Oki B4500 Series Maintenance Manual Download Page 20

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43502101TH Rev.1

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Oki Data CONFIDENTIAL

2.3.1

Upper Cover Assy

(1) With the power switch turned off, unplug the AC power cord from the outlet.

(2) Disconnect the interface cable

(3) Press the button

on right side of the Upper cover and open the stacker cover assy

(4) Take out the image drum unit

(5) Remove one screw

, and remove the I/F cover

from the back side of the printer.

(6) Open the manual feed guide assy

. Unlock the latches at two locations on the front side. Lift the

front side of the upper cover

up and unlock the latches at two locations on the back side. Lift and

remove the upper cover assy

Note : 1.

When removing or reinstalling the upper cover, be careful not to get the motor cables
tangled or caught.

Be careful not to touch (or rotate) the DC motor thoughtlessly. Rotating the DM motor
counterclockwise removes the eject spring. (Refer to 2.3.9.)

LATCH

Summary of Contents for B4500 Series

Page 1: ...Oki Data CONFIDENTIAL B4500 B4550 B4600 Maintenance Manual 032007A PRINTING SOLUTIONS ...

Page 2: ...43502101TH Rev 1 2 Oki Data CONFIDENTIAL Rev No Date No Corrected items Page Description of change Person in charge Document Revision History 1 2007 01 17 ISSUE ME2 I Kitano HP24 Z Takahashi ...

Page 3: ...ntenance Manual describes the field maintenance methods for B4600 Monochrome LED Page Printers This manual is written for use by service persons Please note that you should refer to the Printer Handbook for the handling and operating methods of the equipment ...

Page 4: ... Hopping Roller Shaft Assy 30 2 3 12 Stacker Cover Assy 31 2 3 13 Registration Roller 32 2 3 14 Roller Transfer Assy 33 2 3 16 Back up Roller 35 2 3 17 Sensor Plate Inlet 36 2 3 18 Sensor Plate Outlet Sensor Wire Assy 37 2 3 19 Manual Feed Guide Assy 38 2 3 20 Sensor Plate Paper Supply 39 2 3 21 Main control board 40 2 3 22 Power Supply Board and High Voltage Sensor Board 41 2 3 23 Cassette Guide ...

Page 5: ...ssage Troubleshooting 61 5 5 3 Image Troubleshooting 69 6 WIRING DIAGRAM 78 6 1 Interconnect Signal Diagram 78 6 2 PCB Layout and Connector Signal List 79 6 3 Resistance Check 95 APPENDIX A RS 232C SERIAL INTERFACE OPTION 97 APPENDIX B CENTRONICS PARALLEL INTERFACE 102 APPENDIX C UNIVERSAL SERIAL BUS USB 111 APPENDIX D LOOP TEST RS 232C INTERFACE 117 APPENDIX E DIAGNOSTICS TEST 118 APPENDIX F MULT...

Page 6: ...1 1 Operator Panel LCD 1 LED 1 SW 8 Drum Motor Paper Cassette ID Unit Paper Feeding Mechanism First Tray Unit Registration Motor Hopping Clutch LED Head Electrophotogarphic Processing Unit Fuser Unit Halogen Lamp High Voltage Sensor Board ROM DIMM High Capacity Second Paper Feeder Multi Purpose Feeder IEEE1284 USB Network RS232C Network Board OR RS232C Board Optional AC INPUT Power Supply Board Fa...

Page 7: ... Processor Paper Feeder Controller Operator Panel Power Supply Unit The printer unit configuration is shown in Figure 1 2 Figure 1 2 Upper cover Operator panel assy Stacker assy Optional board Legal universal paper cassette Image drum unit Type 10 consumable Toner cartridge Type 10 consumable Power supply High Voltage Sensor board Main control board ...

Page 8: ...ENTIAL 1 3 Optional Configuration The options shown below are available for use with B4600 These are available separately from the printer unit 1 High Capacity Second Paper Feeder 2 Multi Purpose Feeder 3 RS 232C Serial Interface Board ...

Page 9: ...43502101TH Rev 1 9 Oki Data CONFIDENTIAL 5 SDRAM DIMM 6 Flash DIMM 4 Network Interface Board Soft NIC CARD 7 Postscript 3 Emulation DIMM i 16MB ii 32MB iii 64MB iv 128MB v 256MB i 1MB ii 8MB iii 16MB ...

Page 10: ...capacity second paper feeder option Applicable sizes Width 3 5 to 8 5 90 to 216 mm Length 5 8 to 14 148 to 355 6 mm Thickness Automatic feed 16 to 28 lbs 60 to 105 g m2 Manual feed Label OHP paper transparency Envelope 24 to 28 lbs 6 Printing speed Continuous printing 27 pages per minute with Letter size paper 26 pages per minute with A4 size paper Except Multi purpose Feeder 13ppm with Letter siz...

Page 11: ...ccurs In operation Power off mode During Storage Unit Temperature Humidity Maximum wet bulb temperature Minimum diference between wet and dry bulb temperatures 50 90 10 32 20 80 77 25 35 6 2 F C RH F C F C 32 110 0 43 10 90 80 4 26 8 35 6 2 14 110 10 43 10 90 13 Noise During operation 53 dB A or less Standby 30 dB A or less Except idling operation Quiet mode Back ground level 14 Consumables Toner ...

Page 12: ...ty certification label is affixed to the printer in the position described below 1 5 2 Warning Label The warning labels are affixed to the sections which may cause bodily injury Follow the instructions on warning labels during maintenance Serial No Made In China ODA AC 120V model OEL AC 230V model ...

Page 13: ...puler SPANISH Las disipadores de color el núcel del transformador pueden producir un choque eléctrico Compruebe antes de tocar PORTUGUESE O dissipador de calor e o núcleo do fransiormador apresentam risco de choque elétrico Teste antes de focar ENGLISH Circuits maybe live after fuses open FRENCH Il se peut que les circuits soient sous tension une fois que les fusibles ont éfé rerirés SPANISH Las c...

Page 14: ... i Connect the AC cord and interface cable to the printer ii Connect the AC inlet plug to the AC receptacle iii Turn on l the power switch of the printer 2 Do not disassemble the printer as long as it is operating normally 3 Do not remove parts which do not have to be touched try to keep the disassembly to a minimum 4 Use specified service tools 5 When disassembling follow the laid out sequences P...

Page 15: ... and units are listed in Table 2 1 Table 2 1 Service Tools No Q ty Application Remarks Service Tools 1 2 3 4 5 6 7 8 1 1 1 1 1 1 1 1 2 2 5 mm screws 3 5 mm screws Cleans LED head No 1 100 Philips screwdriver No 2 100 Philips screwdriver No 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers Handy cleaner LED Head cleaner ...

Page 16: ...1 Image drum unit Type 10 consumable Toner cartridge Type 10 consumable LED head Stacker cover assy View A DC motor main drum Pulse motor registration Stacker cover assy Eject roller assy Registration roller Assy Back up roller Diselectrification bar Transfer roller Lower base unit Hopping roller rubber Hopping roller shaft Manual feed guide assy View A ...

Page 17: ...43502101TH Rev 1 17 Oki Data CONFIDENTIAL Upper cover unit Figure 2 2 Upper cover ...

Page 18: ...NTIAL Base unit Figure 2 3 Paper cassette Cassette guide L Assy Cassette guide R Assy DC fan assy Face up stacker assy Operator panel assy Power supply board Low voltage High voltage sensor board Main control board Network Interface board ...

Page 19: ...3 8 Lower base unit 2 3 4 Operator panel assy 2 3 3 Manual feed guide assy 2 3 19 Pulse motor main drum 2 3 5 Pulse motor registration 2 3 6 Pulse motor hopping 2 3 7 Eject roller assy 2 3 9 Motor assy 2 3 10 Sensor plate inlet 2 3 17 Sensor plate outlet sensor wire assy 2 3 18 Sensor plate paper supply 2 3 20 Main control board 2 3 21 1 Hopping roller shaft assy 2 3 11 Stacker cover assy 2 3 12 R...

Page 20: ...6 from the back side of the printer 6 Open the manual feed guide assy 7 Unlock the latches at two locations on the front side Lift the front side of the upper cover 8 up and unlock the latches at two locations on the back side Lift and remove the upper cover assy 8 Note 1 When removing or reinstalling the upper cover be careful not to get the motor cables tangled or caught 2 Be careful not to touc...

Page 21: ...of the upper cover and open the stacker cover assy 1 2 Open the hook section on the left side of the head holder and remove the LED head 2 3 Remove the head cable 3 from the head connector Note Be sure not to touch directly or push on the SLA part of the LED head SLA Seltoc Lens Array 1 2 3 ...

Page 22: ...he back and remove it 2 Remove the cable 2 from the connector CN1 3 Note You can remove the operator panel assy while the upper cover installed on the unit However it is much easier to remove the panel assy after removal of upper cover Unlock two latches with a tip of screw driver For the purpose insert a driver through faceup paper outlet as shown 2 1 3 Rear view ...

Page 23: ...ntrol board 4 6 Remove the LED head cables 5 from the connector HEAD of the main control board 4 7 Remove the Thermistor cable 6 and TAG connecting cable 7 from the connector CN2 CN101 of the high voltage sensor board 8 Remove the connecting cable 9 of the heater from the connector CN2 of the power supply board 0 9 Open the manual feed guide assy remove seven screws A then remove the lower base un...

Page 24: ...ve the lower base unit see 2 3 4 3 Remove four screws 1 and remove the pulse motor main drum 2 from the motor bracket 3 Note Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes the eject spring Refer to 2 3 9 3 1 2 1 View A View A OK Motor rotation direction NG ...

Page 25: ... see 2 3 1 2 Remove the lower base unit see 2 3 4 3 Remove two screws 1 and remove the pulse motor registration 2 from the motor bracket 3 Note Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes the eject spring Refer to 2 3 9 2 3 1 View A View A ...

Page 26: ...lower base unit see 2 3 4 3 Remove the plate FG 1 and remove the clutch 2 4 To attach the clutch do the operation in the reverse way of detachment Note Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes the eject spring Refer to 2 3 9 2 1 View A View A ...

Page 27: ...anel assy see 2 3 3 3 Remove four screws 1 and remove both the shield plate 2 and face up stacker 3 together 4 Unlock the latches at two locations and remove the face up stacker 3 Note Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes the eject spring Refer to 2 3 9 1 2 1 3 1 ...

Page 28: ...move the stacker cover assy see 2 3 12 5 Disengage the eject roller assy 1 from the lower base 2 by pressing the latch section of the eject roller assy 1 in the direction of the arrow shown below and remove the eject roller assy 1 Note Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes the eject spring Refer to 2 3 9 1 2 LATCH Eject spring ...

Page 29: ...3 Remove the face up stacker assy see 2 3 8 4 Remove the lower base unit see 2 3 4 5 Remove the DC Motor see 2 3 5 6 Remove the four screws 2 and remove the bracket Motor 1 from the Motor bracket Note Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes the eject spring Refer to 2 3 9 2 1 ...

Page 30: ...ch 3 of the hopping roller Assy2 slide the shaft to the direction of the arrow and remove the hopping roller Assy2 4 To attach the hopping roller Assy do the operation in the reverse way of detachment Note Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes the eject spring Refer to 2 3 9 1 2 3 ...

Page 31: ...row A until it stops and remove it in the direction of arrow B 7 Disengage the two latches from the lower base unit 3 and remove the stacker cover assy 5 8 For installation perform the removal procedure in reverse order Note 1 When reinstalling the reset lever L 4 fit it onto the guide of the lower base unit 3 turn it in the direction of arrow C while pressing down the shaft of back up roller and ...

Page 32: ...Gear 3 8 Remove the Registration Bearing L 4 9 Press the registration roller 5 in the direction of arrowA and lift up the left side of it then remove the registration roller Assy 6 10 Pull out the registration roller Assy 6 in the direction of arrowB 11 Remove the pressure roller Assy gear 7 by unloking the latch of the gear 7 12 Remove the bearing Registration L 8 and bearing Registration R 9 13 ...

Page 33: ...e 4 Slide the transfer roller to the right side a little and detach the post in the end part of the gear from the lower base unit to release two latches of the bearing in the gear side 5 Holding the bearing lift up the transfer roller Assy The transfer roller Assy and gear will be also detached in this time 6 To attach the transfer roller Assy do the operation in the reverse way of detachment Be c...

Page 34: ...ews 3 lift and remove the fusing unit 4 Caution Fusing unit may be hot Use care when handling Notes 1 When reinstalling or removing the fusing unit tighten or loosen the screws while holding the fusing unit assy 4 down with your hand it is being pushed up by back up roller 2 When reinstalling the screws 3 be sure to direct the screws into preexisting thread and avoid damaging the threads 3 Do not ...

Page 35: ...out to the left side at this time two bearing Holders back up 2 and the bias springs back up 3and the two ball bearings 4 washer C 5 will also come off 3 Remove the coller 6 from the back up roller 1 Note Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes the eject spring Refer to 2 3 9 3 5 2 6 6 4 1 2 3 4 ...

Page 36: ...t see 2 3 4 5 Press the clamps of three sensor plates inlet and paper 1 and remove them by pressing them upward from the bottom When removing the sensor plates take care not to lose the springs Note Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes the eject spring Refer to 2 3 9 Sensor plate paper Sensor plate inlet Spring sensor IN Spring...

Page 37: ...r assy see 2 3 8 5 Remove the lower base unit see 2 3 4 6 Remove the fusing unit assy see 2 3 15 7 Press the clamps of the sensor plate outlet 1 and remove the sensor plate by pushing it up 8 Turn the clamps of the sensor wire assy 2 remove the sensor wire assy from the lower base unit Note Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes ...

Page 38: ...ment on both sides with the main unit by carefully bending the manual feed guide assy 1 Note 1 When remounting verify the proper the engagements as shown in the diagram 2 Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes the eject spring Refer to 2 3 9 Put the post into the groove Put the post into the groove 1 1 ...

Page 39: ... 3 Remove the face up stacker assy see 2 3 8 4 Remove the lower base unit see 2 3 4 5 Press the clamps of the sensor plate paper supply 1 to unlock the latch and remove it from the base plate 2 Note Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes the eject spring Refer to 2 3 9 View A 1 View A 1 2 ...

Page 40: ...y see 2 3 8 4 Remove the lower base unit see 2 3 4 5 Remove five screws 1 and two screws 2 6 Remove the connector FAN and disconnect the fan motor 3 7 Remove the three connectors PW_1 PW_2 and HVIF 8 Remove the Main control board 4 Note Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes the eject spring Refer to 2 3 9 3 1 1 2 ...

Page 41: ...ove seven screws 7 and remove the power supply board 6 and high voltage sensor board 0 8 Remove the Insulation plate 8 from the base plate 9 Notes 1 Be careful about the sensor paper supply when reinstalling the lower base 2 Make sure that no excessive force is applied to the power supply switch 3 When installing the power supply board onto the base plate be careful not to bend the base plate it i...

Page 42: ...lower base unit see 2 3 4 4 Remove two screws 1 and remove the beam plates 2 5 Remove the cassette guide L Assy 3 by shifting it in the direction of the arrow as shown below 6 Remove the earth plate 4 Note Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes the eject spring Refer to 2 3 9 2 1 3 4 ...

Page 43: ...se unit see 2 3 4 4 Remove two screws 1 and remove the beam plates 2 5 Remove the cassette guide R Assy 3 by shifting it in the direction of arrow 6 Remove the earth plate 4 and the cassette lock spring 5 Note Be careful not to touch or rotate the DC motor thoughtlessly Rotating the DM motor counterclockwise removes the eject spring Refer to 2 3 9 5 2 1 1 3 4 ...

Page 44: ...egory SYSTEM CONFIG MENU Enable Disable Set to Disable Category SYSTEM CONFIG MENU of User Menu is not displayed Sets Category PCL EMULATION MENU Enable Disable Set to Disable PCL EMULATION MENU of User Menu is not displayed Sets Category PPR EMULATION MENU Enable Disable Set to Disable PPR EMULATION MENU of User Menu is not displayed Sets Category FX EMULATION MENU Enable Disable Set to Disable F...

Page 45: ... Displayed only if PSE is installed MANUAL 1 ID No Specifies MANUAL specified Pn in CFS control command ESC EM Pn in FX PPR Emu MANUAL 2 ID No Specifies MANUAL specified Pn in CSF control command ESC EM Pn in FX PPR Emu MP Tray ID No Specifies MPF Tray specified Pn in CSF control command ESC EM Pn in FX PPR Emu Displyed only if MPF is installed Tray 1 ID No Specifies TRAY 1 specified Pn of CSF con...

Page 46: ...utomatically prompt reboot Initializes Flash ROM forcedly Every Flash ROM installed is subject to initialization Initializes EEPROM Special items such as MAC Address are not initialized Sets Russian Greek and view not view TYPE1 Not view Russian Greek TYPE2 View Russian Greek Use a panel that supports Russian Greek to view Russian Greek Selecting by the Select switch then pressing the On line swit...

Page 47: ...se test engine test This mode can be ended by pressing the ONLINE SW Following this operation the power turns off thus the printer cannot return to either operation mode or any of other maintenance modes Set the dot shift for the horizontal direction when printing from Tray 1 This area will not be initialized by the EEPROM reset operation Set the dot shift for the horizontal direction when printin...

Page 48: ...Menu System Maintenance Menu Area 3 Engine Maintenance Menu Area Brands Area F W Revision Area Drum Counter Page Counter Toner Dot Counter OP Menu Area 1 The model forcing which operated before is for operating as another model forcing and a Brands check is recognized as an error and resets change of the Brands point by the PJL command operation at the time of the power supply injection by new EEP...

Page 49: ...Oki Data CONFIDENTIAL 3 2 Adjustment When Replacing a Part Adjustment is necessary when replacing any of the following parts Part Replaced Adjustment Image Drum Cartridge Reset the image drum counter refer to User s manual ...

Page 50: ...tor block 4 2 1 Cleaning of LED Lens Array Clean the LED lens array or replace the toner cartridge when white lines or stripes void light printing are generated vertically down the page as shown below Note After eliminating static electricity of a maintenance personnel clean the LED lens array with a soft tissue paper or soft cloth Part name Condition for replacement Cleaning Remarks Toner cartrid...

Page 51: ... electricity Note To prevent any possible breaking down the printer be sure to eliminate static electricity to clean the LED head 2 Wipe the whole LED head with a soft tissue paper or soft cloth Note Do not use solvents such as methyl alcohol or thinner because of causing damage to the LED head LED head Part of the aluminum foil film ...

Page 52: ...g one character width at a time from right to left LETTER on the lower line may instead be A4 depending on the printer designation When the above messages appear on the LCD the user can verify that the printer has entered the cleaning mode and that it is requesting insertion of a letter or A4 size paper into the manual feederslot 3 Insert a sheet of paper into the manual feeder slot 4 Toner attach...

Page 53: ...he printer being run in proper ambient conditions 2 Are supplies toner and routine replacement part image drum cartridge being replaced properly 3 Is the printing paper normal acceptable quality 4 Is the image drum cartridge being loaded properly 5 3 Tips for Correcting Image Problems 1 Do not touch or bring foreign matter into contact with the surface of the image drum 2 Do not expose the image d...

Page 54: ...Troubleshooting Flow Shouldtherebeaproblemwiththeprinter carryouttroubleshootingaccordingtothefollowingprocedure flow 5 5 1 LCD Status Message Problem List The status and problems which may be displayed by messages on the LCD are listed in Table 5 1 Problems Problems indicated by LCD message Image problems and problems which are not indicated by LCD message Carry out a detailed troubleshooting wit...

Page 55: ... set RS232C related Displayed only when an RS232C card is set NIC items Displayed only when an NIC card is set LCD ON LINE xxxx OFF LINE xxxx FILE ACCESS ARRIVE xxxx ACTIVE xxxx DATA xxxx PRINTING kkk lll FLUSHING FLUSHING JAM FLUSHING DENIED WARM UP POWER SAVE PRINT DEMO PRINT FONTS PRINT MENU MAP PRINT FILELIST PRINT CLEANING NETWORK INITIAL Descroption Shows on line status Shows off line status...

Page 56: ...urthermore a cancel job instruction appears when logs are full Toner amount is low Exchange a toner cartridge The toner cartridge is not proper Install a proper toner cartridge The toner cartridge is not proper Install a proper toner cartridge The toner cartridge is not proper Install a proper toner cartridge Toner near empty Exchange a toner cartridge Something is wrong with the toner sensor Star...

Page 57: ...n the flash memory Acquire a log with JOB Accounting system Manual print request Prompts the user to set paper indicated by mmmm manually Paper feeding is recommended because the print of back sides odd number pages is finished during the Manual Duplex print JOB is canceled if a paper isn t put even if it passes through the time when it is set up with MAN TIME Indicates that a print request was se...

Page 58: ...ntinue press ON LINE switch Install expansion RAM or decrease the data amount Too much print data in a page Too much Macro data Too much DLL data After frame buffer compression overflow has occurred Warns that paper of the inappropriate size has been fed from the tray Check whether Multi feed has happened To continue for Recovery Print open and close the cover Paper jam occurred when paper was bei...

Page 59: ... VIC Limutter VIC decomp write error reserved for monochrome product only VIC illegal decomp error reserved for monochrome product only Engine RAM Error Reserved Engine SRAM Error Reserved Engine Control Error PU Board Fan Motor Error Power Supply LSI Error Reserved Power Supply Fan Motor Error Reserved Humidity Sensor Reserved Temperature Sensor Reserved Multi purpose tray home error Reserved LED...

Page 60: ...go EM Null page EM No video queue EM Illegal sequence Toner TAG EEPROM Reader not installed Toner TAG EEPROM Reader I F Error Machine check Exception DSI Exception ISI Exception Alignment Exception Program Exception Floating point unavailable Exception Instruction address breakpoint Exception Thermal management interrupt Exception Instruction TLB miss Data TLB load miss Data TLB store miss 201 202...

Page 61: ...to deal with them 1 2 3 4 5 6 Trouble The printer does not work normally after the power is turned on Jam alarm Paper size error Fusing unit error SSIO Synchronous Serial Input Output error I F timeout no response between the printer and an optional tray High Capacity Second Paper Feeder Power Envelope Feeder Fan error Flowchart number 1 2 1 2 2 2 3 3 4 5 6 No Paper input jam Paper feed jam Paper ...

Page 62: ...power supply board Yes Is 3 3 V being applied IC4 Pin4 0V Pin8 3 3V No Replace the main control board Yes Is the flexible cable for the operator panel assy being connected to the LCDPNL connector on the main control board and the connector CN on the OPE board properly No Connect the flexible cable properly Yes Replace the operator panel assy or flexible cable Has the problem been solved No Replace...

Page 63: ...the inlet sensor plate Yes Clean the inlet sensor on the high voltage sensor board or replace the high voltage sensor board No Replace the hopping roller rubber or paper cassette No Is the hopping roller rotating Yes Set the paper tray properly No Is the hopping clutch working normally Yes Replace the Boss and Shaft of the hopping roller assembly No Is CLT connector on the main control board being...

Page 64: ...ng roller assembly or tray or hopping clutch Yes Is the image drum cartridge being set properly No Set the image drum cartridge properly Yes Has the paper reached the outlet sensor plate Yes Is the operation of the outlet sensor plate normal moves freely when it is touched No Replace the outlet sensor plate Yes Clean the outlet sensor on the high voltage sensor board or replace the high voltage se...

Page 65: ...n the outlet sensor plate Yes Remove the paper No In the operation of the outlet sensor plate normal moves freely when it is touched No Replace the outlet sensor plate Yes Clean the outlet sensor on the high voltage sensor board or replace the high voltage sensor board No Is the face up stacker pulled out completely from the printer or pushed into the printer completely No Pulltheface upstackerout...

Page 66: ...late or clean the inlet sensor on the high voltage sensor board Yes Does the outlet sensor plate operate properly moves freely when it is touched No Replace the outlet sensor plate or clean the outlet sensor on the high voltage sensor board Yes Replace the high voltage sensor board Outlet sensor Exit roller Heat roller Transfer roller Paper sensor Registration roller Inlet sensor Toner sensor Pape...

Page 67: ... is connected to the high voltage sensor board connector No Connect the thermistor connector property Yes Is the heater of the fusing unit turned on when the heater is turned on light is emitted Yes Check the thermistor connector or replace the main control board or the fusing unit No Is the AC voltage being supplied to the connector for the heater of the power supply board see Figure 5 2 No Repla...

Page 68: ...ly No Connect the cable properly Yes Replace the main control board Has the problem been solved No Check the problem by following the Multi Purpose Feeder maintenance manual ofAppendixFortheHighCapacitySecondPaperFeedermaintenancemanual of Appendix G Yes End No Replace the main control board 6 Fan error ERROR 120 Is the fan rotating Yes Replace the main control board No Is FAN connector on the mai...

Page 69: ...ackground density Figure 5 3 B Blank paper is output Figure 5 3 C Black vertical belts or stripes Figure 5 3 D Cyclical defect Figure 5 3 E Prints voids Poor fusing images are blurred or peels off when the printed characters and images on the paper are touched by hand White vertical belts or streaks Figure 5 3 F 1 2 3 4 5 6 7 8 A Light or blurred images entirely B Dark background density C Blank p...

Page 70: ...e a proper contact with the high voltage sensor board and shaft of the transfer roller Yes Are the contact of the developing roller and the contact of the toner supply roller of the image drum cartrige in contact with the contact assembly properly see Figure 5 4 A and B No Adjust the contacts of the developing and toner supply roller to make a proper contact with the contact assembly Yes Replace t...

Page 71: ... contact with the contact assembly Yes Replace the image drum cartridge Has the problem been solved Yes End Note After replacing the image drum cartridge reset the drum counter see User s Manual No Replace the main control board or high voltage sensor board 3 Blank paper is output Is the LED head being connected properly check the HEAD connector on the main control board and PC connector on the LE...

Page 72: ... Replace the main control board or high voltage sensor board 5 Cyclical defect Notes After replacing the image drum cartridge reset the drum counter see User s Manual Frequency Remedy Image drum Developing roller Toner supply roller Charging roller Cleaning roller Transfer roller Heat roller Back up roller Replace or clean the image drum cartridge Replace the image drum cartridge Replace the image...

Page 73: ...pring Yes Are the contacts of the toner supply roller developing roller image drum and charging roller in proper contact with the contact assy see Figure 5 4 A B C D E No Adjust the contacts so that they touch the contact assy properly Yes Replace the image drum cartridge Has the problem been solved Yes End Note After replacing the image drum cartridge reset the drum counter see User s Manual No I...

Page 74: ...e specified grade Yes Is the tension between the back up roller 7 52kg and the surface of back up roller normal No Replace the back up roller or bias spring Yes Is the connector of the fusing unit assy on the power supply board being connected properly No Connect the fusing unit connector properly Yes Replace the fusing unit assy Has the problem been solved Yes End No Replace the main control boar...

Page 75: ...Yes End No Is the tension between the back up roller 7 52kg and the surface of back up roller normal No Replace the back up roller or bias spring Yes Is the LED head being installed properly check HEAD connector on the main control board and PC connector on the LED head No Install the LED head properly Yes Replace the LED head Has the problem been solved Yes End Yes Replace the image drum cartridg...

Page 76: ...02101TH Rev 1 76 Oki Data CONFIDENTIAL Figure 5 4 Contact s C h a r g e R o ll e r G ro u n d D ru m C l e a n i n g R o l l e r D e v e l o p i n g R o l l e r T o n e r S u p p l y R o l l e r E D C B A ...

Page 77: ...43502101TH Rev 1 77 Oki Data CONFIDENTIAL Figure 5 5 Contact High voltage sensor board Contact plate for transfer roller ...

Page 78: ... S5 S6 S7 S8 S9 S10 S11 1 1 1 1 1 RAM DIMM RAM DIMM 1 LCDPNL CN HEAD High Voltage Output To Thermister in Fuser Unit Board TMA To Image Drum Unit DC Motor Assy Pulse Motor Clutch FAN Centronics I F Network Board CN2 RS232C Board Network I F RS232C I F Multi Purpose Feeder Second Paper Feeder Operator Panel Assy LED Head Unit Main Control Board High Voltage Sensor Board Low Voltage Power Supply AC ...

Page 79: ...H Rev 1 79 Oki Data CONFIDENTIAL 6 2 PCB Layout and Connector Signal List 1 Main Control Board LED Head Printer front side Printer front side Contact face Contact face 1 24 14 1 Operator panel Printer front side ...

Page 80: ...LK P HDCLK N SG HDLD HDSTB1 HDDATA3 HDDATA2 HDDATA1 HDDATA0 HDSTB0 HDSTB3 HDSTB2 3 3V 0VPHD HEAD 0VPHD HEAD 0VPHD HEAD 0VPHD HEAD 0VPHD HEAD Ground for Logic Clock Clock Ground for Logic Load Hsync CSN Data 3 Data 2 Data 1 Data 0 Strobe SI SCLK SO 3 3V for Logic Ground for LED 5V for LED Ground for LED 5V for LED Ground for LED 5V for LED Ground for LED 5V for LED Ground for LED 5V for LED PIN NO ...

Page 81: ... 5V LED ON Switch Data 1 Switch Data 0 LCD Data 3 Ground LCD Data 2 LCD Data 1 LCD Data 0 LCD Register Select LCD Write Read LCD Enable Switch Data 2 Switch Data 3 PIN NO I O 2 4 6 8 10 12 14 I In O Out C Common ENVELOPE Connector Pin Assignment To Multi Purpose Feeder 8 7 4 6 1 2 3 4 5 6 7 8 O O O I C O C O Signal Function OPPAP N OPSCK N OPSD N OPSDP N OVP 38V SG 5VA Paper Sensor 1 Clock Data OP...

Page 82: ...Connector Pin Assignment To 2nd Tray 8 7 4 6 1 2 3 4 5 6 7 8 O O O I C O C O Signal Function OPPAP N OPSCK N OPSD N OPSDP N OVP 38V SG 5VA Paper Sensor 1 Clock Data OPT send data Analog Ground 38V Logic Ground 5V PIN NO I O 5 2 1 3 I In O Out C Common ...

Page 83: ...TRI_FB TRV_FB DB2_V_FB CHI CH_V_FB DB_I SB_V_FB SG CHPWM P DB2PWM TR2PWM P TR1PWM P 5V 5V SG THERM OUTSNS N CVOPN N Write Sensor Paper Sensor 1 Toner Sensor EEPROM1 wire signal Paper Out Sensor Ground SB2 Output CB2 Output DB1 Output Ground Cb1 Output Ground TR1 Current Feedback TR1 Voltage Feedback DB2 Voltage Feedback CH Current Feedback CH Voltage Feedback DB Current Feedback SB2 Voltage Feedba...

Page 84: ... I Signal Function 38V 38V 0VP 0VP 0VPHD 0VPHD HEAD HEAD 24V 24V Analog Ground Analog Ground Ground for LED HEAD Ground for LED HEAD 5V for LED HEAD 5V for LED HEAD PIN NO I O I In O Out C Common 1 2 3 4 5 6 1 2 3 4 5 6 I C C I I O Signal Function ZCROSS SG SG 5V 5V HEATON_N AC Zero Cross Ground for Logic Ground for Logic 5V for Logic 5V for Logic Heater On PIN NO I O I In O Out C Common ...

Page 85: ...43502101TH Rev 1 85 Oki Data CONFIDENTIAL 2 High Voltage Sensor Board ...

Page 86: ...P DB2PWM TR2PWM P TR1PWM P 5V 5V SG THERM OUTSNS N CVOPN N Write Sensor Paper Sensor 1 Toner Sensor EEPROM1 wire signal Paper Out Sensor Ground SB2 Output CB2 Output DB1 Output Ground Cb1 Output Ground TR1 Current Feedback TR1 Voltage Feedback DB2 Voltage Feedback CH Current Feedback CH Voltage Feedback DB Current Feedback SB2 Voltage Feedback Ground CH Output Control DB2 Output TR2 output TR1 Out...

Page 87: ...n Assignment To EEPROM on the Toner Cartridge 1 2 3 1 2 3 O NC I I In O Out NC Non Connection Signal Function V5 NC THERM 5V Non Connection Thermistor PIN NO I O 1 2 3 1 2 3 C NC I O I In O Out NC Non Connection C Common Signal Function SG NC 1 WIRE Ground Non Connection EEPROM 1 wire signal PIN NO I O ...

Page 88: ...43502101TH Rev 1 88 Oki Data CONFIDENTIAL 3 Power Supply Board CN2 CN101 ...

Page 89: ...12 13 14 O O C C C C O O I O O C C O Signal Function 5VH 5VH GND GND GND GND 24V 24V HEATON N 5VL 5VL GND GND ACZEROC 5V for LED HEAD 5V for LED HEAD Ground Ground Ground Ground 24V 24V Heater On 5V for Logic 5V for Logic Ground Ground AC Zero Cross PIN NO I O I In O Out C Common 1 2 3 NC Signal Function AC AC AC NEUTRAL non connect AC LINE Pin No CN2 ...

Page 90: ... 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 I O C C I O I O I O I O I O I I O I O I O I O I O I O C C I O I O I O I O I O I O I O I O I O I O I O I O I O I O I I C C O O Signal SG SG PPPERR N PPSERR N PPSTOP N PPIRDY N PPPAR NC NC OPSCC_TXD OPSCC_DTR PPCLK0 PPC_BE2 PPC_BE0 PPREQ0 N PERIRD N SDT23 SDT21 SG SG SDT19 SDT17 SDT24 SDT26 SDT28 SDT30 SDT8 SDT10 SDT12 SDT14...

Page 91: ... DATA0 P DATA1 P DATA2 P DATA3 P DATA4 P DATA5 P DATA6 P DATA7 P ACK N BUSY P PE P SEL P AUTOFEED N NC SG FG 5VA Function Strobe Data0 Data1 Data2 Data3 Data4 Data5 Data6 Data7 Acknowledge Busy Paper End Select Auto Feed N C Logic Ground Frame Ground 5V Pin No 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 I O C C C C C C C C C C C C I O C O I Signal SG SG SG SG SG SG SG SG SG SG SG SG IPRI...

Page 92: ...ction RMPH1 P RMPH1 N RMPH2 P RMPH2 N Coil 1 P Coil 1 N Coil 2 P Coil 2 N PIN NO I O O Out RM Connector Pin Assignment To Resistration Motor DM Connector Pin Assignment To Main Motor 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 C O O C O I O O O Signal Function SG 5V DMPH2 P 24V DMPH2 N OVP DMON N DMLOCK P CW CCW DMCLK GAIN Ground 5V 24V Analog Ground Motor stop drive LOCK Rotatory direction Clock Motor sp...

Page 93: ...38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 I O I O I O C C O I O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O C Signal DBUS0 DBUS7 SG SG WBEN0 DBUS15 CPU_CS3 N CPU_OE N ABUS14 CPU_CS2 N ABUS15 ABUS30 ABUS16 ABUS29 ABUS17 ABUS28 ABUS18 ABUS27 ABUS19 ABUS26 ABUS20 ABUS25 ABUS21 ABUS24 3 3V ABUS23 ABUS22 ABUS13 ABUS11 ABUS12 A...

Page 94: ...No 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 I O O O C C O O O O O O C O O O O I O O I O I O I O I O I O I O O I O I O I O I O I O I O I O I O I O I C Signal SAD8 SAD13 SG SG SAD9 SAD12 SAD11 RAM_CS1 N PERIWR N RAM_RAS N RAM_CKE N SG RAM_CLK1 RAM_CAS N RAM_DQM1 RAM_WE N SDT8 RAM_DQM0 SDT9 SDT7 SDT10 SDT6 SDT11 SDT5 3 3V SDT4 SDT12 S...

Page 95: ...esistance Check Unit Registration motor Main drum motor Hopping clutch Circuit Diagram Illustration Resistance Between Pins 1 and 2 5 3Ω Between Pins 3 and 4 5 3Ω Between Pins 1 and 2 144Ω Yellow Orange Yellow Brown Black M 1 2 3 4 Black Black C 1 2 ...

Page 96: ...IDENTIAL Unit Fusing unit Fan Circuit Diagram Illustration Resistance Red Black 30 V 1 FANALM N 3 0 V 2 M 1 2 3 4 Thermostat Heater Thermistor Between Pins 1 and 2 120V 2Ω 240V 7Ω Between Pins 3 and 4 200KΩ at room temperature 1 2 3 4 ...

Page 97: ...ovided 3 Interface signal Pin No Signal name Abbreviation Signal direction Functions 1 Frame Ground FG Frame Ground 2 Transmitted Data TD PR Transmitted Data 3 Received Data RD PR Received Data 4 Request to Send RTS PR Stay space level 5 Not connected 6 Not connected 18 Not connected 7 Signal Ground SG Signal Ground 9 Not connected 17 19 Not connected 20 Data Terminal Ready DTR PR Data terminal re...

Page 98: ...uit 14C232 or equivalent INPUT OUTPUT 3V 3V 9V 9V OUTPUT 45 ns 55 ns 14C232 or equivalent INPUT OUTPUT 3V 3V INPUT 12V 12V b Sending Circuit Note The signal levels described above is for the case where 3K Ω x 15pF is connected to the terminal 6 Receive Margin 37 min at all reception rates 7 Communications Protocol a READY BUSY protocol b X ON X OFF protocol ...

Page 99: ...ey to display the item on the LCD to set up Press VALUE key to display the value on the LCD to set up Press SELECT key and display mark on the right side of the value By pressing the ON LINE key menu setting mode is completed and the printer returns to on line state Press the MENU key 9 times XXX PCL AUTO PSE HEX DUMP PRR or FX PSE means POSTSCRIPT 3 EMULATION Press the ITEM key Ready RS232C Item ...

Page 100: ... No parity Even parity Odd parity DATABITS PARITY Ready Press the ITEM key Item Minimum BUSY Time Contents of Display Function 200 m SEC 1 SEC Factory Setting 200 m SEC 200 ms 1 sec 1000 ms PCL only MIN BUSY Ready Item Baud Rate Contents of Display Function 300 600 1200 2400 4800 9600 19200 38400 57600 76800 115200 Factory Setting 9600 baud 300 baud 600 baud 1200 baud 2400 baud 4800 baud 9600 baud...

Page 101: ...L Ready Press the ON LINE key Setting completed ON LINE XXX XXX PCL AUTO PSE HEX DUMP PRR or FX Ready OFF REC Item RS232C I F OFF LINE RECEIVE Contents of Display Function ENABLE DISABLE ENABLE DISABLE Factory Setting ENABLE Press the ITEM key ...

Page 102: ...y Daiichi Denshi CN AX05841A36AT made by Ougat or equivalent Cable side 36 pin plug Type 57 30360 made by Daiichi Denshi or equivalent Plug 552274 1 AMP 552073 1 AMP or equivalent 2 Cable Cable length 6 ft 1 8 m max A Shielded cable composed of twisted pair wires is recommended for noise prevention Note Cable is not supplied with the printer and is not available from Oki ...

Page 103: ... 0V 5V 0V INPUT PRIME FAULT SELECT IN 10 PR PR PR PR PR PR PR PR PR PR Parallel data sampling strobe PR Parallel input and output data During print processing or alarm End of paper Select state ON LINE Request to change mode Not used Signal ground 50 mA max Signal ground Initializing signal End of paper or during alarm Signal ground Not used High level 3 3 kΩ Request to change mode ACKNOWLEDGE PR ...

Page 104: ...Input prime Receive buffer Control Compatibility mode Nibble mode ECP mode 8 bits in the compatibility mode Valid Invalid 0 1M 0 2M 0 5M Bytes Handshaking control is performed in each mode Data received from the host is stored in the receive buffer Busy control is performed Signal lead control is performed 6 Interface circuit a Receiving circuit LVC161284 b Sending circuit LVC161284 c Other 5V 35P...

Page 105: ... L H L H L H L H L Printer Status PError nAck Busy nFault Select Printer Status Power OFF Initializing H W Initializing F W DISABLE Power ON PError H L nAck H L Busy H L nFault H L Select H L nStrobe H L Busy NARROW MEDIUM WIDE H L nAck T ACK Menu Setting Ack Width T ACK 0 5µs 1 0µs 3 0µs H L b Power ON Menu Setting PARALLEL DISABLE c Data Reception Menu Setting Ack Busy Timing Ack in Busy ...

Page 106: ...ffer Canceling Job Idle I F Initialization nInit H L Busy 3 MICRON SEC H L T INIT Menu Setting I PRIME T INIT 2 0µs 50 MICRON SEC 33 3µs Idle Off line On line Notice of Transition to Off line Notice of Transition to On line H L H L H L H L Printer Status Busy PError nFault Select The T ACK values are the same as those shown in the section c e I Prime Not at menu set I PRIME DISABLE f Off line ...

Page 107: ...ransition to Paper End Notice of Transition to On line H L H L H L H L Printer Status Busy PError nFault Select Idle Warning On line Notice of Transition to Warning Notice of Transition to On line H L H L H L H L Printer Status Busy PError nFault Select h Warning Paper end state is excluded ...

Page 108: ...ay contents of the LCD of the operator panel by using the ITEM and ITEM keys Settings are retained even when the printer power is turned off By pressing the ON LINE key menu setting mode is completed and the printer returns to on line state Press the MENU key 8 times Ready XXX PCL AUTO PSE HEX DUMP PRR or FX PARALLEL Item PARALLEL I F Contents of Display Function ENABLE DISABLE ENABLE DISABLE Fact...

Page 109: ...ECP Mode Contents of Display Function ENABLE DISABLE ENABLE DISABLE Factory Setting ENABLE Ready ACKWIDTH Item ACK Width in compatible Contents of Display Function NARROW MEDIUM WIDE 0 5µs 1 0µs 3 0µs Factory Setting NARROW BI DIRCT Press the ITEM key Press the ITEM key Ready ACK BUSY Item Output order of BUSY and ACK signal Contents of Display Function IN WHILE ACK IN BUSY BUSY LOW the end of ACK...

Page 110: ...isplay Function 3µ SEC 50µ SEC DISABLE Enabled with the 3µs nlnit signal Enabled with the 50µs nlnit signal DISABLE Factory Setting DISABLE XXX PCL AUTO PSE HEX DUMP PRR or FX Press the ITEM key Ready OFF REC Item PARALLEL I F OFF LINE RECEIVE Contents of Display Function ENABLE DISABLE ENABLE DISABLE Factory Setting DISABLE I PRIME ...

Page 111: ...Series B Plug 2 Cable Cable Length Max 2m A cable must be met USB Spec Rev 2 0 for normal operation Note Cable is not provided 3 Table of USB I F signals Contact Signal Name Number 1 Vbus 2 D 3 D 4 GND Shell Shield 4 Connector pin arrangement 2 3 4 1 5 Mode Class of Device Full speed Driver Self powered Device 6 Data Signaling Rate Full speed function 12Mb s 7 Interface circuit 3 3 V 1 5 kΩ Rs 22 ...

Page 112: ... max Differential 0 Differential 1 Differential 1 Differential 0 D VIHZ min and D VIL max D VIHZ min and D VIL max Data K state Data lines switch from Idle to K state SE0 for 1 bit time1 followed by a J state for 1 bit time SE0 for 2 5µs Idle for 2ms D and D VIL max for 10ms D D 200mV D D 200mV D and D VIH min D VIHZ min and D VIH min D VIHZ min and D VIH min SE0 for 1 bit time1 followed by a J st...

Page 113: ...evice Connect Detection VOH min VIH min VIL max VOL max VSS Bus Idle Bus Idle Bus Floats Bus Driven to J State at end of EOP Last Bit of Packet SE0 Portion of EOP SOP First Bit of Packet VOH min VIH min VIL max VOL max VSS TPERIOD TPERIOD 12Mbps 0 25 TxDJ1 Min 3 5ns Max3 5ns TxDJ2 Min 4ns Max4ns Crossover Points Differential Data Lines VCRS Consecutive Transitions N TPERIOD TxDJ1 Paired Transition...

Page 114: ...oints Crossover Point Extended Differential Data Lines Diff Data to SE0 Skew N TPERIOD TxDEOP TPERIOD TxJR TxJR1 TxJR2 Differential Data Lines Consecutive Transitions N TPERIOD TxJR1 Paired Transitions N TPERIOD TxJR2 TxJR1 Min 18 5ns Max18 5ns TxJR2 Min 9ns Max9ns e Differential to EOP Transition Skew and EOP Width f Receiver Jitter Tolerance ...

Page 115: ... to set up Press VALUE key to display the value on the LCD to set up Press SELECT key and display mark on the right side of the value By pressing the ON LINE key menu setting mode is completed and the printer returns to on line state Press the MENU key 9 times If RS232C is installed press the MENU key 10 times Ready XXX PCL AUTO PSE HEX DUMP PRR or FX USB Item USB I F Contents of Display Function ...

Page 116: ...EC Item USB I F OFF LINE RECEIVE Contents of Display Function ENABLE DISABLE ENABLE DISABLE Factory Setting DISABLE Item Sets Soft Reset command Contents of Display Function ENABLE DISABLE ENABLE DISABLE Factory Setting DISABLE Press the ITEM key Ready USB S N Item USB Serial Number Contents of Display Function ENABLE DISABLE ENABLE DISABLE Factory Setting ENABLE SOFT RST ...

Page 117: ... Test in the system maintenance mode The codes transmitted from the TD signals are comparatively checked with the data received from the RD signals If any error occurs the error message is displayed on the LCD DB 25S made by Cannon or equivalent TD RD RTS CTS CD SSD DTR DST 2 3 4 5 8 11 20 6 Test Connector Connection Diagram ...

Page 118: ...n returns to the first category after updating the last category in a loop Press the Enter key to execute the function being displayed To exit from any of these modes during a category display press the Recover or ON LINE key and the operation mode will start 1 1 Administrator Mode To enter the administrator mode turn the power on while keeping the ITEM ITEM key pressed down This mode uses the men...

Page 119: ...the Value or Value key INFO ENABLE INFO DISABLE Press the Value or Value key Sets Category INFORMATION MENU Enable Disable PRINT ENABLE PRINT DISABLE Press the Value or Value key Sets Category PRINT MENU En able Disable MEDIA ENABLE MEDIA DISABLE Press the Value or Value key Sets Category MEDIA MENU En able Disable SYS CONF ENABLE SYS CONF DISABLE Press the Value or Value key Sets Category SYSTEN ...

Page 120: ...A B SIDM Press the Select key Download Message data initialization SIDMM2ID 3 0 3 9 Press the Value or Value key Specifies MANUAL specified Pn in CFS control command ESC EM Pn in FX PPR Emu SIDMMPID 6 0 4 5 6 9 Press the Value or Value key Specifies MPF Tray specified Pn in CSF control command ESC EM Pn in FX PPR Emu SIDMT1ID 1 0 1 9 Press the Value or Value key Specifies TRAY 1 specified Pn of CS...

Page 121: ...r exclude disable the total number of printed pages counted at the engine block at the time of menu printing 6 Emulate Emulate determines the default PDL for each brand 7 Loop Test The loop test is for testing the serial I F functions without connecting the printer to the host The data is sent and received by loop back in the loop test The loop test is performed even when another interface is bein...

Page 122: ...Item key Press the Item or Item key Press the Select key Press the Select key Press the Value or Value key Formats flash ROM Changes operater panel Type1 or Type2 Same as Power On Selecting by the Select switch then pressing the On line switch will prompt initialization and printing Engine informa tion Loop Test runs Serial I F function test without connecting the host PC This mode can be ended on...

Page 123: ... 0 0mm 0 5mm 3 5mm MPF 0 5mm 4 0mm 0 5mm 0 0mm 0 5mm 3 5mm MANUAL 0 0mm 4 0mm 0 5mm 0 0mm 0 5mm 3 5mm A B Sets dot shift in the horizontal direction Press the Value or Value key Press the Value or Value key Press the Value or Value key Press the Value or Value key Pressing Item or Item key menu is changed Press the Item or Item key Press the MENU key Press the ONLINE key ...

Page 124: ...time Do not change the default setting 3 Printing Start Position Setting Sets the printing start position 4 Length Shift 5 Dot Shift 6 Drum Count Total Display Displays on the LCD the total number of drum revolutions of the unit counted at the engine block 7 Drum Count Display Displays on the LCD the total number of EP drum revolutions counted at the engine block 8 Factory Adjustment for High Capa...

Page 125: ... tray Sets the amount to TOF position Press the Value or Value key 0 mm 0 5mm 3 5mm 4 0mm 0 5mm LENSHIFT 0 mm Sets image stretch shrink correction Micro tuning in LSYNC cycle Press the Value or Value key DRUM CNT T nnnnnn Displays Drum Count Total Displays on the LCD the total drum rotations counted by the engine DRUM CNT nnnnnn Displays Drum Count Displays on the LCD the EP drum rotations counted...

Page 126: ...for the Multi Purpose Feed er Press the Value or Value key CH ADJ DISABLE CH ADJ ENABLE Sets CH s voltage setting adjustment logic Enable Dis able Press the Value or Value key SB2 ADJ DISABLE SB2 ADJ ENABLE Sets SB2 s voltage setting adjustment logic Enable Dis able Press the Value or Value key 3 2 1 0 1 2 3 CH VOLT 0 Changes the CH s default voltage Press the Value or Value key 3 2 1 0 1 2 3 SB2 ...

Page 127: ...7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 OX ADJUST 0 Select to adjust of A C zero cross control Press the Value or Value key ENGINE TEST EP TEST OFF OFF PAPER CONNECT Sets continuous print for run ning print evaluation at factory Press the Value or Value key PRT DUTY 1 1 1 1 1 10 1 20 1 50 Sets Duty for motor accelera tion testing at factory Press the Value or Value key MODE 00 00 01 02 FD FE FF Used to st...

Page 128: ...Operation The desired destination can be set by turning the power on while depressing two keys corresponding to the destination according to the following table This function shall not be open for users Destination Keys to be Depressed ODA OEL AOS A4 MENU PAPER SIZE ...

Page 129: ...al paper OHP sheets for PPC label sheets PPC sheets Not guaranteed for OHP sheets with attachments on the edge or reverse side Cut sheet size Letter Executive A4 A5 B5 Statement A6 COM9 COM10 Monarch DL C5 Special size Width 87 to 216mm Length 148 to 297mm Weight and Thickness 16 lb to 32 lb 60 128 g m2 For labels and OHP Sheets Label sheets 0 1 to 0 15mm OHP sheets 0 08 to 0 11mm When using sheet...

Page 130: ...he printer Once delivered into the printer the envelope or paper is then controlled and fed through by pulse motor registration of the printer 2 2 Hopper Mechanism The hopper automatically feeds the printer with the envelope or paper being set one sheet at a time After the envelope or paper is set in the Multi Purpose Feeder the pulse motor moves the envelope or paper and a single envelope or pape...

Page 131: ... more than necessary 4 Only specified service tools may be used 5 Disassembly must be carried out according to the prescribed procedures Parts may be damaged if such procedures are not followed 6 Smallpartssuchasscrewsandcollarscaneasilybelost thereforethesepartsshouldbetemporarily fixed in the original location 7 When handling printed circuit boards do not use any glove which may generate static ...

Page 132: ...43502101TH Rev 1 132 Oki Data CONFIDENTIAL 3 2 Parts Layout This section describes the layout of the main components Figure 3 1 Upper Frame Pulse Motor OLEV 11 PCB Separator Roller B Roller A Link ...

Page 133: ...am below Multi Purpose Feeder Link 3 3 1 Separator 3 3 2 OLEV 11 PCB 3 3 3 Pulse motor 3 3 4 Planet gear 3 3 5 Roller A 3 3 6 3 3 1 Link 1 Open paper feed cover 1 and disengage the paper feed cover 1 and link 3 while lifting the paper hold 2 2 Remove the paper hold 2 off the arm 4 3 Disengage the link 3 from the arm 4 and remove it Be careful not to deform the link and arm 1 3 2 4 ...

Page 134: ... screws 1 disengage the locks at 2 locations on the upper frame 2 with a screwdriver and remove the upper frame 2 4 Remove 2 screws 3 and take out the separator assembly 4 5 Disengage the separator 7 from the separator bracket 6 while lifting the paper hold 5 and take out the separator be careful not to lose the spring 8 when you are doing this 1 Lock 3 Lock 2 2 Screwdriver 4 6 5 7 8 ...

Page 135: ... 1 Remove the upper frame see 3 3 2 steps 1 through 3 2 Remove the connector 1 3 Remove 2 screws 2 and remove the OLEV 11 PCB 3 When reinstalling the printed circuit board be careful to make sure that the sensor plate is being set correctly 1 2 3 3 Sensor Plate ...

Page 136: ...43502101TH Rev 1 136 Oki Data CONFIDENTIAL 3 3 4 Pulse Motor 1 Remove the upper frame see 3 3 2 steps 1 through 3 2 Remove the OLEV 11 PCB see 3 3 3 3 Remove 2 screws 1 and remove the pulse motor 2 2 1 ...

Page 137: ...1 137 Oki Data CONFIDENTIAL 3 3 5 Planet Gear 1 Remove the upper frame see 3 3 2 steps 1 through 3 2 Remove the OLEV 11 PCB see 3 3 3 3 Remove 2 screws 1 and remove the motor bracket assembly 2 and planet gear 3 3 2 1 ...

Page 138: ... careful not to deform the sensor plate 1 Remove the upper frame see 3 3 2 steps 1 through 3 2 Remove the separator assembly see 3 3 2 3 Remove the OLEV 11 PCB see 3 3 3 4 Remove the motor bracket see 3 3 5 5 Remove the gear 1 6 Shift the roller A 2 to the right lift it on its left side and slide it out the bearing 3 also comes off while you are doing this so be careful not to lose it Roller B Sen...

Page 139: ...ser 3 Go through checking in the conditions similar to that in which the problem occurred 4 2 Preparations for the Troubleshooting 1 Display on the operator panel The status of the problem is displayed on the LCD Liquid Crystal Display on the operator panel Go through the appropriate troubleshooting procedures according to the messages displayed on the LCD For ODA OEL AOS Status message display Re...

Page 140: ...AD mmmm MPF EMPTY mmmm Papre size A4 Letter etc Jam error Paper size error Tray paper out Notifies of occurrence of jam while the paper is being fed from Multi Purpose Feeder Scroll display Notifies of incorrect size paper feeding from Multi Purpose Feeder Scroll display Notifies of no paper state of the Multi Purpose Feeder Scroll display Check the paper in the Multi Purpose Feeder Carry out the ...

Page 141: ...eing fed to above sensor plate inlet YES Is the sensor plate inlet operating normally NO Replace the sensor plate inlet YES Clean the inlet sensor on the power supply sensor board or replace the power supply sensor board or inlet sensor NO Replace the roller A or roller B NO Are the roller A and roller B rotating YES Set the paper properly NO Is the pulse motor turning YES Replace the planet gear ...

Page 142: ...M 5 1 Interconnection Diagram OLEV 11 PCB CN3 M Pulse motor CN2 To the Printer or High Capacity Second Paper Feeder 2 M T3 1 M T4 4 M T1 3 M T2 OPTPSIN N OPTSCLK N OPTSD P OPTSDR N OVP 30V OVL 5V P FG FG 1 2 3 4 5 6 7 8 9 10 5 2 PCB Layout OLEV 11 PCB CN3 CN2 SEN2 ...

Page 143: ...43502101TH Rev 1 143 Oki Data CONFIDENTIAL 6 PARTS LIST Figure 6 1 Multi Purpose Feeder 9 5 7 6 4 1 2 3 8 ...

Page 144: ...t gear Link Separator Pulse motor OLEV 11 PCB Connector cable Separator assy 1 2 3 4 5 6 7 8 9 1 1 1 1 1 1 1 1 1 1 Same as printer unit ODA exist the label OEL INT without the label 3PB4083 5514P001 3PB4083 5524P001 4PP4083 5520P001 3PP4083 5540P001 4PP4083 5544G001 4PB4083 6075P001 4YA4121 1014G011 3YS4011 3141P003 3YS4011 3141P001 3PA4083 5549G001 ...

Page 145: ...gs Paper that can be used Paper Type Standard paper Xerox 4200 20 lb Special paper OHP sheets for PPC Label sheets PPC sheets use of envelopes or thick paper is not possible Cut sheet size A4 A5 B5 Letter Executive Legal13 Legal14 Special size Paper width 148 to 216mm Paper length 210 to 355 6mm Weight 16 lb to 24 lb 60 to 90 g m2 Paper setting quantity 500 sheets of paper weighing 64 g m2 1 2 Ext...

Page 146: ...e hopper into the printer through the turning of the hopping roller and feed roller Once delivered into the printer the paper is then controlled and fed through by pulse motor registration of the printer 2 2 Hopper Mechanism The hopper automatically feeds the printer with the paper being set single sheet at a time When the paper is loaded in the paper cassette it is then transported by the pulse m...

Page 147: ...d do not disassemble any more than necessary 4 Only specified service tools may be used 5 Disassembly must be carried out according to the prescribed procedures Parts may be damaged if such procedures are not followed 6 Small parts such as screws and collars can easily be lost therefore these parts should be temporarily fixed in the original location 7 When handling printed circuit boards do not u...

Page 148: ...arts Layout This section describes the layout of the main components Figure 3 1 Guide R 2nd Assy includes stepping motor and GRT PCB Stepping Motor Guide L 2nd Assy Hopping Frame Assy One way Clutch Gear Hopping Roller Assy Upper Plate Cassette Assy ...

Page 149: ...acement Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below High Capacity Paper Feeder Stepping motor hopping 3 3 1 GRT PCB 3 3 2 Hopping roller shaft assy and One way clutch gear 3 3 3 ...

Page 150: ...er plate 3 Remove two screws 5 and remove the hopping frame assy 6 4 Remove the front cover assy 4 off the guide boss on the guide L 2nd assy 7 by bending the guide L 2nd assy 7 in the direction of arrow shown in the magnified view below 5 Pull the sheet guide assy 8 in the direction of arrow a and also push in the direction of arrow b to unlock the notch and bring the sheet guide assy 8 in the di...

Page 151: ... I on the guide R 2nd assy 0 and pull out the hinge stand J 9 Remove three remaining screws K which are keeping the motor on the motor bracket L and remove the connector off the Stepping Motor M 10 Remove two screws N on the Stepping Motor M No jutting of the gear shaft G is allowed into the oval hole E Turn E clockwise for screw looseness to affix firmly E Detail A C A 9 9 B L E F G M N H O P S Q...

Page 152: ...3 1 and remove the hopping frame assy 2 Remove the screw 1 and remove the earth plate 2 Remove the sensor lever T 7 and remove the transion spring D and remove the ground plate 6 Remove the gear 3 and remove the metal bush 5 and hopping roller shaft assy 4 3 Remove the E ring A and remove the one way clutch gear B on the right side of the feed roller 0 Note The metal bush C also comes off Be caref...

Page 153: ...ser 3 Go through checking in the conditions similar to that in which the problem occurred 4 2 Preparations for the Troubleshooting 1 Display on the Operator panel The status of the problem is displayed on the LCD Liquid Crystal Display on the Operator panel Go through the appropriate troubleshooting procedures according to the messages displayed on the LCD For ODA OEL AOS Status message display Re...

Page 154: ...ll disply Notifies of correct paper size for the High capacity Second Paper Feeder Scroll disply OPEN UPPER COVER PAPER JAM CHECK TRAY2 PAPER JAM OPEN UPPER COVER EXIT JAM OPEN UPPER COVER PAPER SIZE ERROR CHANGE PAPER TO mmmm pppp TRAY2 SIZE MISIMATCH LOAD mmmm TRAY2 EMPTY mmmm Papre size A4 Letter Legal etc CHANGE PAPER TO mmmm pppp TRAY2 SIZE MISMATCH mmmm Papre size A4 Letter Legal etc pppp Me...

Page 155: ... Is the sensor plate inlet operating normally NO Replace the sensor plate inlet YES Clean the inlet sensor on the power supply sensor board or replace the power supply sensor board or inlet sensor NO Replace the hopping roller shaft assy or paper cassette NO Are the hopping roller and feed roller rotating YES Set the paper properly NO Is the pulse motor turning YES Replace the hopping roller shaft...

Page 156: ...OTOR M Stepping motor 2 M T3 1 M T4 4 M T1 3 M T2 PU To Printer OPTPSIN N OPTSCLK N OPTSD P OPTSDR N OVP 30V OVL 5V 1 2 3 4 5 6 7 8 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram CONTROLLER MOTOR DRIVER SEN2 SEN1 OSC PU PU MOTOR 5 2 PCB Layout GRT PCB ...

Page 157: ...43502101TH Rev 1 157 Oki Data CONFIDENTIAL Figure 6 1 High Capacity Second Paper Feeder 1 2 4 3 5 6 6 PARTS LIST ...

Page 158: ...er Feeder No Description OKI J Part No Q ty Remark Hopping roller shaft assy One way clutch gear Stepping motor GRT PCB Cassette assy 2nd tray DIN8P DIN8P Connector Cord 1 2 3 4 5 6 1 1 1 1 1 1 3PA4122 1367G001 4PB4122 1382P001 3PB4122 1399P001 42372702 40056004 42372601 ...

Page 159: ...43502101TH Rev 1 159 Oki Data CONFIDENTIAL 2nd Tray ASSEMBLY SECTION1 CABINET CASSETTE ASSEMBLY SECTION1 CABINET CASSETTE ASSEMBLY SECTION2 MECHANICAL ASSEMBLY ...

Page 160: ...43502101TH Rev 1 160 Oki Data CONFIDENTIAL 8 26 26 1 7 30 30 2 4 3 i 30 i 30 6 5 SECTION1 CABINET CASSETTE ASSEMBLY ...

Page 161: ...43502101TH Rev 1 161 Oki Data CONFIDENTIAL SECTION2 MECHANICAL ASSEMBLY 21 9 11 10 12 13 23 22 27 14 24 iii ii 15 16 17 19 18 20 A A B C C B 26 25 ...

Page 162: ...1 2 1 1 1 1 1 1 1 1 1 1 2 2 2 Remarks ECO B4250 017 3 3 3 3 3 6 3 3 3 3 3 3 3 3 3 3 6 3 3 3 3 3 6 3 3 3 10 3 6 6 1PP4122 1401P001 3PA4122 1370G001 42511702 3PA4122 1371G001 40056004 4PA4120 1009G001 42511602 4PB4122 1441P001 1PA4122 1366G001 4PP3522 3568P001 4PP4122 1207P001 3PP4122 1331P001 3PA4122 1393G001 3YS4111 3528P001 3PB4122 1399P001 4PP4122 1384G001 4PP4122 1383P001 4PP4122 1226P001 2PP41...

Page 163: ...Contact No Plug Jack Polarity 1 2 3 4 5 6 7 8 Power feeder3 Power feeder3 Send Receive Receive Send Power feeder2 Power feeder2 Receive Send Send Receive Power feeder2 Power feeder2 5 Physical dimensions a Transmission method by CSMA CD b Transmission protocol Packet type Support Remarks Ethernet ll IEEE802 3 IEEE802 3 IEEE802 2 IEEE802 3 IEEE802 2 SNAP ...

Page 164: ...uration HTTP Telnet FTP NetBEUI SNMP DHCP BOOTP RARP AutoIP DNS UPnP SLP WINS NCP SNMP NBP Etc TCP IP ICMP ARP UDP NetBIOS SPX IPX SAP RIP ELAP AARP DDP AEP ZIP RTMP ATP 7 TCP IP a Support OS SunOS 4 1 1 SunOS 4 1 2 SunOS 4 1 3 Solaris 2 1 Solaris 2 2 Solaris2 4 Solaris2 5 HP UX 9 X Windows3 0 TCP IP Windows3 1 TCP IP Windows3 11 TCP IP Windows95 98 WindowsNT 3 5 TCP IP WindowsNT 3 5 1 WindowsNT 4...

Page 165: ...f the data file to be printed The number of character strings of this command varies according to the number of volumes Not supported Name of the file to be deleted with completion of printing Number of indent characters in the output line Specify page width Specify sending of a mail with completion of printing Specify the symbolic link to the data file Specify the font Specify by default Specify ...

Page 166: ...hen the idle time of the connected clients expires Item Factory default Setup range Description HTTP Version 1 0 1 0 Indicates the version of the HTTP being im plemented d Telnet Telnet is an application to reference and change the menu of the Network Printer The TELNET of this system supports simultaneous connection of multiple clients for the personal user Furthermore it provides multiple connec...

Page 167: ... Print Server Name Printer Name Job Time out Description Indicates the number of print servers which can be connected simultaneously Each print server need not be started in advance Even when the printer is ready for operation connection is achieved only by starting the print server Indicates the name of the connected print server Each print server name can be registered up to a maximum of 31 char...

Page 168: ... print server name can be registered up to a maximum of 31 characters The default xxxxxx of the print server name is set to the lower three bytes of the MAC address of the print server Overseas Olxxxxxx OEM Etherxxxxxx The print server name must be preset on a NetWare server using a Novell tool Takes the form of the above server name followed by prn1 by default Entered with the name of a connectin...

Page 169: ...0 NetBEUI a Support OS Windows95 98 WindowsNT4 0 Windows2000 b NetBIOS Item Description Initial recognition Flash Down Load PJL command response Executes the processing of finding out the printer by the setup utility when the printer is connected to the network Provides download processing of the program for the flash ROM Serves as a PJL port to send and receive the PJL command 11 OKI Original Por...

Page 170: ...invalid Name of the zone to which the printer belongs Name of the printer Network valid invalid Frame type TCP IP valid invalid IP address IP subnet mask Default gateway Netware valid invalid Netware mode Network address Q server print server name Q server connection file server name Q server polling rate NDS Tree name NDS Context name R Printer printer name R Printer connection print server name ...

Page 171: ...Please refer to the Illustrated Parts Manual for spare part information ...

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Summary of Contents for B4500 Series

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Oki B4500 Series, Maintenance Manual, Page: 20 / 171

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Summary of Contents for B4500 Series

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