levers A B at the ends of the image transfer roller and remove the roller C NOTE 1 Note the position of the 2 springs D at each end When reinstalling the roller be sure that the pegs on the plastic end pieces fit into the springs 2 Do not touch the transfer roller surface with bare hands Replacement Adjustment B046R915 WMF D B046R913 WMF B046R914 WMF 1 Right door 3 3 9 2 Pushin the latches as shown and pry off the entire section A 3 ID sensor B x 1 24 July 2001 FUNCTION CONTROL UNIT FCU 3 9 3 DISCHARGE PLATE 1 Right door 3 3 9 2 Use a tweezers to remove the discharge plate A B046R934 WMF Ee 25 os on 55 og 3 10 FUNCTION CONTROL UNIT FCU NOTE 1 Before starting replacement use SP5 824 to save SRAM user data from the existing FCU into a flash memory card After finishing the replacement use SP5 825 to reload
58. 0h to 3FFFFFh enter 2 Then press to start the download NOTE If you enter 0 the default instead of 1 or 2 the machine moves back to the top level SP5 827 screen If you enter 1 or 2 but the corresponding card space does not contain a valid program the machine displays Loading error The machine erases the current firmware then begins downloading the new firmware from the card The ON lamp flashes and the screen counts down the progress The download takes about 3 minutes NOTE If downloading fails the Loading error message appears If this try repeating the procedure After completing the download turn off the main switch and remove the memory card Turn the switch back on and run SP5 837 to check the checksums for the new firmware Then run SP7 801 1 to confirm that it correctly displays the new firmware version NOTE Be sure to remove the card and turn the main switch off and back on before running the above SPs Program Download Display during download 1 2089024 B046M006 WMF A 0 erasing flash ROM 1 or 2 writing to flash ROM A B 1 if you selected 1st 2 if you selected 2nd B Amount bytes remaining to be written 5 30 24 July 2001 USING SERVICE PROGRAM MODE Program Upload SP5 826 NOTE 1 Be sure to turn off the main switch before inserting or removing the m Qo flash memory card Installing o
59. 1 RV S 8 Vt x RV S 4 2t RV 5 4 lt Vt lt RV 5 2 3t RV 5 2 lt Vt lt RV 45 5 4 RV S gt gt RV 45 5 5t gt 5 et NOTE The default value for tis 0 6 The value can be changed using SP2 922 6 37 DEVELOPMENT 24 July 2001 6 12 5 TONER SUPPLY IF SENSOR READING IS ABNORMAL ID Sensor Any of the following is considered abnormal Vsg lt 1 65 when Vsg is read e Vsg 2 31 at maximum power e Vsp gt 1 65 e Vt 2 2 64 or Vt 0 20 Current readings can be viewed using SP2 221 TD Sensor The reading is considered abnormal if TD 0 20 V or TD 2 64 V Abnormal readings 10 times in succession will generate SC 390 The current reading can be viewed using SP2 220 6 12 6 DETECTION OF TONER NEAR END AND TONER END Toner Near End detected when either of the following occurs e Vt is at level 6 see above table five times in succession e Vt 1 85 five times in succession Toner End detected when any of the following occurs Vt is 2level 6 and Vt gt 1 85 n time in succession where n is 50 by default but can be changed to 20 using SP2 213 Note that n corresponds to the number of sheets that can be printed before Toner Near End changes to Toner End e Vt is at level 7 three times in succession e 2 00 three times in succession 6 38 24 July 2001 DRUM CLEANING AND TONER RECYCLING 6 13 DRUM CLEANING AND TONER RECYCLING
60. 2001 DEVELOPMENT Toner Hopper Magazine B045 and B049 The magazine houses a grooved bottle similar to that shown above except that it has no cap The shuttering and rotation mechanisms are the same as on toner bottle models see above 22 A 2 TVA B046D308 WMF B046D310 WMF Detailed 7 6 35 DEVELOPMENT 24 July 2001 6 12 4 TONER DENSITY CONTROL Overview Toner concentration in the developer is controlled using the following values e Vts TD sensor initial setting 1 25V Used as reference voltage when Vref is not available e Vref Toner supply reference voltage calculated value periodically updated e Vt Actual output from TD sensor e Vsg Vsp Values from ID sensor where Vsp is the voltage of a test pattern the ID sensor pattern and Vsg is the voltage of the bare drum Toner Supply Clutch ON Time Calculation TD Sensor Output Vt Vref 3 Ss ____ Vref Update 4 4 ID Sensor Output Vsp Vsg 1 TD Sensor Initial Setting Vts B046D600 WMF Toner is added to the development unit if Vt is higher than the reference voltage Reference Voltage Vts is used as the reference if the PCU has just been installed since Vref has not yet been calculated or if ID s
61. 4 OUTPUT CHECK SP5 804 Output Check Code 0 Data 0 B046M01 1 WMF CAUTION To avoid mechanical or electrical damage do not leave electrical components on continuously for a prolonged period of time Access SP5 804 2 Select the number that corresponds to the component you wish to check see the table below then press OK or Press 1 then press OK or the C9 key to check that component To interrupt the test re enter SP 5 804 and enter a value of 0 Input Check Table Number Description 1 Polygon mirror motor 400 x 400 2 Polygon mirror motor 600 x 600 3 Main motor 4 Fan motor slow 5 Fan motor fast 5 25 USING SERVICE PROGRAM MODE 24 July 2001 5 1 5 SMC PRINTING SP5 992 1 2 X EIE ce Access SP5 992 Select the type of data you wish to print 1 to print SP settings only 2 to print all system parameters including SP settings or 3 to dump a selected memory range If you selected 3 press the OK key and then use the cursor and numeric keys to enter the address range to be dumped Press 2 to access the copy mode display Select the print conditions paper size print density etc Press 9 again to print the list Press to exit from copy mode Press as necessary to exit this SP 5 26 24 July 2001 USING SERVICE PROGRAM MODE 5 1 6 MEMORY ALL CLEAR SP5 801 Executing a Memory Clear will reset all SRAM
62. 46D555 WMF Europe Asia version NCU RITONE LINE cd E EENE DCLSW gt DO Sw CMLSW ot TRXD 1 gt Surge Noise Surge BR Protect Filter Protect DC Loop L Trans Currect 7 ING Detect e OHDI Sw ca Surge Protect DOSW OHDISW I CMLSW HOOKO HOOK1 GS m ms EXRING lt gt Ringing T 1 e e Detect RCSEL Rl e e l 6858 0460556 Jumper on Europe Asia version Jumper TB1 must be opened on machines installed in Hong Kong 6 12 24 July 2001 COPY PROCESS OVERVIEW 6 6 COPY PROCESS OVERVIEW A B 6 5 B046D563 WMF a 7 The following is a brief overview For more detailed information about each process refer to the Core Technology manual 1 EXPOSURE A xenon lamp A exposes the original the CCD B converts reflected light to analog data signal the FCU converts analog signal into digital data processes it stores itin memory the FCU retrieves the data from memory and uses it to drive the laser Each original is scanned once only 6 13 COPY PROCESS OVERVIEW 24 July 2001 2 DRUM CHARGE In the dark the drum charge roller C imparts a negative charge to the OPC drum The roller is kept clean by cleaning roller D 3 LASER EXPOSURE The laser unit controlled by the FCU fires
63. 46D563 WMF The development section consists of the following parts 1 Development Roller 4 TD Sensor 2 10 Sensor 5 Mixing Auger 1 3 Mixing Auger 2 6 Doctor Blade The two mixing augers mix the developer carrier toner mix The TD toner density sensor and the ID image density sensor are used to control the copy image density 6 32 24 July 2001 DEVELOPMENT 6 12 2 DEVELOPMENT BIAS A B046D309 WMF Black areas of the latent image on the drum are at low negative charge about 140 50 V with white areas at high negative charge about 900 V To attract negatively charged toner to black areas the high voltage supply board A applies a default bias of 600 V to the development roller B The bias voltage can be adjusted with SP2 201 1 7 Ls S 2g 5 6 33 DEVELOPMENT 24 July 2001 6 12 3 TONER SUPPLY Toner Bottle Models B044 and B046 B046D306 WMF When toner bottle A is pushed in shutter B is pushed open by the PCU bogy Pressing in lever C pulls off toner bottle cap D which is held by chuck E When clutch F turns the bottle the spiral grooves push toner out at G and the turning Mylar blades H push this toner through slit I into the developing unit Toner collection coil J simultaneously recycles toner retrieved from the OPC drum The recycled toner slides down chute K and enters the developing unit through slit L 6 34 24 July
64. 5 3 10 FUNCTION CONTROL UNIT 3 25 S TT ULAR UNIT codi ueteri eril mike cad bak 3 27 3 11 EOGATION OF CAUTION DECAL crs 3 27 3112 PSUBRACKE R oe FED HET EHE DER Ez 3 28 DAN Miso USP ere UNIT 5 2 22201422 bela bei ds 3 29 SATS 3 29 3 11 5 POLYGON MIRROR MOTOR 3 29 3 12 OTHER REPLACEMENT S ettet ee t enc Roc tates 3 30 3 123 QUENCHING ctio ee er Re ede 3 30 3 12 2 HIGH VOLTAGE POWER SUPPLY BOARD 3 30 212 35 cct ct I EE ED 3 30 3 12 4 MAIN MOTOR c 3 31 3 12 5 EXHAUST 3 31 3 13 COPY IMAGE ADJUSTMENTS PRINTING SCANNING 3 32 3 1071 PRINTING ee omae ese n 3 32 Registration Leading 5 5 2 1 3 32 Blank PRAE T cm 3 33 Main Scan 3 33 3 192 SCAN NIN G 2 aue rettet et eet deo eats 3 34 Registration Platen Mode iode aa ee 3 34 iile anre ji o Merc R 3 34 Standard White Density Adjustment 2121111 3 35 3 13 3 DF IMAGE ADJUSTMENT es
65. 902 5 23 5 1 3 INPUT CHECK SP5 803 tite ctetu tatit sinas 5 24 EU 5 24 5 1 4 OUTPUT CHECK 5 8044 etienne tne han 5 25 5 25 PRINTING SPS UOZ J tute ite ieri te eee ete bere eite tee bte eee tend 5 26 5 1 6 MEMORY ALL CLEAR 5 801 ieu nd n rn 5 27 9 BREE RUINS ee ch Si een ume es E ES 5 28 5 1 8 PROGRAM UPLOAD DOWNLOAD 5 29 Program 27 5 29 5 8261 5 0 5 31 5 1 9 SRAM DATA 5 32 SRAM Data Upload 5 5 824 5 32 SRAM Data Download 5 5 825 5 33 5 1 10 SERIAL NUMBER INPUT 5 5 811 5 33 5 1 11 ID SENSOR ERROR ANALYSIS 5 2 221 5 34 5 1 12 MEMORY 5 35 22 USER TOOL
66. ATURE LOG 24 July 2001 4 4 DUMPING THE FUSER TEMPERATURE LOG The FCU monitors the fuser temperature and maintains a log of the most recent temperature values If a heating related SC error occurs error code 9 22 SCs 541 to 552 you may wish to print out a dump of the logged data before clearing the SC condition The printout can then be submitted for analysis To dump the log proceed as follows 1 Before clearing the SC use SP7 955 to write 02h into address 40191C This freezes the log data Clear the SC Use SP 992 setting 3 er 5 1 5 to print out a dump of addresses 401900 to 410CFF 4 Use SP7 955 to write 00h into 40191C This will restart temperature logging 4 8 24 July 2001 USING SERVICE PROGRAM MODE 5 SERVICE TABLES 5 1 USING SERVICE PROGRAM MODE Use the service program mode SP mode to check electrical data change operating modes and adjust values Accessing SP Mode to Enter SP Mode 1 the following sequence zs ss ores e Hold the key down for longer than 3 seconds 2 The LCD displays a menu Service P Mode 1 2 Fax 3 Printer B046M001 WMF NOTE Installed applications appear on the menu as follows 1 Copy 2 8 Printer If an application is not installed the corresponding item does not appear 3 Press the number for the application mode you need For example press 1 to select the copier application mode The selec
67. FT 421 3 1 PAPER END DETECTION 225 421 4 1 8 SIDE AND END FENCES B421 5 2 REPLACEMENT AND ADJUSTMENT B421 6 2 1 FEED ROLLER AND FRICTION 421 6 2 2 REMOVING THE PAPER TRAY UNIT FROM THE COPIER 421 6 If Optional Tray Heater Is Not Installed B421 6 If Optional Tray Heater Is Installed B421 6 2 3 SENSORS ee ee a tee ete as B421 7 2 4 DRIVE SECTION fice cue oe es es eee B421 8 DRIVE tere 421 8 24 2 PAPER FEED lt lt 421 8 24 3 PAPER FEED CLUTCH 421 9 2 4 4 TRAY MAIN BOARD 2 41 421 9 DOCUMENT FEEDER 444 1 OVERALL INFORMATION 2 2 1 B444 1 1 1 MECHANICAL COMPONENT LAYOUT B444 1 1 2 ELECTRICAL COMPONENT B444 2 ESNIDI TIN NIORT B444 3 2 DETAILED SECTION DESCRIPTIONS 444 4 2 1 PICK UP AND B444 4 2 2 QLBTEH OPBRATION achten B444 4 2 3 TRANSPORT AND
68. I IT DEM STRA IL 5055 258 0461103 gt PS lt BO46RLW WMF LASER UNIT 24 July 2001 3 11 2 PSU BRACKET 1 FCU 3 10 NOTE After removing the copy tray leave the front door open 2 Remove the 4 screws at A Ee 25 eos on 55 og B046R905 WMF 3 Unscrew the 6 screws securing the PSU bracket B and detach the 4 connectors NOTE Use a stubby screwdriver to remove the 2 screws at C 4 Hold the PSU bracket at the rear viewing from the front of the machine pull the rear end out to the left slightly then lift the bracket upward at the rear so that it comes free of the hooks D at the front Pull the PSU bracket out B046R906 3 28 24 July 2001 LASER UNIT 3 11 3 LASER UNIT B046R101 WMF B0461103 WMF 1 PSU bracket er 3 11 2 NOTE After removing the PSU bracket leave the front door open 2 Release the toner bottle holder if model 044 or B046 or THM if model B045 or B049 and pull it out slightly Illustration shows toner bottle model Replacement Adjustment 3 Laser unit A 2 x 3 x 2 NOTE When reinstalling the laser unit be sure that the wire at B passes under the unit In particular be certain that the wire does not pass in front of the glass area on the unit 3 11 4 LD UNIT 1 Laser unit er 3 11 3 2 Remove the harness C in figure above from the clamp D 3 Laser unit
69. IT 6 16 1 OVERVIEW The fusing unit and paper exit area consist of the following parts Exit sensor Exit roller Hot roller strippers Pressure spring Pressure roller Fusing lamp Hot roller Thermofuse Thermoswitch 0 Thermistor B046D573 WMF 6 16 2 FUSING DRIVE AND RELEASE MECHANISM The main motor A drives the hot roller B C pressure roller C and exit roller D through a gear train 25 Ls S 58 5 B046D504 WMF 6 47 IMAGE FUSING AND PAPER EXIT 24 July 2001 6 16 3 PRESSURE ROLLER The pressure springs A constantly press the pressure roller B against the hot roller C As the default the springs are positioned at the end D If necessary pressure can be decreased by changing the springs to position E B046D501 WMF 6 16 4 PRESSURE RELEASE G When right door opens part F on each side pulls open catch G on each side we releasing pressure on the pressure roller SS so that it can turn freely to allow removal 5 of jams When right door closes part H pushes catch G closed restoring normal pressure B046D505 WMF 6 16 5 SEPARATION The hot roller stripper pawls I prevent paper from sticking to the hot roller B046D503 WMF 6 48 24 July 2001 IMAGE FUSING AND PAPER EXIT 6 16 6 FUSING TEMPERATURE CONTROL Overview A Thermistor B Thermoswitch C Thermofuse B046D502
70. LYSIS SP2 221 Vg4 05 Vp0 56 PW59 Vg Vp3 49 Vt2 16 B044M009 WMF A defective ID sensor does not generate an SC condition but does cause the image quality to become worse e g dirty background on the copy If these conditions occur check the ID sensor output using SP2 221 er 6 11 15 1 Vsg Vg in the display Error Condition Vsg 1 65 Possible causes sensor defective sensor dirty Drum does not get charged 2 Vsp Vp in the display Error Condition Vsp 1 65 Possible causes Toner density is very low 10 sensor pattern is not being generated 3 Power PW in the display This is the power for the light source of the ID sensor Error Condition Vsg 2 31 at maximum power Possible causes sensor defective sensor dirty Drum does not get charged 4 Vsdp Vg Vp in the display No Error Conditions Vt Error Condition Vt 2 64 or Vt 0 20 Possible cause e sensor defective 24 July 2001 USING SERVICE PROGRAM MODE 5 1 12 MEMORY READ WRITE You can use SP7 955 to read byte values from arbitrary RAM addresses and to write values to arbitrary RAM addresses When you enter this SP the screen looks likes this Mem R W 1byte Adr 800000 Data 00 B046M005 WMF You can now operate the SP as follows To manually enter an address or data value Use the cursor keys to move to the desired column in the Adr field Use numeric keys t
71. Model S C1 Machine Code B045 B049 B044 B046 SERVICE MANUAL 17 July 2001 Subject to change SAFETY NOTICES PREVENTION OF PHYSICAL INJURY 1 Be sure that the power cord is unplugged before disassembling or assembling parts of the copier or peripherals The wall outlet should be near the copier and easily accessible Note that electrical voltage is supplied to some components of the copier and the paper tray unit even while the main power switch is off If you start a job before the copier completes the warm up or initializing period keep hands away from the mechanical and electrical components until job execution has started The copier will start making copies as soon as warm up or initialization is finished The inside and the metal parts of the fusing unit become extremely hot while the copier is operating Be careful to avoid touching those components with your bare hands HEALTH SAFETY CONDITIONS Toner and developer are nontoxic but getting either of these into your eyes may cause temporary eye discomfort Try to remove with eye drops or flush with water If material remains in eye or if discomfort continues get medical attention OBSERVANCE OF ELECTRICAL SAFETY STANDARDS The copier and its peripherals must be installed and maintained by a customer service representative who has completed the training course on those relevant models LITHIUM BATTERIES Incorrect replacement of l
72. NOTE 1 Be sure to turn off the main switch before inserting or removing the flash memory card Installing or removing a card while the main switch is on may damage the FCU 2 This operation will erase any data already stored in the flash memory card 1 Turn off the main switch 2 Insert the flash memory card A into the card slot with the card s B side facing the rear of the machine B0461125 WMF 3 Turn on the main switch 4 Access SP 5 824 5 Enter 1 at the keypad and then press OK or 6 The machine erases the card and then saves its SRAM data into it The ON lamp flashes and the screen counts down the progress Uploading takes about 30 seconds On successful completion the screen displays Loading completed NOTE If uploading fails the Loading error message appears If this occurs try repeating the procedure 7 Turn off the main switch then remove the memory card Display during upload SRAM Data Upload A 10 erasing card il 120834 11 saving to card B Amount bytes remaining B044M007 WMF A B 24 July 2001 USING SERVICE PROGRAM MODE SRAM Data Download SP5 825 NOTE 1 Be sure to turn off the main switch before inserting or removing the flash memory card Installing or removing a card while the main switch is on may damage the FCU 2 This operation will overwrite all of the machine s current SRAM data 1 Turn off the main switch m Insert the flas
73. PCU is 6 31 612 DEVELOPMENT eot 6 32 1271 OVE RV EV ite tle ite tla ede tle trac 6 32 6 12 2 DEVELOPMENT BIAS 6 33 6712 3 TONER SUPPEY 6 34 Toner Bottle Models B044 and 046 6 34 Toner Hopper Magazine B045 and 49 6 35 6 12 4 TONER DENSITY 6 36 OVE EW corte octo Dad pite ptu de qud emi epi Ou OD au vdd Ed RD 6 36 Reference Voltage 6 36 Toner Density Sensor Initial Setting 12222 6 36 Toner Concentration Measurement 6 37 Vsp Vsg Detection x etra retro tete rout pute 6 37 Calculation of VIG caedi ea cu eri OU dco mid toe ibo b De en 6 37 Toner Supply Determination 6 37 Toner ON TIME Enea PE EFE HERE o ap doen ice 6 37 6 12 5 TONER SUPPLY IF SENSOR READING IS ABNORMAL 6 38 8 SeRISOD ia raodo CR ITA RD etr nei pap d etu b ett 6 38 TD SENSora OE 6 38 6 12 6 DETECTION OF TONER NEAR END AND TONER END
74. Positive settings provide better elimination of dirty background 961 Plotter Mode Select Selects the plotter mode used by the processing mode selected by SP4 921 IP 0 Selected processing mode s default 1 Normal no correction 2 Toner save 3 The default varies according to the processing mode selected by SP4 241 962 Marking Image Density Conversion Selects the image density conversion for the processing mode selected by 5 4 921 2 2 0 1 step IP A setting of 0 sets conversion OFF Negative settings reduce the black marking size while positive values magnify it 963 Marking Image Density Setting Sets the density adjustment type for the mode selected by SP4 921 IP 0 5 0 1 step where The mode s default value is used Distortion prevention Distortion prevention and edge correction Normal Light edge correction Dense edge correction 5 12 24 July 2001 4 Mode Number Name USING SERVICE PROGRAM MODE Function Setting 964 Spot Dot Enhancement Select Selects emphasis used for lone dots for the mode selected by SP4 921 IP 2 2 0 1 step 965 Toner Save Level Sets the toner save level for the mode selected by 5 4 921 0 4 0 1 step where 0 The mode s default value is used 1 Thin lines 2 Mask 1 with edge detect 3 Mask 2 no edge detect 4 Mask 3 wi
75. S n a E If there is a fax unit on the machine print out all messages stored in the memory all user programmed items and a system parameter list If there is a printer option on the machine print out all data in the printer buffer Turn off the main switch and disconnect the power cord the telephone line and the network cable 1 14 INSTALLATION REQUIREMENTS 1 1 1 ENVIRONMENT Temperature and Humidity Chart Humidity Operation range 15 Temperature 10 27 32 50 F 80 6 F 89 6 F B0461512 WMF 1 Temperature Range 10 C to 32 C 50 F to 89 6 F 2 Humidity Range 15 to 80 RH 3 Ambient Illumination Less than 1 500 lux Do not expose to direct sunlight 4 Ventilation Room air should turn over at least 3 times hr person 5 Ambient Dust Less than 0 1 mg m 6 Do not install the machine where it will be exposed to direct sunlight or to direct airflow from a fan air conditioner air cleaner etc Do not install the machine where it will be exposed to corrosive gas 8 Place the machine on a firm and level base 9 Do not install the machine where it may be subjected to strong vibration 1 1 INSTALLATION REQUIREMENTS 24 July 2001 1 1 2 MACHINE LEVEL Front to back Within 5 mm 0 2 of level Right to left Within 5 mm 0 2 of level 1 1 3 MINIMUM OPERATIONAL SPACE REQUIREMENTS Place the machine near the power source providing clearance as shown
76. Yes start adjustment Use this SP after replacing the white plate FCU or lens block and after executing a Memory Clear SP5 801 e IAJ Standard White Density Adjustment 913 Shading Interval Time Adjusts the interval used for shading processing in DF mode 0 255 30 1s step Setting this value to 255 will switch off auto shading between pages of DF copy jobs Light and heat may affect scanner response Heduce this setting if copy quality indicates that the white level is drifting during DF copy jobs 921 Image Adjustment Selection 1 Use this to select the processing mode pattern that you wish to set adjustment parameters for After selecting the mode you can set the adjustment parameters for that mode using SPs 4 922 to 4 966 There are 11 modes Pattern 1 to Pattern 11 as follows 1 Text 1 7 Special 3 2 Text2 8 Fax Text 1 text sharp 3 Photo 1 9 Fax Photo 1 photo smooth 4 Photo 2 10 Fax Photo 2 photo normal 5 Special1 11 Fax Text 2 text dropout 6 Special 2 First use the right or left cursor key to select the mode Pattern 1 to Pattern 114 and then press 1 to enable adjustment for that mode Then press OK and then proceed to use SPs 4 922 to 4 966 to make adjustments If you press 0 and then press OK SPs 4 922 to 4 966 will not operate 5 10 24 July 2001 USING SERVICE PROGRAM MODE
77. an dimension You can adjust magnification in the sub scan direction using SP4 101 which will adjust the motor speed You can adjust in the main scan direction using SP4 008 For information about scanning in DF mode refer to the ADF manual 6 16 24 July 2001 IMAGE PROCESSING 6 8 IMAGE PROCESSING 6 8 1 OVERVIEW 6 Optional DIMM Drum LDD Optional Printer Controller B046D100 WMF The scanned image is processed by the following modules In the SBU e CCD Converts the reflected light from the image into an analog signal Driven by the CDM CCD Drive Module on the VPL Amp Amplifies the analog signal and sends it to the VPL on the FCU In the VPL chip on the FCU e VPU Video correction black level shading peak tracking and correction image correction gamma correction and reduction processing in main scan direction 6 8 2 e IPU Magnification processing in main scan direction filtering second gamma correction for fax only etc 6 8 2 e LIF Smoothing edge correction fine character adjustment er 6 8 2 7 25 Ls Sr 2g 5 The data then moves to the LD drive board accordance with timing controlled by the FCU Note the following e The VPU and IPU are submodules of a larger modu
78. apply to 1 sheet bypass feed 5 Left side Adjusts the left edge erase margin 0 0 9 0 2 0 0 1 mm step IAJ 6 Right side Adjusts the right edge erase margin 0 0 9 0 2 0 0 1 mm step IAJ 11 1 sheet bypass Adjusts the leading edge erase margin for 1 sheet bypass leading edge 0 0 9 0 4 5 0 1 mm step IAJ 12 1 sheet bypass Adjusts the trailing edge erase margin for 1 sheet bypass trailing 0 0 9 0 4 5 0 1 mm step IAJ 201 Development Bias Adjustment 1 Image area Adjusts the voltage applied to the development roller when printing 800 0 600 1 V step This can be adjusted as a temporary measure if faint copies are being produced due to an aging drum ID sensor pattern Adjusts the voltage applied to the development roller when generating the ID sensor pattern 0 N 200 V 1 H 240 V 3 HH 280 V 4 LL 120V The actual voltage applied is this setting 600V Copies after Toner Near End 1 Sets the number of copy print fax pages that can be made after toner near end has been detected 0 50 pages 1 20 pages Reduce the number of pages if the user normally makes copies with a high image ratio Initial Developer Running Initializes the developer by forced churning 0 No 1 Yes To start forced developer initialization you must turn the machine off and back on e Since the machine automatically initializes th
79. ass feed roller G Again the FCU controls clutch timing based on input from the registration sensor 7 B046D709 WMF From 1 Sheet Bypass Tray B045 B049 The user inserts the sheet directly up to the registration roller D Main motor A drives the gear on registration clutch B causing the registration roller to turn and feed the sheet 6 41 PAPER FEED 24 July 2001 6 14 3 PAPER FEED AND SEPARATION The machine uses a friction pad feed system A Friction pad in paper tray NOTE On 100 sheet bypass models 044 and 046 friction pad separation is also provided for the bypass feed B046D569 WMF 6 14 4 PAPER LIFT MECHANISM When tray is pushed in Projection B on frame pushes rounded slider C in against spring D retracting the latch E Spring F pushes the plate up B046D570 WMF 6 42 24 July 2001 PAPER FEED PAPER END DETECTION Main Tray When paper runs out feeler A drops into cutout activating paper end sensor B B046D571 WMF 100 Sheet Bypass Tray B044 B046 When paper runs out feeler C drops into cutout activating the bypass paper end sensor D B046D710 WMF 6 14 5 PAPER REGISTRATION The FCU uses input from registration sensor A to control clutch timing and detect misfeeds Registration clutch timing is controlled to eliminate skew by stopping the paper briefly as it reaches the
80. by the SPC2 FROM Flash ROM 2MB The machine s program memory Packaged in a 48 pin TSOP 75ns access time runs at 2 7 to 3 6 V 3VE The memory content can be overwritten from a flash memory card DRAM 8MB The machine s standard operating RAM Packaged in a 54 pin TSOP 100MHz maximum clock speed operates at 3 3V Allocated as follows 6 0K for page memory and if applicable ring buffer 1M for fax SAF 576K working RAM 256K line buffer 128K ECM buffer 128K OS 64K text SAF On 046 and B049 machines the SAF backup circuit will maintain DRAM content for up to about 12 hours if power outage occurs while SAF data is being stored NOTE If optional DIMM is installed the allocations for page memory ring buffer and fax SAF are different from the above and 2 5 to 5 4K may be allocated for sort SAF Ls S 2g 5 SRAM 128K Stores users settings and usage data Packaged in a 32 pin TSOP 70ns access time runs at 2 7 to 3 6 V BAT On board battery backup maintains memory content while power is off 3V 5V Converter Interface between the output by the FCU and the used by service flash card Energy Save Switching Controls low power mode switching 6 9 MAIN PCBS 24 July 2001 Reset Backup Circuit Monitors 5 power and issues system reset and RTC reset signals When the main power is off supplies power from the primary battery to SRAM and parts o
81. can Magnification 1 Adjusts the actual magnification ratio in the sub scan direction for DF mode 0 9 0 9 0 0 0 1 step IAJ Use the key to select or when entering the value 009 ADF Free Run Performs a DF free run 0 No 1 Yes For details about free runs 5 1 7 After selecting 1 press OK or C twice to start the run Press C to stop 910 ADF Printer Free Run Performs a free run of the DF and printer 0 No 1 Yes For details about free runs 5 1 7 After selecting 1 press OK or C twice to start the run Press to stop 5 18 24 July 2001 USING SERVICE PROGRAM MODE SP7 XXX Data Log 7 Mode Number Name Function Setting 002 Total Original Counter 1 Modes Displays the total number of scanned originals total 2 Copy Displays total number of scanned originals copy mode only 3 Fax Displays total number of scanned originals fax mode only 003 Total Print Counter 1 Modes Displays the total number of prints total 2 Copy Displays the total number of prints copier mode 3 Fax Displays the total number of prints fax mode 4 Printer Displays the total number of prints printer mode 101 Copy Counter Paper Size 1 4 Displays the total number
82. carry two different program versions on a single card and selectively download either one of these If you wish to carry two different programs on the same card write one of these programs into card address space 000000h to 1FFFFFh and write the other one into address space 200000h to 3FFFFFh Program Download SP5 827 This SP is effective only if you boot the machine from the flash memory card as described below If the download is unsuccessful or if you decide that you not wish to start the download please turn the machine off and back on before resuming normal operation NOTE Be sure to turn off the main switch before inserting or removing the flash memory card Installing or removing a card while the main switch is on may damage the FCU 1 Turn off the main switch 2 Insert the flash memory card A into the card slot with the card s B side facing the rear of the machine B046M012 WMF 5 29 USING SERVICE PROGRAM MODE 24 July 2001 3 Hold down the Operation Switch and turn on the main switch NOTE If the card does not contain a valid program the machine will not start The machine boots from the card automatically enters SP5 827 and displays the following Program Download 1 1st 2 2nd 0 B046M004 WMF If you wish to load the program stored in first half of the card in card space 0000001 to 1FFFFFh enter 1 If you wish to load the program stored in second half of the card space 20000
83. ch EU only call System switch 01 bit 0 Country code NCU parameter 00 Service station s fax number o 8 See Section 5 1 1 of the fax service manual for information about using service functions 24 July 2001 COPIER Items to Program Service Level SP Mode SP No Machine s serial number 5 811 Language replacement Firmware download 5 827 PSTN access code RAM address 4000DB om 7 955 2 S n E PSTN access method RAM address 4000CD Periodic service call RAM addresses 40054F to 400553 4 See Section 5 for SP mode usage instructions Items to Program User Administrator Level Fax Features gt Setup 2201 Country Code except NA Fusing power control during energy saver mode System Settings Language selection Language Other initial programming items 5 Refer to the Operating Instructions for details PAPER TRAY UNIT 24 July 2001 1 3 PAPER TRAY UNIT 1 3 1 ACCESSORY CHECK Confirm that you have the accessories indicated below No Description Q ty 1 Paper size decals 1 sheet 2 Installation Procedure for service person 1 3 Installation Procedure for user 1 1 3 2 INSTALLATION PROCEDURE NCAUTION Unplug the main machine s power cord before starting the following procedure 1 Remove the tape at A and the tape and cardboard at B 2 Pull the paper tray part way out of the unit
84. correct adjust as necessary 3 13 3 1 20 24 July 2001 DIMM 1 6 DIMM 1 6 1 INSTALLATION PROCEDURE 2 2 n E NCAUTION Unplug the main machine s power cord before starting the following procedure 1 Remove the rear cover A amp x 5 B0461508 WMF 2 Remove the FCU cover plate B 7 screws on faxless machines 8 screws on fax equipped machines NOTE On fax equipped machines detach the NCU connector C first Faxless machines Fax equipped machines B0461509 WMF B0461510 WMF 1 21 DIMM 24 July 2001 3 Insert the DIMM A at an angle into slot CN2 on the FCU Press the free end of the DIMM toward the FCU so that the DIMM snaps into place parallel to the FCU Reinstall the FCU cover plate and the rear cover 0461105 1 22 24 July 2001 PM TABLES 2 PREVENTIVE MAINTENANCE SCHEDULES 2 1 PM TABLES NOTE 1 After carrying out PM clear the PM counter SP7 804 2 PM intervals 45k 90k indicate the number of prints Key AN As necessary C Clean R Replace Inspect 2t Sg oc 5 gt Z OPTICS Reflector 1st mirror 2nd mirror 3rd mirror Platen cover Exposure glass Toner shield glass Optics cloth Optics cloth Optics cloth Optics cloth Dry cloth Dry cloth Dry cloth DRUM AREA PCU T
85. cover E 2 x 2 4 LD unit F x 2 NOTE The LD drive board itself is not adjustable and is not a replaceable part You must replace the entire bracket 3 11 5 POLYGON MIRROR MOTOR 1 Laser unit er 3 11 3 BO46R102 WMF 2 Remove the harness C in figure above from the clamp D 3 Laser unit cover E x 2 Polygon mirror motor G x 4 OTHER REPLACEMENTS 24 July 2001 3 12 OTHER REPLACEMENTS 3 12 1 QUENCHING LAMP 1 PCU er 3 1 3 2 Quenching lamp A x 1 B046R928 WMF Ee 25 os on 55 og 3 12 2 HIGH VOLTAGE POWER SUPPLY BOARD 1 Rear cover 3 3 2 2 High voltage power supply board A amp x 4 all connectors B046R936 WMF 3 12 3 PSU 1 Copy tray 2 PSU A x 6 all connectors B046R935 W MF 3 30 24 July 2001 OTHER REPLACEMENTS 3 12 4 MAIN MOTOR 1 Rear cover 3 3 2 2 Main motor A x 4 EP x 1 B046R9 Replacement Adjustment 3 12 5 EXHAUST FAN 1 Rear cover 3 3 2 2 Exhaust fan A x 2 EB x 1 B046R918 WMF 3 31 COPY IMAGE ADJUSTMENTS PRINTING SCANNING 24 July 2001 3 13 COPY IMAGE ADJUSTMENTS PRINTING SCANNING NOTE 1 You need to perform these adjustment after executing a Memory All Clear and after replacing or adjusting any of the following parts e First or second scanner e Lens Block Scanner Motor e
86. ction A and the pressure roller section B x 2 NOTE After removing the screws lower the pressure roller section about halfway and then slide it toward the front side to detach it Hot roller stripper pawls C 1 spring for each pawl NOTE 1 To remove the right pawl first remove the plastic spacer at D 2 1 2 When reinstalling the center pawl be sure to set roller E back into place 24 July 2001 FUSING 3 5 4 HOT ROLLER amp FUSING LAMP 1 2 Hot roller stripper pawls er 3 5 3 Hot roller assembly A 2 x 2 NOTE 1 Each of the screws has a washer 2 After removing the screws lift the hot roller assembly out from the rear side Fusing lamp B B046R505 WMF Replacement Adjustment Hot roller C 2 C rings 1 spacer 1 gear 2 bushings Ay ae C B046R509 WMF 3 5 5 THERMOFUSE THERMOSWITCH AND THERMISTOR 1 Remove the hot roller assembly from the hot roller section 3 5 3 Thermofuse A x 2 Thermoswitch B 2 x 2 NOTE You must remove the thermofuse first Thermistor C x 1 B046R506 WMF FUSING 24 July 2001 3 5 6 PRESSURE ROLLER 1 Fusing unit er 3 5 1 2 Separate the fusing unit into two sections the hot roller section and the pressure roller section er 3 5 3 Step 2 Carry out the remaining steps on the pressure roller section 3 Fusing entrance guide A Replacement Adjustment 4
87. damage to the hot roller stripper pawls and their tension springs Do not touch the fusing lamp and rollers with bare hands Make sure that the fusing lamp is positioned correctly and that it does not touch the inner surface of the hot roller 3 1 8 PAPER FEED 1 2 Do not touch the surface of paper feed rollers To avoid misfeeds the side and end fences in each paper tray must be positioned correctly so as to align with loaded paper size 3 2 24 July 2001 SPECIAL TOOLS AND LUBRICANTS 3 1 9 IMPORTANT 1 The machine will automatically start toner agitation when you install a new PCU Be sure to wait for initialization to finish before reopening the front cover or turning off the main switch 2 optional anti condensation heater for the optional paper tray unit is installed keep the copier s power cord plugged in even while the main switch is off so that the heater remains energized 3 2 SPECIAL TOOLS AND LUBRICANTS S Part Number Description Common with as A1849501 Optics Adjustment Tools 2 pcs set 1 set Skylark a lt A2929500 Test Chart 555 10 pcs set 1 set Mojito 0299387 Digital Multimeter Fluke 87 1 Russian C Stinger C N8036701 Flash Memory Card 4MB N8031000 Case for Flash Memory Card A2579300 Grease Barrierta S552R 52039501 Silicone Grease G 501 G0219350 Loopback connector Russian C Stinger C Russian C Stinger C Russian C Stinger C R
88. dard white density 3 35 COPY IMAGE ADJUSTMENTS PRINTING SCANNING 24 July 2001 3 13 3 DF IMAGE ADJUSTMENT Registration and Blank Margin A mi 17 A Leading edge registration B Side to side registration B046R556 WMF B046R559 WMF Ee 25 os on 55 og NOTE Make a temporary test chart as shown above using 4 81 2 x11 paper 1 Place the temporary test chart on the DF and make a copy from one of the feed stations 2 Check the registrations and adjust as necessary using SP mode as follows SP mode Side to side registration SP6 006 1 Leading edge registration SP6 006 2 Blank margin for the trailing edge SP6 006 3 Sub scan Magnification 17 A Sub scan magnification B046R558 WMF NOTE Make a temporary test chart as shown above using A4 81 2 x11 paper 1 Place the temporary test chart on the DF and make a copy from one of the feed stations 2 Check the registration and if necessary adjust it using SP6 007 specification is 1 0 3 36 24 July 2001 SERVICE CALL CONDITIONS 4 TROUBLESHOOTING 4 1 SERVICE CALL CONDITIONS 4 1 1 SUMMARY There are two service call levels as follows Definition Reset Procedure To prevent possible damage to the Enter SP 5 810 SC code reset and machine level A service calls can be select 1 Then simultaneously press cleared only by a service representative the Original Type key and the OK or Th
89. ding production name by holding down the Darker key If the production name is too long to fit on the screen you can view the rest of the name by holding down both the Darker and Lighter keys To exit press or the Cancel key 908 C1a C1b Select 1 Selects whether the machine identifies itself as a C1a B045 B059 or C1b B044 B046 when reporting to firmware 0 no setting 1 C1a 2 C1b You can visually identify the machine is C1a or C1b by its bypass C1a machines have 1 sheet bypass C1b machines have 100 sheet bypass e If the setting is 0 the machine automatically checks its own bypass type to determine how to report itself 5 16 24 July 2001 USING SERVICE PROGRAM MODE Mode Number Name Function Setting 912 PCU Alarm 1 Alarm Display On Off Selects whether or not the machine will display a Replace PCU warning when the PCU alarm counter reaches the interval set by SP912 2 10 z Display 1 Do not display Interval Sets the PCU Alarm interval count at which a Replace PCU warning occurs 1 255 45 1000 sheets step 913 UP Mode Data Reset Resets the user tools settings with the exception of the copy user codes and copy user code counters 0 No 1 Yes This operation is equivalent to executing a System Reset with the User Tools After selecting 1 hold down the Original Type key press the OK key or
90. e developer when a replacement PCU is installed there is no need to carry out this SP when replacing the PCU e If the machine has not been used for a long period of time prints may have a dirty background In this case use this SP to mix the developer 5 5 USING SERVICE PROGRAM MODE 24 July 2001 Mode Number Name Function Setting TD Sensor Value Display 1 Displays 8 Current TD sensor output value Vt b Target TD output value Vts corrected by ID sensor output The TD sensor output value changes every copy gt b toner is supplied to the development unit e Press to exit the display ID Sensor Display 1 Displays Vsg Vsp Vsdp Vt and the ID sensor s PWM output Use these values to check the operational status of the ID sensor 0 No 1 Yes This machine has no SC code for ID sensor errors If imaging problems occur such as dirty background use this SP to determine whether the problem is with toner density control You can use SP7 911 to check the number of ID sensor errors that have occurred e ar 5 1 11 Transfer Current 1 Normal paper Adjusts the current applied to the transfer roller when feeding from a paper tray 0 2 nA 120 2 2 32 4 uA Use a high setting if the user normally feeds relatively thick paper within spec 6 14 2 Image Transfer Current Timing Thick Thin paper Adjusts the curre
91. e machine will not operate until the 69 key There is no need to turn the representative clears the call main switch off and on These SCs can be cleared by turning Turn the main power switch off and on the main power switch off and on NOTE 1 f a problem involves circuit boards Before deciding to replace a circuit board first see if you can solve the problem by disconnecting and then reconnecting all connectors 2 If a problem involves a motor lock Check the mechanical load first before deciding whether to replace motors or sensors 3 If working on a fax equipped machine keep in mind that switching power off and back on may in some cases cause loss of data stored in SAF memory 7 4 1 SERVICE CALL CONDITIONS 4 1 2 SC CODE DESCRIPTIONS Symptom 24 July 2001 Possible Cause Exposure Lamp Error Insufficient white level detected when scanning the white plate Exposure lamp defective SBU harness defective Bad connection Defect in optics system dirty scanner mirror mirror out of position etc Lamp stabilizer board or connector defective Incorrect start position or length for white plate scanning SP4 015 Scanner HP sensor out of position Scanner home position error 1 Scanner home position sensor did not detect OFF condition during initialization or copying Forgot to remove one or more of the scanner stoppers e Scanner
92. e only non impulse Not above 62 dB A Operating Full System Not above 66 dB A Sound Pressure Level Standby Mainframe Full system Not above 27 dB A Operating Mainframe only non impulse Not above 54 dB A Operating Full System Not above 54 dB A Dimensions W x D x H Without ADF 468 x 450 x 371 mm 18 4 x 17 7 x 14 6 With ADF 468 x 450 x 461 mm 18 4 x 17 7 x 18 2 Weight Mainframe Not above 20 kg 44 1 Ib With ADF Not above 22 kg 48 5 10 SPEC 2 24 July 2001 SPECIFICATIONS Resolution 600 Copying Speed in Multicopy Mode copies minute B044 B046 13 B045 B049 12 NOTE Measurement Conditions 1 A4 8172 x 11 2 100 size Warm up Time Less than 20 seconds at 20 C 68 F First Copy Time Not more than 8 seconds NOTE Measurement Conditions 1 From the ready state with the polygonal mirror motor spinning 2 A4 LT copying 3 From copier s paper tray 4 100 size Copy Number Input Numeric keypad 1 to 99 increment decrement Manual Image Density 5 steps Automatic Reset Default is 60 seconds Can be set from 10 to 999 seconds with user tools Auto Off Default is 30 minutes Can be disabled or set from 1 to 240 minutes with user tools SPEC 3 SPECIFICATIONS Copy Paper Capacity Copy Tray Capacity Toner Replenishment B045 B049 B044 B046 Toner Yield 045 049 044 046 Optional Equipme
93. ed 2 dots blank printed every other line 51 VPM DFU 52 Horiz line VPM DFU Grayscale 4 x 4 dot Horizontal 53 Diagonal line VPM DFU line of repeating 4 dots printed 4 54 Grayscale VPM DFU dots blank printed every 4th line 5 23 USING SERVICE PROGRAM MODE 24 July 2001 5 1 3 INPUT CHECK SP5 803 Input Check Code B046M005 WMF Access SP5 803 2 Select the number that will access the switch or sensor you wish to check see the table below 3 Check the status of the sensor or switch If you wish to check the signal during a copy cycle select the required copy mode then press 9 5 The LCD panel will display 0OH or 01H as shown below Input Check Code B046M010 WMF The following table shows the meaning of the value displayed for each switch and sensor Input Check Table Reading Description 00H Platen cover sensor Platen cover closed Door open Mechanical counter sensing Counter not installed Counter installed 35 end sensor standard Paper not detected Paper detected 44 Paper end sensor optional No paper Paper detected paper tray unit Bypass paper end sensor 88 100 sheet bypass No paper Paper detected 01H Paper detected Paper detected At home Platen cover open 5 24 24 July 2001 USING SERVICE PROGRAM MODE 5 1
94. ee 3 36 Registration and Blank 3 36 SubesseaniMagrnil catlof 62 261 fette etos ette eto 3 36 4 THOUBLESHOOTINQG 2 nr ences 4 1 4 1 SERVICE CALL CONDITIONS rnnt n tnr 4 1 4 1 4 1 2 SC CODE DESCRIPTIONS oor 4 2 4 2 ELECTRICAL COMPONENT DEFECTS HH 4 7 4 2 1 SENSOR SWITCH OPEN 4 7 4 3 BLOWN FUSE CONDITIONS Henn 4 7 4 4 DUMPING THE FUSER TEMPERATURE 106 4 8 S SER VICE TABLES ieu ceto Shana eroe ura s 5 1 5 1 USING SERVICE PROGRAM MODE see 5 1 Accessing SPs MONG Ride imi bien pieni rui 5 1 Accessing Copy Mode from within SP Mode 5 1 How to Select a Program 5 2 To Input 5 2 5T SE MODE TABLES 5 3 SPI XAXA Feed es 5 3 SP2 XXX DIUM 8253 a aee o aqu roa Dip D dide EA 5 4 eese 5 9 2 NOUS eet 5 14 SP6 XXX Peripherals 5 18 Dalal a rc oe 5 19 5 1 2 TEST PATTERN PRINTING SP5
95. ensor correction has been disabled with SP2 927 In all other cases Vref is used as the reference Toner Density Sensor Initial Setting The Vts for this machine is 1 25 V During TD sensor initialization after installation of new PCU the machine adjusts the sensor so that it reads out 1 25V 6 36 24 July 2001 DEVELOPMENT Toner Concentration Measurement The machines checks concentration every copy cycle by comparing Vt against the reference voltage Vsp Vsg Detection An ID sensor pattern is made on the drum by the charge roller and laser diode The ID sensor detects the pattern density Vsp and the density of the bare drum Vsg Detection is carried out at the same time as and immediately before charge roller voltage detection 6 11 2 NOTE Use of ID sensor control can be disabled with SP2 927 Calculation of Vref Vref is calculated based on ID sensor output Vsp Vsg Existing reference voltage Vref or Vts Vt Toner Supply Determination The machine supplies toner if Vt exceeds the reference voltage NOTE Current Vt and reference voltage values can be viewed using SP2 220 Other ID sensor values can be viewed using SP2 221 Toner Clutch ON Time Calculation is based on e Vt Reference voltage RV Vref or Vts S TD sensor s sensitivity coefficient 7 25 Xs S 2g 5 Decision Motor On Time seconds RV Vt x RV 5 16 t RV 5 16 lt Vt x RV 5 8 1 5
96. f position etc Defective stabilizer board or connector Incorrect start position or length for white plate scanning e 5 4 015 Scanner HP sensor out of position Charge roller current leak Current leak at the charge Charge roller damaged roller was detected High voltage supply board defective Poor connection of the PCU Did not detect lock signal from Polygon mirror motor or harness polygon mirror motor within 10 defective seconds after motor ON signal FCU defective or lost lock signal for continuous 1 5 seconds after signal was detected Trouble shooting Laser synchronization error Detected LD error signal for e Synchronization detection mirror continuous 1 5 seconds while defective polygon mirror motor was e LD unit defective running at constant speed e FCU defective LD harness damaged e THM not in place TD sensor error The TD sensor output less TD sensor defective than 0 33 V or greater than e Bad connection 2 64 V ten times in succession Development bias leak Development bias leak signal Development roller defective was detected e High voltage supply board defective Developer initialization error Error reading ID sensor pattern e Forgot to remove heat seal from during developer initialization replacement PCU e ID sensor defective TD sensor defective Drum is not turning Development roller is not turning Right door not closed firmly
97. f the SPC2 SAF Backup Backs up DRAM for up to 12 hours if power outage occurs while SAF data is being held Included only on 046 049 Analog Processing Circuit Implements modem filtering 2 4 line switching and RITONE switching Included only on B046 B049 Modem Implements a V34 modem and code Includes a 24 6MHz modem clock Included only on B046 B049 Speaker Driver Drives the speaker for the buzzer and monitor sounds Included only on B046 B049 Heater Control Processes signals from the thermistor controlling the fusing heater Video Processing Circuit Interface with the SBU Power Pack Control Interface with the high voltage power supply unit Implements PWM control and receives feedback Scanner Driver Drives the scanner and ADF motors and xenon lamp interfaces with the HP sensor and the ADF Plotter Driver Drives the main and polygon motors the feed bypass registration and toner supply clutches the quenching lamp and the fan e Interfaces with the exit paper end registration ID and TD sensors 6 10 24 July 2001 MAIN PCBS 6 5 2 SBU SENSOR BOARD UNIT SBU Filter Amplifier Analog Signal B046D554 WMF The SBU receives analog signals from the CCD and converts these into digital signals used for image processing Buffer Used for driving the CCD Includes a 3V 5V converter converts the VPL s 3V drive signal to 5V
98. f the transfer roller with bare hands 2 careful not to scratch the transfer roller as the surface is easily damaged 3 1 PRECAUTIONS 24 July 2001 3 1 5 SCANNER UNIT 1 3 1 6 LASER UNIT 1 2 Use alcohol or glass cleaner to clean the exposure and scanning glass This will reduce the static charge on the glass Use a blower brush or a water moistened cotton pad to clean the mirrors and lenses Take care not to bend or crease the exposure lamp s ribbon cable Do not disassemble the lens unit Doing so will throw the lens and copy image out of focus Do not turn any of the CCD positioning screws Doing so will throw the CCD out of position o 5 5 o oa Do not loosen or adjust the screws securing the LD drive board on the LD unit Doing so will throw the LD unit out of adjustment Do not adjust the variable resistors on the LD unit as these are permanently adjusted at the factory If replacement of the LD drive board is necessary replace the entire LD unit Keep the polygon mirror and toroidal lens free of dust Laser performance is very sensitive to dust on these components Do not touch the shield glass the lenses or the surface of the polygon mirror with bare hands 3 1 7 FUSING UNIT 1 After installing the fusing thermistor make sure that it is in contact with the hot roller and that the roller can rotate freely Be careful to avoid
99. flat cable NOTE 1 Do not loosen the paint locked screws holding the lens unit in place 2 After installing a new lens block carry out copy adjustments er 3 13 e ad ai S575 48 22 B046R003 WMF 3 4 3 EXPOSURE LAMP LAMP STABILIZER BOARD 1 Exposure glass r 3 4 1 B 2 Operation panel 3 3 7 3 Slide the 1st scanner to a position where the lamp and scanner are clear A of the metal lids 4 Disconnect the lamp connector A 5 Remove either or both of the following e Exposure lamp B 1 screw at C Lamp stabilizer board D 2 screws at E 1 flat cable B046R001 WMF Ee 25 os on 55 og 24 July 2001 SCANNER SECTION 3 4 4 SCANNER MOTOR 1 Right cover 3 3 6 2 Scanner motor A x 4 1 spring x 1 NOTE When reinstalling Fasten the screws loosely then set the spring in place then tighten up the screws B046R923 WMF Ee 25 5E os on 55 og x 3 4 5 SCANNER HP SENSOR 1 Left cover er 3 3 6 2 If non DF machine Scale plate 3 3 4 If DF equipped machine Press on the DF latch and open the DF Scanner HP sensor A x 1 A B046R020 WMF SCANNER SECTION 24 July 2001 3 4 6 SCANNER ALIGNMENT ADJUSTMENT 1 Remove the rear cover 3 3 2 operation panel er 3 3 7 and exposure glass er 3 4 1 2 Loosen the 2 screws holding the 1st and 2nd scanner belt
100. h memory card A into the card slot with the card s B side facing the rear of the machine See illustration on preceding page Turn on the main switch Access SP 5 825 Enter 1 at the keypad and then press OK E mc The machine executes the download This operation takes about 2 seconds On successful completion the screen displays Loading completed NOTE If uploading fails the Loading error message appears If this occurs try repeating the procedure 7 Turn off the main switch then remove the memory card 5 1 10 SERIAL NUMBER INPUT SP5 811 Use this SP to input the machine s 11 digit serial number This is normally done at the factory Each key of the numeric keypad controls a different digit of the serial number the first key controls the first digit the second key controls the second digit and so on The C9 key is not used Press each key as many time as necessary to set the corresponding digit To set the second digit to X for example press the 2 key as many times as necessary to bring up X on the Screen Note that the first four digits of the serial number may be either letters or numbers Digits 5 to 11 are always numbers Ou istdigit 2nd digit 3rd digit 2 wer 4th digit 5th digit 6th digit O 7th digit 8th digit 9th digit 10th digit 11th digit Not used 5 33 USING SERVICE PROGRAM MODE 24 July 2001 5 1 11 ID SENSOR ERROR ANA
101. he key to select or when entering the value 5 2 24 July 2001 USING SERVICE PROGRAM MODE 5 1 1 SP MODE TABLES NOTE 1 An asterisk after the SP number means that this SP s value is stored in the SRAM If you do a RAM reset all these SP settings will be returned to their factory defaults 2 In the Function Setting column Comments are italics setting range is enclosed in brackets with the default setting written in bold e DFU stands for Design Factory Use only Values marked DFU should not be changed AJ means that you should refer to Section 3 13 Replacement and Adjustment Copy Image Adjustments for more information IP means that you should refer to Section 6 7 Detailed Descriptions Image Processing SP1 XXX Feed 1 Mode Number Name Function Setting 001 Leading Edge Registration 1 Paper tray copy fax Adjusts the plotter leading edge registration from each 2 Bypass copy fax paper feed station Use the Trimming Area Pattern SP5 4 Paper tray optional 902 No 10 to make the adjustment printer 9 0 9 0 0 0 0 1 mm step IAJ 5 Bypass optional Specification 0 2 mm printer Use the key to select or when entering the value 002 Side to Side Registration 1 1st tray Adjusts the printing side to side registration from each 2 2nd tray paper feed station Use Trimming A
102. ion Charge Voltage 1650 V 1400 V On Laser Diode M m Drum Potential 900 V Development Bias pm 600 V Mp 400 V 140 ID Sensor Output pe Vsg 2 64 V 772777 Vsdp 2 44 V i emer cuu l Vsp 0 35 V t B046D552 WMF Efficiency of voltage transfer from the charge roller to the drum decreases as 25 Ls S 59 5 m ambient temperature and humidity rise Accordingly the charge roller voltage must be made more negative at higher temperature and humidity When Correction is Made e At initial warm up following power on by main switch During warm up on exit from low power or auto off mode if that mode has been in effect for at least 4 hours NOTE Correction can be disabled with SP2 927 6 29 DRUM CHARGE 24 July 2001 How Correction is Made Immediately after creating the ID sensor pattern A used for toner density control er 6 12 4 the machine generates another pattern B for charge voltage correction by intensifying the development bias er 6 12 2 to 600 V The laser remains off but a small amount of toner moves to the drum because of the slight charge difference between the drum and development roller The ID measures the pattern s density Vsdp and the bare drum voltage Vsg the FCU compares the difference and adjusts the roller voltage accordingly f Vsdp Vsg gt 0 95 Change charge roller voltage by
103. ithium battery s on the FCU may pose risk of explosion Replace only with the same type or with an equivalent type recommended by the manufacturer Discard used batteries in accordance with the manufacturer s instructions SAFE AND ECOLOGICAL DISPOSAL Do not incinerate toner bottles or used toner Toner dust may ignite suddenly if exposed to an open flame Dispose of used toner developer and organic photoconductors in accordance with local regulations These are nontoxic supplies Dispose of replaced parts in accordance with local regulations LASER SAFETY The Center for Devices and Radiological Health CDRH prohibits the repair of laser based optical units in the field The optical housing unit can only be repaired in a factory or at a location with the requisite equipment The laser subsystem is replaceable in the field by a qualified Customer Engineer The laser chassis is not repairable in the field Customer engineers are therefore directed to return all chassis and laser subsystems to the factory or service depot when replacement of the optical subsystem is required Z WARNING Use of controls not specified in this manual or performance of adjustments or procedures not specified in this manual may result in hazardous radiation exposure NWARNING FOR LASER UNIT WARNING Turn off the main switch before attempting any of the procedures in the Laser Unit section Laser beams can cause serious damage to eyes CAUTION
104. justed to within the specification then adjust the leading edge blank margin or the left side blank margin 1 Checkthe trailing edge and right side edge blank margins and adjust them using the following SP modes SP mode Specification Trailing edge except for 1 sheet bypass SP2 101 4 2 Trailing edge for 1 sheet bypass SP2 101 12 5 3 mm Right edge SP2 101 6 2 2 5 1 5 mm Leading edge except for 1 sheet bypass SP2 101 1 3 2 Leading edge for 1 sheet bypass SP2 101 11 5 3 Left edge Main Scan Magnification SP2 101 5 2 1 5 mm A Trailing Edge Blank Margin B Right Edge Blank Margin C Leading Edge Blank Margin D Left Edge Blank Margin Print the single dot grid pattern SP5 902 5 Check the magnification the grid size should be 2 7 x 2 7 mm and if Ee 25 on 55 og B046R553 WMF necessary use 5 2 998 to adjust it The specification is 100 1 in both directions 3 33 COPY IMAGE ADJUSTMENTS PRINTING SCANNING 24 July 2001 3 13 2 SCANNING NOTE 1 Before doing the following scanner adjustments check and adjust the printing leading edge and side to side registrations and the printing blank margins as described above 2 Use an A4 test chart to perform the following adjustments Registration Platen Mode 1 Place the test chart on the exposure glass and make a copy from
105. le the VPM Video Processing Module The VPM includes interface components not shown that interface these submodules to the VRAM processing memory The VPC Video Path Control circuit controls which signal is sent to the LIF e Abbreviations SBU Sensor Board Unit LIF 2 Laser Interface VPU Video Processing Unit IPU Image Processing Unit 6 17 IMAGE PROCESSING 24 July 2001 6 8 2 IMAGE PROCESSING PATH The diagram below shows the image processing steps The steps that are actually carried depend on the selected original processing modes r 6 8 3 and adjustments made with the relevant SPs er 6 8 5 SBU Black Level Correction Shading Line Correction Peak Tracking amp Correction v Gamma Correction v Main Scan Reduction 4 Sub Scan Reduction Side to side registration mirroring white dot replace VPU Main Scan Magnify v Filtering MTF smoothing line width correction etc dx 2nd Gamma Correction Binarize ONES NE y l Picture Text Independent i Error Dot Corr Separation J Diffusion y Dithering Binary OR I processing y Serial Parallel Conversion Y VPC Video Path Control Optional Printer Controller v Edge Correction y Distortion y Printer gamma correction
106. n when starting at least 25 C e PSU defective 227 e Bad connection between fuser and machine Fusing overheat error Detected fusing temperature e Fusing thermistor defective remained above 230 for 1 e PSU defective second 4 4 Fusing low temperature error Detected fusing temperature Fusing thermistor defective remained abnormally low for 1 e PSU defective second during fusing operation Bad connection between fuser and below 140 C or during stand machine by mode er 4 4 4 4 24 July 2001 SERVICE CALL CONDITIONS Error Symptom Possible Cause 9 22 Unstable fusing temperature Detected that fusing e Fusing thermistor defective temperature changed more e PSU defective than 25 C second two e Bad connection between fuser and seconds in succession machine wr 4 4 Zero cross detection error Detection error detection e PSU defective overflow or busy occurred 8 e FCU defective times in succession at 20 ms intervals while 24V power was on er 4 4 During paper transport fusing e TRIAC short temperature moved above limit Fan not running 2009 for plain paper 210 C for thick paper and remained above limit for 10 seconds 4 4 During paper transport fusing e Fusing thermistor defective temperature fell below lower e PSU defective limit 155 C and remained below limit for 6 seconds wr 4 4 Standby temperature error 1
107. n original mode that does not support that customization the entry will have no meaning 6 22 24 July 2001 IMAGE PROCESSING Default plotter customization settings for each mode The following table shows the default plotter customization settings for each original mode For information about adjustments refer to the SP explanations in Section 5 Both Distortion prevention edge correction For copy mode patterns SP4 964 adjustments operate as follows SP4 964 setting Applied enhancement 2 None 1 None 0 None 1 Level 1 2 Level 2 printer and fax patterns SP4 964 adjustments operate as follows SP4 964 setting Applied enhancement 2 None 1 Level 1 0 Level 2 1 Level 3 2 Level 4 6 23 Marking Plotter Image poo 2 Customization Mode Density 9 Save Smoothing Density Dot Correctio Level Setting Enhance Adjust with 5 4 961 5 4 962 5 4 963 5 4 964 5 4 965 5 4 966 Image Mode Defaults No 2 Text Normal Correction OFF Normal None Mask 1 OFF Text Sharp FCI OFF Both None Mask 1 OFF Photo No Normal None Mask 2 OFF Priority Correction gt 2 8 Text Photo Correction OFF Normal None Mask 2 OFF No 2 Colored Text C trection OFF Normal None Mask 1 OFF 1 2 Pixel Photo Garection OFF Normal None Mask 2 OFF Preserved None Mask 1 OFF Background Correction Text FCI
108. nsumption by lowering the fusing temperature As shown below the machine can be set to transition to two different reduced power states in the following order 1 Low power mode 2 Auto off mode Machine idle for time x where x lt y Energy Saver Timer x Default 15 min Wake up action See 6 16 5 Machine idle for time y x Machine idle for time y where y x where y x v Auto Off Timer y Default 30 min Wake up action See 6 16 5 B046D574 WMF Above if the Energy Saver Timer setting is x and the Auto Off Timer setting is y then the following operation applies e lfx y The machine moves into selected low power mode if all sensors and components remain inactive for time x then moves into auto off mode if all sensors and components continue inactive for time y x e lfx2y The machine skips low power mode and moves directly into auto off mode if all sensors and components remain inactive for time y Note that during countdown to x or y the machine may automatically switch into the preferred application mode copier fax in accordance with the User Tool s Function Priority and System Reset settings This has no effect on the power mode transition timing 6 50 24 July 2001 ENERGY SAVER MODES 6 17 2 SYSTEM SETTINGS The user sets up energy saving operation using the following User Tool settings User Tool System Setting Operation
109. nt Memory Capacity 24 July 2001 Paper Tray 250 sheets Optional Paper Tray Unit 044 046 500 sheets x 1 Bypass Tray 100 sheets B044 B046 1 sheet B045 B049 250 sheets THM Toner Hopper Magazine replacement 260 g magazine Cartridge replacement 230 g cartridge 7k copies THM A4 6 full black 7k copies toner bottle A4 696 full black e Auto document feeder Paper tray unit available for B044 B046 only e Anti condensation heater for paper tray unit 8MB standard 32MB DIMM as option SPEC 4 24 July 2001 2 MACHINE CONFIGURATION SPECIFICATIONS B0461116 WMF Version Item Machine Code Letter Copier Copier 100 sheet bypass no fax no ADF 044 Copier 1 sheet bypass fax ADF B045 B Copier 100 sheet bypass fax ADF B046 B Copier 1 sheet bypass fax ADF B049 B ADF option for 044 045 B444 A Paper Tray Unit option for 044 046 B421 C 32MB Memory option G578 Anti condensation heater for Paper Tray Unit 421 Fax Unit Fax Controller option for 044 045 B465 Handset option 433 D Printer Printer Controller option B441 NIB option B430 32MB Memory option G578 64MB Memory option G579 128MB Memory option G580 PS2 option B431 SPEC 5 SPECIFICATIONS 24 July 2001 3 OPTIONAL EQUIPMENT ADF Original Size
110. nt applied to the transfer roller when feeding from the bypass tray 0 2 C2 uA 1 0 2 2 nA 3 4 uA Use a high setting a if the user normally feeds relatively thick paper or b if waste toner is re attracted from the drum which can occur when using transparencies e 6 14 2 Image Transfer Current Timing Cleaning Adjusts the current applied to the transfer roller for roller cleaning 10 0 4 1 nu A step Increase the current if toner remains on the roller after cleaning Remaining toner may cause dirty background on the rear side e ar 6 14 2 Image Transfer Current Timing Manual Temporary DFU 5 6 24 July 2001 USING SERVICE PROGRAM MODE Mode Number Name Function Setting Tailing Correction 1 Shift value When printing multiple copies the machine will shift the image writing position by the specified amount after every n copies where n is given by SP2 906 2 0 0 1 0 0 0 0 1 mm step When making many copies of an original that contains vertical lines such as in tables the paper may not separate correctly This can cause tailing images ghosts of the vertical lines continuing past the bottom of the table This SP corrects the problem by shifting the paper after every specified number of copies Interval Changes the interval for the image shift specified by SP2 906 1 1 10 1 1 page step If the setting is n the machine executes
111. nual and carry OUt steps 4 to 8 of the installation procedure fax service manual section 1 2 2 B0461515 WMF 16 Plug in the machine and turn on the main switch 17 Enter SP mode and run SP7 825 to initialize the electrical total counter to 0 NOTE 1 After selecting SP7 825 enter 1 and then hold down the Original Type key and press the OK key to initialize the counter If initialization is successful the screen displays Action completed 2 SP7 825 is effective only once at time of machine installation COPIER 24 July 2001 18 Models B046 and B049 only Access SP5 992 and select 2 to print out a full SNC report Confirm that the report shows a YES for SP7 801 3 19 Models B046 and B049 only Press the On Hook key on the fax operation panel and confirm that you hear a dial tone coming from the monitor speaker 20 Program the required items as indicated below Initial Programming Faxless models B044 B045 Items to Program Service Level SP Mode SPNo Date and time 5 302 Language replacement Firmware download 5 827 1 See Section 5 for SP mode usage instructions User Tools gt Energy saver level low power mode System Settings 2 Refer to the Operating Instructions for details Initial Programming Fax equipped models 046 049 Items to Program Service Level Service Functions Function No Country code System switch OF Protocol requirements swit
112. o input number values 1 to 9 and Original Type numeric keys 1 to 6 to input number values A to F After entering an address value press OK 09 to set the value The Data field will then display the current content of the entered address The cursor will jump to the Data field To increment or decrement the address use the density keys or Original cursor keys The Data value will change to show the content of the selected address e When the cursor is in the Data field you can enter a new value to be stored into the selected address Press OK or to write the new value into the address The cursor will then return to the Address field f you are in the Data field pressing Cancel will move you to the address field If you are in the address field pressing Cancel will exit this SP To cancel an entry in progress and restore the previous value press To exit the SP press the Clear Modes key 5 35 USER TOOLS Revised 7 August 2001 5 2 USER TOOLS The User Tools are accessed by users and key operators and by sales and service staff User Tools are used to input or change the copier s default settings or to view counter values 5 2 1 HOW TO ENTER AND EXIT USER TOOLS Press the User Tools button then select the User Tools program When you are finished the User Tools program press the User Tools button to exit 5 2 2 USER TOOLS TABLE System Settings Table Function Priority
113. of copies by paper size 2 5 3 LG 4 LT 5 HLT 6 Others 201 Total Scan Counter 1 Displays the total number of scanned originals 204 Copy Counter Paper Tray 1 tst Displays the total number of sheets fed from each paper 2 2nd feed station 3 Bypass 205 Total ADF Counter 1 Displays the total number of originals fed by the DF 401 Total SC Counter 1 Displays the total number of logged SC codes 402 SC Type Counter 1 Displays the total number of each type of logged SC code 501 Total Jam Counter 1 Displays the total number of jams copy paper original 502 Total Paper Jam Counter 1 Displays the total number of copy paper jams 503 Total Original Jam Counter 1 Displays the total number of original jams 504 Jam Counter by Location 1 A jams Displays the total number of copy paper jams by location 2 jams 3 C jams 4 jams 5 1st Tray 6 2nd Tray 7 Bypass 5 19 USING SERVICE PROGRAM MODE 24 July 2001 Mode Number Name Function Setting ROM Versions and Option Connections Note SP7 801 cannot be accessed at the screen This information appears on SMC printouts only Go to SP5 992 and select 2 to print out all data The SP 801 information will appear in the LOG DATA section on the second page of the printout e 5 1 5 Shows software versions and option connection statuses Firmware Version No meaning Fixed at VER 1
114. one of the feed stations 7 2 Check the leading edge registration A and adjust as necessary using SP4 010 53 Specification is 0 2mm 23 B046R557 WMF Magnification AH B A Main scan magnification B Sub scan magnification B046R555 WMF Main Scan Magnification 1 Place the A4 test chart on the exposure glass and make a copy from one of the feed stations 2 Check the magnification ratio If necessary adjust the magnification using the following SP mode SP mode Specification Main Scan Magnification SP4 008 t 1 096 3 34 24 July 2001 COPY IMAGE ADJUSTMENTS PRINTING SCANNING Sub scan Magnification 1 Place the A4 test chart on the exposure glass and make a copy from one of the feed stations 2 Check the magnification ratio If necessary adjust the magnification using the following SP mode SP mode Specification Sub scan magnification SP4 101 1 0 Standard White Density Adjustment This procedure adjusts the standard white density level Carry out this adjustment after doing any of the following 5 After replacing the standard white plate After replacing the FCU lt e After replacing the lens block After performing a memory all clear SP5 801 Procedure 1 Place 10 sheets of new A4 paper on the exposure glass and close the platen cover 2 Access SP4 908 enter 1 and press OK The machine automatically adjusts the stan
115. ounter 0 No 1 Yes After selecting 1 press the Original Type key and the OK key or C key at the same time to execute the reset If the reset is successful the display shows Action completed If the reset fails the display shows Error 911 ID Sensor Error Counter Display 1 Displays the total number of logged ID sensor errors For information about how to analyze these errors see Section 5 1 11 912 ID Sensor Error Counter Reset 1 Resets the ID sensor error counter 0 No 1 Yes After selecting 1 hold down the Original Type key and press the OK key or 29 key to execute the reset If the reset is successful the display shows Action completed If the reset fails the display shows Error 5 21 USING SERVICE PROGRAM MODE 24 July 2001 Mode Number Name Function Setting Memory Read Write Byte Access Lets you read byte values from arbitrary RAM addresses and write values into arbitrary addresses 5 1 12 Memory Read Write Word Access Same as SP7 955 except that access is in 2 byte words DFU This SP is not intended for use on models outside of Japan Always use SP 955 to carry out memory reads and writes 5 22 24 July 2001 USING SERVICE PROGRAM MODE 5 1 2 TEST PATTERN PRINTING SP5 902 1 Enter SP mode and select SP5 902 2 Input the number for the test pattern you wish to print 3 Press to acces
116. propriate outside of Japan The text mode used by the machine is determined by the value of SRAM address 410D48h To change the text mode you must use SP7 955 er 5 1 12 to manually change the value at this address To change to Text Mode 2 Dropout write OAh into this address To change back to Text Mode 1 Sharp write 07h into this address 6 19 7 25 Xs S 2g 5 IMAGE PROCESSING Original Modes Copying 24 July 2001 Original Also Type Mode Called Intended For Text Mode 1 Text Normal Normal text originals Text For newspapers or other originals through Text Mode 2 Text Sharp which text on the rear side is moderately visible For photos and for text photo images that Photo Mode 1 Photo Priority are primarily photographic Photo Mode 2 Text Photo For images with both text and photos Special 1 Colored Text For originals with colored text and lines For photo images with visible dots such as Special 2 Pixel Photos newspaper photos This mode employs dithering Special This mode disables automatic density adjustment It is intended for text originals in Special 3 Preserved cases where the user wishes to retain the Background background For example if embedded white area is causing the copier to eliminate background that the user wishes to retain Original Modes Fax Original Also Type Mode Called Intended For For
117. py quality and carry out any necessary adjustments USING SERVICE PROGRAM MODE 24 July 2001 5 1 7 FREE RUNS SP mode offers a variety of free run operations as indicated below Please keep in mind that prolonged or unnecessary use of free runs can cause machine wear or other problems Select the free run that drives only those parts that you specifically need to check Scanner ADF Plotter Name SP Book ADF Exposure Paper Fusing Remark Motor feed Lamp printout Lamp Fusing Nip Band Factory Check SP1 109 Off Off Off Runs Runs use only 16 4 013 Runs Off Runs Off Off Free Run SP5 802 Runs Off Runs Runs Runs These two free runs Printer Free 18 5 901 Runs Off Runs Runs Runs jare identical ADF Free Run SP6 009 Off Runs Runs Off Off Printer Free Sp6 910 Runs Runs Runs Runs motor comes on briefly to move the scanner to the scanning position 5 28 24 July 2001 USING SERVICE PROGRAM MODE 5 1 8 PROGRAM UPLOAD DOWNLOAD The program firmware for this machine is upgraded using a 4MB flash memory card The machine provides the following two SPs to support program porting and upgrade e SP5 826 Uploads the program from the machine s flash ROM to a flash memory card SP5 827 Downloads the selected program from a flash memory card to the machine s flash ROM Since the program size is only 2MB it is possible to
118. r erasure 2 2 0 1 step IP 930 Binary Data Select Not effective on this machine DFU 931 Uneven Dot Adjustment Selects the bad dot correction method used by the mode selected by SP4 921 10 selected mode s default 1 off 2 1 dot correct 3 2 dot correct 4 3 dot correct 5 4 dot correct DFU Not effective on this machine 5 11 USING SERVICE PROGRAM MODE 24 July 2001 Mode Number Name Function Setting 932 Auto Density Adjustment 2 2 0 1 step DFU Not effective on this machine 933 Blank Page Sensor Level Adj ustment 2 2 0 1 DFU Not effective on this machine 934 Peak Setting Sets adjustment the machine will use when setting white peak prior to start of scanning for the mode selected by 5 4 921 128 127 0 1 step If AE tracking is enabled the applied peak becomes detected peak this setting x approx 40 If AE tracking is disabled the applied peak becomes detected peak this setting 935 AE Tracking Speed Adjusts the white peak tracking speed for the mode selected by SP4 921 2 2 0 1 step Negative settings reduce the speed positive settings increase it 936 Peak Offset Select Sets the peak correction offset for the mode selected by 5 4 921 2 2 0 1 step IP Negative settings produce better reproduction of low contrast originals
119. r removing card while the main switch is on may damage the FCU 2 This operation will erase any data already stored in the flash memory card Turn off the main switch Insert the flash memory card into the card slot with the card s A side facing the front of the machine See illustration on preceding page Turn on the main switch Access SP 5 826 Enter 1 at the keypad and then press OK The machine erases the card and then writes the program into it The ON lamp flashes and the screen counts down the progress Uploading takes about 2 minutes On successful completion the screen displays Loading completed NOTE If uploading fails the Loading error message appears If this occurs try repeating the procedure Turn off the main switch then remove the memory card Program Upload Display during upload 11 2086914 B046M008 WMF A 10 2 erasing card 11 2 writing to card B Amount bytes remaining to be written A B USING SERVICE PROGRAM MODE 24 July 2001 5 1 9 SRAM DATA UPLOAD DOWNLOAD Before installing a new FCU and before executing a memory all clear you should upload all current SRAM data into a flash memory card You can then download the data back after completing the FCU replacement or memory clear SP5 824 Upload from the machine s SRAM to a flash memory card SP5 825 Download from a flash memory card to the machine s SRAM SRAM Data Upload SP5 824
120. ransfer roller Discharge plate On B044 and B046 Also clean toner bottle holder PAPER FEED Paper feed roller Water or alcohol Friction pad Dry cloth Bottom plate pad Water or alcohol Registration roller Water or alcohol FUSING UNIT Hot roller Pressure roller Hot roller bearings Pressure roller bushings Inlet guide Outlet guide Hot roller stripper pawls Thermistor 2 1 HOW CLEAR THE PM COUNTER 24 July 2001 Every 90k AN NOTE DF Separation roller R C Water or alcohol Pick up roller R C Water or alcohol White plate C Water or alcohol DF exposure glass C Water Rollers RO R1 R2 C Water or alcohol Ever isop AN NOTE PAPER TRAY UNIT Paper feed roller R Bottom plate pad C Dry cloth Friction pad R 2 2 HOW TO CLEAR THE PM COUNTER After finishing PM clear the PM counter as follows 1 Access SP mode 7 804 2 Hold down the Original Type key and press the OK key or C key to reset the counter If the reset is successful the display shows Action completed If the reset fails the display shows Error 2 2 24 July 2001 PRECAUTIONS 3 REPLACEMENT AND ADJUSTMENT 3 1 PRECAUTIONS 3 1 1 GENERAL NCAUTION Turn off the main power switch and unplug the machine before starting any of the replacement procedures described in this section
121. rea Pattern SP5 902 5 Bypass No 10 to make the adjustment The 2nd tray adjustment is for the optional tray 9 0 9 0 0 0 0 1 mm step IAJ Specification 0 2 mm Use the key to select or when entering the value 003 Paper Feed Timing 1 1st tray Adjusts the amount of buckle the paper feed clutch 2 Other trays applies to the paper by adjusting delay between 3 Bypass triggering of the registration sensor and activation of registration clutch A higher setting applies greater buckling 0 10 5 1 mm step 106 Fusing Temperature Display 1 Displays the fusing temperature Press to exit the display USING SERVICE PROGRAM MODE 24 July 2001 Mode Number Name Function Setting Fusing Nip Band Check 1 Checks the fusing nip band 1 No 02 Yes DFU Auto Restart Interval 1 Sets the time interval between completion of one copy and automatic start of next copy 0 9999 07 1 s DFU AC SP2 XXX Frequency Display Drum Displays the fusing lamp power control frequency as detected by the zero cross signal generator in Hz Mode Number Name Function Setting 001 Charge Bias Adjustment 1 Image area Adjusts the voltage applied to the charge roller when printing 71800 1500 1650 1 V step The actually applied voltage changes automatically as charge roller voltage co
122. rness through the hole A at the rear of the copier o 2 S n E Pass relay harness B through the circular opening at C at the rear of the PSU board bracket and then through the hole at A Then connect the relay harness to the heater s harness D B0461520 WMF Pull the relay harness back into the copier Then set the ferrite core E over the relay harness and push it back so that it is over the heater s harness Wrap the heater s harness once around the core see F Adjust so that the core is located toward the rear of the copier at position E behind the rear clamp Secure the core into position using the supplied tie wrap G Clip off the excess length of the tie wrap H Connect the relay harness connector I to the large connector at the front center of the PSU board Screw the ground wire J to the PSU board bracket using the included grounding screw Attach the supplied clamps K to corresponding holes on the PSU board bracket and set the heater harness though the clamps Position the harness so that the front clamp is between the two bindings L on the harness Then fasten the clamps PAPER TRAY UNIT HEATER 24 July 2001 17 Pull the excess length of the heater s harness out the hole at the rear A NOTE Be sure that the harness passes to the side of the grounding plate B at the bottom of the hole The front of the grounding plate must remain clear
123. rrection is carried out The value you set here becomes the base value on which this correction is carried out ID sensor pattern Adjusts the voltage applied to the charge roller when generating the ID sensor pattern 0 400 200 1 V step The actual charge roller voltage is obtained by adding this value to the value of SP2 001 1 Manual Use this feature to adjust the voltage to the image area when diagnosing a problem 1900 0 0 1 V step value is applied an offset to the value set by SP2 001 001 This setting is lost at power off 005 Charge Bias Correction 1 min Sets lower limit for application of charge bias correction 0 100 90 1 step Correction is applied if Vsdp Vsg is less than this value Vsdp max Sets upper limit for application of charge bias correction 0 100 95 1 step Correction is applied if Vsdp Vsg is greater than this value Correction step Sets the correction step the amount of voltage added or subtracted for each correction 0 200 50 1V step 5 4 24 July 2001 USING SERVICE PROGRAM MODE 2 Mode Number Name Function Setting 101 Erase Margin Adjustment 1 Leading edge Adjusts the leading edge erase margin 0 0 9 0 3 0 0 1 mm step IAJ Does not apply to 1 sheet bypass feed 4 Trailing Adjusts the trailing edge erase margin 0 0 9 0 4 0 0 1 mm step IAJ Does not
124. s in place os 5 lt B046D002 WMF 3 Slide the 1st and 2nd scanners so that all four of the following are roughly aligned on both the front and back sides The hole on the copier lid The hole on the 1st scanner The corner right hole on the 2nd scanner e The hole at the base of the scanner 4 Insert the two optics adjustment tools A and adjust the scanners as necessary so that the tools go through all four holes 5 Tighten the two screws that you loosened at step 2 above so that the belts are firmly clamped into place 6 Remove the adjustment tools B046D003 WMF 24 July 2001 FUSING 3 5 FUSING 3 5 1 FUSING UNIT NCAUTION The fusing unit can become very hot Be sure that it has cooled down sufficiently before handling it 1 Turn off the main switch and unplug the machine 2 Copy tray 3 3 3 3 Fusing unit A 2 x 3 x 3 NOTE When reinstalling the unit Replace the spacer B in the correct position and remember to set the grounding wire C into place Ee 25 on 55 om og B046R501 WMF 3 5 2 EXIT SENSOR 1 Fusing unit er 3 5 1 2 Exit sensor A x 1 B046R508 WMF FUSING 24 July 2001 3 5 3 HOT ROLLER STRIPPER PAWLS B046R502 WMF Replacement Adjustment B046R507 WMF C 1 Fusing unit er 3 5 1 2 Separate the fusing unit into two sections the hot roller se
125. s the copy mode display 4 Select the copy features paper size image density magnification etc 5 Press again to print the test pattern 6 After checking the test pattern press key to exit from copy mode 7 To print other test patterns repeat steps 2 to 6 8 When finished exit SP mode Test Pattern No Test Pattern Blank 20 Horiz lines 1 dot printed line 21 Diagonal line pattern ascending 1 dot blank line alternating 1 dot width 600dpi Horiz lines 1 dot printed line 22 Diagonal line pattern ascending 2 dot blank line alternating 2 dot width 600dpi Horiz Lines 2 dot printed line 23 Diagonal line pattern descending 1 dot blank line alternating 1 dot width 600dpi Horiz Lines 2 dot printed line 24 Diagonal line pattern descending 2 dot blank line alternating 2 dot width 600dpi Grid 1 dot line thickness 25 Diagonal line pattern ascending Grid 2 dot line thickness 1 dot width 400dpi Alternating dots 1 horiz line of 26 Diagonal line pattern ascending repeating 1 dot printed 2 dots 2 dot width 400dpi blank followed by 2 horizontal 27 Diagonal line pattern descending lines completely blank repeating 1 dot width 400dpi Solid Black 28 Diagonal line pattern descending 2 dot width 400dpi Trimming Area Grayscale 2 x 2 dot Horizontal line of repeating 2 dots print
126. se this to input the telephone number of the service representative This number is displayed when a service call condition occurs To input a dash press 6 Use to delete the existing phone number or to delete the last digit that you entered SRAM Data Upload Uploads SP and UP settings from the machine s SRAM to a flash memory card 5 1 9 0 No 1 Yes This SP is effective only if a flash memory card has been plugged into the machine s card slot SRAM Data Download Downloads SP mode data from a flash memory card to the machine s SRAM er 5 1 9 0 No 1 Yes This SP is effective only if a flash memory card has been plugged into the machine s card slot Program Upload Uploads the system program from the machine s SRAM into the flash memory card plugged into the machine s card slot er 5 7 8 0 No 1 Yes This SP is effective only if a flash memory card has been plugged into the machine s card slot Program Download Downloads the system program from a flash memory card to the machine s SRAM 5 1 8 0 No 1 Download first 2MB 2 Download last 2MB e This SP is effective only if you have booted the machine from a flash memory card 5 15 USING SERVICE PROGRAM MODE 24 July 2001 Mode Number Name Function Setting 837 Program Checksums Displays checksums of the contents of the machine s SRAM The
127. sm C out of its housing and remove it NOTE When removing note how the wire goes through a clamp and also note where it passes through the rear of the machine 3 18 24 July 2001 PAPER FEED SECTION 3 8 PAPER FEED SECTION 3 8 1 PAPER FEED ROLLER AND FRICTION PAD 1 Take out the paper tray 2 Clip ring A 3 Pull the shaft back and lift it out 4 Remove either or both of the following e Paper feed roller B e Friction pad C 25 B046R702 WMF 55 ays 95 3 8 2 PAPER END SENSOR Take out the paper tray Open the right door PCU er 3 5 Paper end sensor A EB x 1 NOTE When installing the new sensor reach your left hand in through the front and your right hand in through the right side and view from the right side 49 975 B046R929 WMF A PAPER FEED SECTION 24 July 2001 3 8 3 REGISTRATION SENSOR B046R926 WMF B046R927 WMF Ee 25 on 55 og Take out the paper tray Open the right door Black guide piece A Registration sensor feeler B Registration sensor C 1 3 8 4 BYPASS PAPER END SENSOR B044 AND B046 ONLY 1 Right door 3 3 9 2 Detach the sensor compartment A 3 Bypass paper end sensor B EP 1 B046R924 WMF 3 20 24 July 2001 PAPER FEED SECTION 3 8 5 BYPASS FEED ROLLER B044 AND B046 ONLY B
128. ted SP mode display appears on the LCD as shown SP H5557200 class1 No 1 Feed B046M002 WMF How to Exit SP Mode Press or the Cancel key one or more times to return to the standby mode display Accessing Copy Mode from within SP Mode 1 Press key 2 Select the appropriate copy mode and make trial copies NOTE The User Tools LED flashes while you are using copy mode from within SP mode To return to SP mode press the key 5 1 USING SERVICE PROGRAM MODE 24 July 2001 How to Select a Program Number 1 1 2 1 B046M003 WMF Each SP number consists of two or three levels classes To select a program you need to enter each class number in sequence 1 Enter the first class program number with the numeric keypad or change the number using the Right or Left cursor key and then press the C key or the OK key 2 Enter the second class program number with the numeric keypad or Right or Left cursor key and press To select a third class program select the second class number and then use the Right or Left cursor key 4 To return to the next higher class press 9 To Input a Value or Setting 1 Enter the required program mode as explained above 2 Enter the required setting using the numeric keys and then press C or the OK key NOTE 1 If you forget to press C or OK the previous value remains in effect 2 If necessary use t
129. th edge detect 966 Smoothing Select Selects whether smoothing is used for the mode selected by SP4 921 IP 0 4 0 1 step where 0 The mode s default value is used 1 OFF 2 ON USING SERVICE PROGRAM MODE 24 July 2001 SP5 XXX Mode 5 Mode Number Name Function Setting 001 All Indicators On Sets on all indicators on the operation panel and causes the display to blink empty for five second all pixels black for five seconds After checking press or Cancel to exit 302 Date Time Sets the date and time For the year value you can set the last two digits only The first two digits are fixed at 20 You cannot set the seconds value directly Instead the seconds value automatically resets to 0 when you enter the setting for the minutes value Use cursor keys or OK to move from field to field the selected field flashes and enter values with the numeric keys Your new settings are saved only if you press OK while the minutes field is selected 501 PM Alarm Mode 1 Interval Sets the base PM interval 1 255 45 1K copies step This setting is meaningful only if SP5 501 2 is set to 1 On Off Enables disables the PM alarm for the total number of prints copies and faxes 0 Disable 1 Enable 801 Memory All Clear Resets all SP UP settings and values to their defaults with the exception of pl
130. the shift after the first n copies then shifts back to standard position after the next n copies and so on Forced Toner Supply 1 Forces the toner bottle or toner hopper to supply toner to the toner supply unit Press 1 to start 0 No 1 Yes The machine supplies toner over a total of 15 seconds 1 5 second on 1 5 second off repeated 5 times Polygon Mirror Motor Idling Time 1 Selects the polygon mirror motor idling time 0 None 12 15 s 2 25 To increase the speed of the first copy the mirror motor begins idling when the user sets an original touches a key or opens the platen cover or DF If this setting is left at the default 25 s the motor will stop if the user does nothing for 25 s If the setting is 0 the motor will not switch off during standby Regardless of the setting the motor will switch off when the machine enters low power mode er Supply Time Adjusts the toner supply motor ON time 0 1 5 0 0 6 0 1 s step Raising this value increases the toner supply motor ON time Set to a high value if the user tends to make many copies having high proportions of solid black image areas e 6 11 4 Toner Density Control Standard Vt 1 Adjusts Vts the reference voltage used for new developer The TD sensor output is adjusted to this value during the TD sensor initial setting process 0 00 3 3 1 25 0 01 V step DFU 5 7
131. ug and play settings SP5 907 total print counters SP7 003 and the serial number setting SP5 811 er 5 1 6 0 No 1 Yes Before clearing the SRAM be sure to output an SMC printout of all current SRAM content SP5 992 e This SP mode should generally not be used 802 Free Run Starts a free run of both the scanner and the printer 0 No 1 Yes For details about free runs 5 1 7 After selecting 1 press the OK key or the 09 key twice to start the free run Press to stop the free run 803 Input Check Displays the signals being received from a selected sensor or switch er 0 Press to exit the program 804 Output Check Turns on a selected electrical component for test purposes er 5 1 4 5 14 24 July 2001 Mode Number Name USING SERVICE PROGRAM MODE Function Setting SC Code Reset Resets all level A service call conditions such as fusing errors 0 No 1 Yes After selecting 1 hold down the Original Type key and press the OK key or the C key to execute the reset If the reset succeeds the machine reboots If it fails the display shows Error e 4 1 Service Call Conditions Serial Number Input Used to input the machine serial number normally done at the factory This is the serial number printed on SMC reports er 5 1 10 Service Telephone Number U
132. uly 2001 SCANNING 6 7 SCANNING 6 7 1 OVERVIEW B046D564 WMF 12 11 10 9 8 1 Scanner HP Sensor 7 2nd Mirror 2 1st Mirror 8 Scanner Motor 3 Exposure Lamp 9 3rd Mirror 4 1st Scanner 10 Lens Block 5 Exposure Glass 11 Lens 6 2nd Scanner 12 CCD The HP sensor 1 senses when the scanner is at home position ready to begin a scan 25 Ls S 9 3 5 m To copy the original is illuminated by the xenon exposure lamp 2 The 1st 2nd and 3rd mirrors direct the reflected light to the lens block where the lens directs it to the CCD The 1st scanner includes a reflector not shown that helps reduce shadows on pasted originals 6 15 SCANNING 24 July 2001 6 7 2 SCANNER DRIVE B046D001 WMF The scanner motor A a stepper motor drives a gear that turns a small drive belt B driving the scanner drive shaft C Pulleys D E on the ends of the shaft drive timing belts F and G driving the 1st scanner H The first scanner is secured to timing belts I and J which drive the 2nd scanner K through the 2nd scanner s pulleys During scanning in book mode the 2nd scanner moves at half the speed of the 1st scanner Scanner speed increases for reduction printing and drops for enlargement printing generating reduction or enlargement in the sub scan dimension The FCU uses image processing to generate the corresponding reduction or enlargement in the main sc
133. ussian C Stinger C Russian C Stinger C lt 3 3 EXTERIOR COVER AND OPERATION PANEL 24 July 2001 3 3 EXTERIOR COVER AND OPERATION PANEL 3 3 1 PLATEN COVER 1 Lift the platen cover A 2 Unlatch the two latches B NOTE To unlatch press down on the tabs C and then push the latch back 3 Detach the cover from the hook D Ee 25 on 55 og B046R904 WMF 3 3 2 REAR COVER 1 Platen cover er 3 3 1 2 Rear cover A amp x 5 B046R903 WMF 3 4 24 July 2001 EXTERIOR COVER AND OPERATION PANEL 3 3 3 COPY TRAY 1 Open the front door A 2 Copy tray B 2 x 1 Ee 25 on 55 og B046R912 WMF 3 3 4 SCALE PLATE B044 AND B045 ONLY 1 Scale plate A 2 x 2 A B046R551 WMF 3 5 EXTERIOR COVER AND OPERATION PANEL 24 July 2001 3 3 5 LEFT COVER 1 Rear cover 3 3 2 2 Slide the left cover A toward the rear to remove it E Ee 25 eos on 55 om og F B046R901 WMF 3 3 6 RIGHT COVER 1 Rear cover 3 3 2 2 Remove the metal fitting B and the platen cover arm C 3 Slide the right cover D toward the rear to remove it 3 3 7 FRONT LEFT COVER AND OPERATION PANEL 1 Front left cover E On B044 5 2 x 2 On B046 9 amp x 2 x 2 NOTE The illustration shows B046 9 2 Operation panel F x 4 EB
134. witches before converting into the 5VLD power that drives the laser 7 35 Ls o Sg 3 5 6 25 PHOTOCONDUCTOR UNIT PCU 24 July 2001 6 10 PHOTOCONDUCTOR UNIT PCU 6 10 1 OVERVIEW 4 9 Bac B046V510 WMF Cleaning Blade Toner Collection Coil OPC Drum Development roller Mixing Auger 2 TD toner density Sensor Mixing Auger 1 Doctor Blade Charge Roller 0 Cleaning Roller e oe mut NEO 6 26 24 July 2001 PHOTOCONDUCTOR UNIT PCU 6 10 2 DRUM DRIVE B046D303 WMF The main motor A drives the drum B through a series of gears and the drum drive shaft C 25 Ls S 59 5 m 6 27 DRUM CHARGE 24 July 2001 6 11 DRUM CHARGE 6 11 1 OVERVIEW D C A B B046D305 WMF The drum charge roller A remains in contact with the drum producing a charge of 900 V on the drum surface The high voltage supply board B supplies a negative charge to the charge roller via wire C and spring D The default base uncorrected charge is 1650 You can adjust this base charge using SP2 001 1 The actual charge is corrected in accordance with the ambient environment as described in the next section 6 28 24 July 2001 DRUM CHARGE 6 11 2 CHARGE ROLLER VOLTAGE CORRECTION Correction for Ambient Environment 4 0 cm gt 2 ID Sensor Pattern DP Sub scan Direct
135. ws the default high current levels You can adjust these levels with SP2 301 But please note that setting the current too high can cause a ghosting effect where the image at the top of the sheet repeats as a ghost lower down on the page and in the worst case may damage the drum High Transfer Current uA Main Tray Optional Tray Paper Size A4 LT Normal 6 Special OHP B5 8 A5 A6 10 12 6 45 7 Ls S 2g 5 IMAGE TRANSFER AND PAPER SEPARATION 24 July 2001 6 15 3 TRANSFER ROLLER CLEANING Toner may transfer to the roller surface following a paper jam or if the paper is smaller than the image Periodic cleaning of the roller is required to prevent this toner from migrating back to the rear of new printouts The machine cleans the roller at the following times e After initial power on e After clearing of a copy jam e At the end of a job if at least 10 sheet have been printed since the last cleaning The high voltage supply unit first supplies a negative cleaning current about 4 uA to the transfer roller causing negatively charged toner on the roller to move back to the drum It then applies a positive cleaning current 5 uA to the roller causing any positively charged toner to migrate back to the drum The cleaning current can be adjusted using SP2 301 4 6 46 24 July 2001 IMAGE FUSING AND PAPER EXIT 6 16 IMAGE FUSING AND PAPER EX
136. x 1 3 3 8 FRONT RIGHT COVER 1 Operation panel 3 3 7 2 Open the right door 3 Front right cover G 3 6 24 July 2001 EXTERIOR COVER AND OPERATION PANEL 3 3 9 RIGHT DOOR 1 Open the right door 2 Undo the strap B 3 Right door x 1 SE Ee 25 os on 55 og B046R909 WMF 3 3 10 BYPASS TRAY B044 AND B046 ONLY 1 Press the stopper rails A inward and remove the bypass tray B B046R908 WMF 3 7 EXTERIOR COVER AND OPERATION PANEL 24 July 2001 3 3 11 PLATEN COVER SENSOR 1 Rear cover 3 3 2 2 Platen cover sensor A EB x 1 Ee 25 on 55 as og B046R931 WMF 3 8 24 July 2001 SCANNER SECTION 3 4 SCANNER SECTION 3 41 EXPOSURE GLASS 47 Ee 25 eos on 55 as og B046R005 WMF Non DF machines 1 Rear cover 3 3 2 2 Scale plate er 3 3 4 3 Exposure glass A DF equipped machines 1 Rear cover 3 3 2 2 Right cover 3 3 6 3 Exposure glass A NOTE When reinstalling Be sure that the marking on the glass is at the rear left corner and be sure the left edge of the glass is aligned flush against the support ridge B on the frame SCANNER SECTION 24 July 2001 3 4 2 LENS BLOCK 1 Exposure glass r 3 4 1 2 Unclamp four clamps A and take A the wire out of the clamps 3 Lens block B 2 x 4 1

Service Manual: Stella-C1a/Stella-C1b/S-C1a/S

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