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Service Guide OL830

Chapter 2 Principles of Operation

2.2.05 Expansion RAM Board (REXM)

Sixteen 1Mbit (1bit x 1Mbit) dynamic RAM (total 2 Mbytes) are mounted to the Expansion RAM
Board. The RAM capacity is detected during the power-on sequence. The RAM capacity is printed
during MENU PRINT in the Emulation Mode or START PAGE in Postscript mode.

Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

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Содержание OL830

Страница 1: ...Thank You for purchasing this Factory Service Manual on EBAY from PCTECHINFO Click Here for more Factory Service Manuals for other Computer and Printer Copier Manufacturers from PCTECHINFO...

Страница 2: ...97 Note This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictures rendered at 300 dpi which is ideal for printing but does not view on most displays well Copyright...

Страница 3: ...iagram of Main Control Board 16 2 2 Printer Overview 17 2 2 02 Main Control Unit 18 2 2 03 Main Controller Board APSM 19 2 2 04 Emulation Board APSH 20 2 2 05 Expansion RAM Board REXM 21 2 2 06 Font C...

Страница 4: ...ED Lens Array 56 3 5 Lubrication 57 4 Failure Repair Analysis 4 1 Overview 58 4 1 02 Types of Problems 59 4 2 Troubleshooting Updates 60 4 3 Reporting Problems 61 4 4 Troubleshooting Tips 62 4 5 Fault...

Страница 5: ...s 96 A Reference Charts A 1 Overview 97 A 2 Charts Index To Charts 98 Board Layout 99 A 2 01 Main Controller Board APSM 100 A 2 02 Second Tray Connection Board LLIF Option 101 A 2 03 AppleTalk Serial...

Страница 6: ...IDATA is a registered trademark of Oki Electric Industry Company Ltd Marque deposee de Oki Electric Industry Company Ltd Marca Registrada Oki Electric Industry Company Ltd BAR CODES PLUS MICRO DOCS an...

Страница 7: ...ckard Company IBM PC PC DOS and Proprinter XL are registered trademarks of International Business Machines Corporation Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OK...

Страница 8: ...L830 o OL840 The following items are included in the kit o OL400 Service Handbook o OL800 820 Service Handbook o OL830 Service Handbook o OL840 Service Handbook o Service Training Video o OL400 800 82...

Страница 9: ...ional interface board may be installed This board contains three interfaces AppleTalk RS232 C Serial and RS422 A Serial Two consumables are used in the printer The toner cartridge kit contains a toner...

Страница 10: ...with 4 megabytes memory installed and Do Start Page deselected 1 2 03 Symbol Sets HP Emulation Thirty nine symbol sets are available through the OL830 1 2 04 Available Resident Fonts PostScript 17 Ado...

Страница 11: ...ains three interfaces AppleTalk RS232 C Serial RS422 A Serial uses AppleTalk connector 1 2 10 Emulation Board Provides the HP LaserJet II Emulation Provides the Diablo 630 Emulation Copyright 1997 Oki...

Страница 12: ...bs Recommended 20 lbs Executive option Size 7 25 x 10 5 Feed Automatic with optional paper tray or Manual Weight Minimum 16 lbs Maximum 24 lbs Recommended 20 lbs A4 option Size 8 27 x 11 69 210 mm x 2...

Страница 13: ...feed Face up delivery only Must be able to withstand the heat 150 C of the fusing process CAUTION Envelopes labels and transparencies should only be fed from the top paper tray Copyright 1997 Okidata...

Страница 14: ...include optional second paper tray Length 17 72 does not include paper tray 1 4 02 Printer Weight 24 lbs does not include options 1 4 03 LED Array Number of LED Elements 2560 Copyright 1997 Okidata D...

Страница 15: ...15 220 240 VAC 10 1 5 02 Power Consumption Approximately 800 W maximum during operation Approximately 22 W maximum during stand by fuser is off Copyright 1997 Okidata Division of OKI America Inc All r...

Страница 16: ...ting 50 to 90 F 10 to 32 C 20 to 80 Relative Humidity While in storage 4 to 110 F 20 to 43 C 10 to 90 Relative Humidity 1 6 02 Printer Noise Level At standby 43 decibels maximum Copyright 1997 Okidata...

Страница 17: ...pecifications 1 7 AGENCY APPROVALS FCC Class B UL 478 Version 5 CSA 22 2 220 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for an...

Страница 18: ...dge Kit Toner Cartridge Fuser Cleaner Pad LED Lens Cleaning Pad 1 8 02 Image Drum Cartridge Image Drum Cartridge Ozone Filter Copyright 1997 Okidata Division of OKI America Inc All rights reserved See...

Страница 19: ...om Okidata Barcodes Plus Letter Gothic MICRO DOCS OKIPRO 65 Prestige Elite Tax Fonts Available from Architext Custom Font Card PostScript Mode Futura and More Garamond and More Optima and More PostScr...

Страница 20: ...TTR Approximately 20 minutes 1 10 03 Estimated Printer Life Approximately 360 000 pages 1 10 04 Estimated Fuser Life Approximately 180 000 pages 1 10 05 Printer Duty Cycle Approximately 5 000 pages pe...

Страница 21: ...for printing The Engine Controller Board then sends the FSYNC N and LSYNC N signals to the Main Controller Board Once the Main Controller Board receives the FSYNC N and LSYNC N signals the WDATA N sig...

Страница 22: ...hapter 2 Principles of Operation Block Diagram of Printer Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this m...

Страница 23: ...r 2 Principles of Operation Block Diagram of Main Control Board Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to...

Страница 24: ...scribes the operation of the OL830 Printer in the following order Main Control Function Printer Control Function Mechanical Operation Sensors and Switches Copyright 1997 Okidata Division of OKI Americ...

Страница 25: ...description language The printer then reads the file it receives sizes and orients each character outline as required and prints the page In the HP and Diablo modes the OL830 prints fonts as bit mappe...

Страница 26: ...ter a line of data is read from the FIFO Engine I F Processing The engine I F is divided into the engine control signal and the command interface The engine control signal is allocated to a signal lin...

Страница 27: ...e read write operations of FIFO IC13 and the EEPROM IC1 X2404 The FIFO First in First out Buffer connects the CPU to the video interface The FIFO has a capacity of over 2 lines 2 rasters The data writ...

Страница 28: ...board consists of Two 1 Mbit EPROM for Emulation Mode Two 4 Mbit MASK ROMs which store the bit map fonts used in HP Laserjet and Diablo emulations One TTL IC which function as an address decoder Copyr...

Страница 29: ...d to the Expansion RAM Board The RAM capacity is detected during the power on sequence The RAM capacity is printed during MENU PRINT in the Emulation Mode or START PAGE in Postscript mode Copyright 19...

Страница 30: ...s off the card can be inserted and removed without removing power When the font card is inserted and removed in the on line state the READY lamp is on the message CARD REMOVED ONLINE will be displayed...

Страница 31: ...l hardware components of the printer control unit Engine Board Power Supply Unit Fuser Unit Main Motor LED Head Sensors and Switches Resist Motor Fan Operation Panel Copyright 1997 Okidata Division of...

Страница 32: ...with the current fuser Setting of time required from the completion of printing to Quiet Mode Feed time needed to feed the paper to a printable position Vertical Registration Top margin LED head driv...

Страница 33: ...pter 2 Principles of Operation Block Diagram of Printer Unit Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to thi...

Страница 34: ...se voltages the charge voltage and the transfer voltage are generated by a high voltage power supply The grid connects to ground via a varistor on the medium voltage generation circuit This keeps the...

Страница 35: ...ises in case the thermistor fails NOTE The CPU checks for an open circuit in the thermistor at POWER ON setting a fuser alarm if this error is detected The CPU also sets a fuser alarm if the proper te...

Страница 36: ...y the motor control LSIs IC5 M54646 and IC8 M54646 The motor used is a four phase motor driven by the DM PHL 1 2 3 and 4 signals generated by the LSI Copyright 1997 Okidata Division of OKI America Inc...

Страница 37: ...in the LED Array is placed in the shift register by the HD CLK signal The data is loaded in the latch circuit by the HD LD signal Copyright 1997 Okidata Division of OKI America Inc All rights reserve...

Страница 38: ...Resist Motor is driven clockwise for hopping then counterclockwise for Paper Feeding by the motor drive IC LB1731 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDAT...

Страница 39: ...disabled In accordance with the TIME TO QUIET setting of the Level 2 Menu the Fuser will maintain the proper fusing temperature for 1 or 8 minutes after the last page has been printed If printing is n...

Страница 40: ...n Panel is connected to the Main Controller Board via the Engine Connection Board and the Engine Controller Board The LCD control driver MSM622B or HD44780 converts 4 bit character codes received from...

Страница 41: ...ol Unit When the power supply is turned ON the number of printed pages of the fusing unit and drum cartridge is checked If the Fuser or Drum life has been exceeded this information is transmitted to t...

Страница 42: ...ure analysis procedures in Section Four of this Service Handbook Follow the procedures listed in Adjustments and Service Settings Adjustments may be required when either consumables or parts are repla...

Страница 43: ...agnetic tip Straight slot Screwdriver Needle Nose Pliers 4 Inch Digital Multimeter Shop Vacuum with filter for toner Cloth soft and lint free All purpose Cleaner Grease Dow Corning BR2 or equivalent C...

Страница 44: ...attach these parts to their original positions When handling circuit boards use extreme care Integrated circuits microprocessors ROM and RAM can be destroyed by static electricity Do not place printed...

Страница 45: ...which is operating normally If you decide to perform disassembly during this training Okidata recommends that you perform only the disassembly procedures for RSPL items All other procedures are provid...

Страница 46: ...k Serial Interface Board option 4 RAM Board option REXM 5 Emulation Board APSH 6 Main Controller Board with parallel interface APSM 7 Engine Controller Board LLAB 2 8 Main Motor Assembly 9 DC Fan Asse...

Страница 47: ...L830 Chapter 3 Maintenance Disassembly Board Layout Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this materia...

Страница 48: ...N 53338201 OL830 Upper Cover NOTES When installing the upper cover first set the square holes on the back of the upper cover over the two tabs on the rear of the lower unit then lower the cover Optio...

Страница 49: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 50: ...two flanges 2 on shield plate B 3 releasing the two small tabs 4 4 Lift out the interface board NOTE When installing the interface board make sure that the board is under the tabs 4 P N 55058001 OL83...

Страница 51: ...2 Remove the shield cover 1 by squeezing sides 2 then lifting 3 Lift the RAM board disengaging the connectors and posts 3 P N 55051601 RAM Board REXM 2 MB Copyright 1997 Okidata Division of OKI Ameri...

Страница 52: ...Unlatch the two nylon circuit board supports 1 3 Lift the emulation board disengaging the connector and posts 2 P N 55058101 Emulation Board APSH without ROM Copyright 1997 Okidata Division of OKI Ame...

Страница 53: ...3 Remove the RAM board REXM if installed See 3 2 03 4 Remove the emulation board APSH See 3 2 04 5 Remove the four screws 1 and remove shield plate B 2 6 Remove the four screws 3 7 Lift the main contr...

Страница 54: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 55: ...installed 3 Remove the image drum and toner cartridge Put them in a safe place where the image drum will not be scratched or exposed to light 1 Remove the connector cover from the bottom of the printe...

Страница 56: ...printer onto the Second Paper Feed Unit The metal guide pins will help make alignment easier 6 To activate the Second Paper Feed Unit the TRAY SWITCH option in the Printer Menu must be set to ON See...

Страница 57: ...re performed by changing addresses on the EEPROM located on the engine controller printed circuit board Before performing these adjustments setup the printer as listed below 1 Raise the upper unit 2 R...

Страница 58: ...nts of the Parameter 1 register Actual Page Counter as listed below The long flash indicates start of count Short flashes indicate counter contents most significant digit first There will be a pause b...

Страница 59: ...of Modified Page Count NOTE The number 0 is represented by 10 flashes Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updat...

Страница 60: ...o end this procedure press Switch 1 for one second The LED will perform one short flash to indicate Parameter 1 is selected Example Modified Page Counter 142 Switch 1 Action LED Display Description Pr...

Страница 61: ...ntinuously indicating that the printer is in Parameter 1 of the maintenance mode 2 Press Switch 1 eight times to access Parameter 9 The LED will flash nine times indicating Parameter 9 has been select...

Страница 62: ...13 1 5 6 3 0 14 1 0 7 3 5 15 0 5 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata...

Страница 63: ...y indicating that the printer is in Parameter 1 of the maintenance mode 2 Press Switch 1 twelve times to access Parameter 13 The LED will flash thirteen times indicating Parameter 13 has been selected...

Страница 64: ...25 26 27 28 29 13 30 31 32 33 34 35 36 12 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bp...

Страница 65: ...in Parameter 3 2 Press Switch 1 two times to access Parameter 3 The LED will flash three times indicating Parameter 3 has been selected 3 Press Switch 1 once for five seconds The contents of the Para...

Страница 66: ...ecimal place or greater 2 Check the voltage at CN1 of the interconnect board 1 between Pin 31 5vdc and Pin 27 ground The value should be 5 1vdc 0 1vdc 3 Change the output voltage by adjusting potentio...

Страница 67: ...de and around the printer with a vacuum cleaner designed to pick up toner when necessary CAUTION Do not touch the image drum the LED lens array or the LED head connector block Copyright 1997 Okidata D...

Страница 68: ...the image drum or toner cartridge 1 Turn OFF the power supply switch and press the OPEN button which is on the top right of the printer and raise the stacker cover 2 Lift the LED assembly Locate the...

Страница 69: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 70: ...aner tool 2 Clean the transfer charger wire by gently running the cleaning tool along the wire Slide it several times to the left and right to clean the transfer wire NOTE The transfer charger must be...

Страница 71: ...ach toner cartridge 1 Locate the LED array strip on the back of the LED holder 2 Place the LED head cleaner pad against the LED lens array then slide the cleaner horizontally several times to clean th...

Страница 72: ...eded Use lithium grease When applying the grease do not over lubricate DO NOT allow lubricant to contact the surface of any rollers or paper guides Apply to grease to gears as necessary Copyright 1997...

Страница 73: ...e answers to these questions and the results of your observations determine your next course of action Use the RAP Index to identify which RAP should be used to resolve the problem with the machine If...

Страница 74: ...dicated by messages on the LCD The first and the second lines of each LCD message are displayed alternately at 1 second intervals The messages are displayed until the associated error s is removed Ima...

Страница 75: ...er to the Service Center Reference Guide for information on accessing Okilink II 4 2 03 Faxable Facts Okidatas Faxable Facts is an automated fax document retrieval system It is maintained by Okidatas...

Страница 76: ...roduct is first released However Okidata wants to respond to these requests Okilink II provides round table discussions on technical problems Errors and corrections in the training materials are liste...

Страница 77: ...ny Name Companys Address Street City State Province ZIP Postal Code Country Telephone and Fax Numbers with area country access codes Product Name Units Serial Number Firmware Revision Level Descriptio...

Страница 78: ...false diagnosis will occur Examine the basic check points as directed in the Solutions manual Gather as much information on the problem from the customer as possible Perform inspections in conditions...

Страница 79: ...perator panel display and the mode or condition it matches Two types of errors will be displayed 1 SERVICE is lit An error message is displayed on the operator panel 2 SERVICE is NOT lit An error mess...

Страница 80: ...stopped Power 38V is not supplied to the fan Check for the presence of foreign matter in the fan Check the DC fan for proper connection Replace the fan or the LLAB 2 board ERROR ENGINE FUSING PROBLEM...

Страница 81: ...read compare error occurred in the optional RAM board Refer to RAP 10 ERROR RESIDENT RAM CHECK A RAM write read compare error occurred in the internal 2M byte RAM on the APSM board Refer to RAP 10 ERR...

Страница 82: ...off So EEPROM data format was destroyed Press the RESET switch Menu settings reset to factory defaults Font Card Errors ERROR CARD CHECK Emulation Mode There is an error in the data on the font card...

Страница 83: ...of the hopping roller attempted three times The inlet sensor was activated during power ON Open the cover and remove the jam then close the cover Refer to RAP 02 Connection Error or No Display Displa...

Страница 84: ...he outlet sensor was the specified paper length 45mm or during power ON Open the cover and remove the jam then close the cover Refer to RAP 03 SIZE TRAY n ERROR This error occurs when the difference b...

Страница 85: ...letter tray is requested PS Mode Wait 1 minute A4 TRAY n REQUEST A4 tray is requested HP Mode Press the Form Feed switch to force printing with the present tray A5 TRAY n REQUEST A5 tray is requested...

Страница 86: ...L is requested C5 ENVELOPE TRAY 1 REQUEST Envelope tray C5 is requested Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any upd...

Страница 87: ...Feed LEGAL PAPER MANUAL REQUEST only in the PS mode Legal size 14 inch paper is requested LEGAL 14 INCH MANUAL REQUEST only in the emulation mode Legal size 14 inch paper is requested LEGAL 13 INCH M...

Страница 88: ...r is requested A6 PAPER MANUAL REQUEST A6 size paper is requested B5 PAPER MANUAL REQUEST B5 size paper is requested Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKID...

Страница 89: ...d Reduce the number of macros catalogued Reduce the number of DLLs catalogued ERROR MACRO BUFFER OVERFLOW The macro buffer overflowed Install additional optional RAM board Reduce the number of DLLs ca...

Страница 90: ...without changing the current setting 3 Press RESET The current setting is changed data in the buffer is erased and ON LINE state is available Copyright 1997 Okidata Division of OKI America Inc All ri...

Страница 91: ...nt in the page buffer Go OFF LINE Press FORM FEED to force printing PRINT FONTS Font Sample Test is printing N A CONTINUOUS PRINT Continuous self test is printing N A DEMO PAGE PRINT Demonstration pag...

Страница 92: ...e image drum cartridge Power ON while pressing RESET FUSER LIFE Replace the fusing unit approximately 180 000 pages Replace the thermal fuser Reset the fusing unit counter Copyright 1997 Okidata Divis...

Страница 93: ...cessing the receive data N A ON LINE PS WAITING Waiting to receive data N A ON LINE PS PRINTING Printing N A ON LINE PS PRINTER BUSY The ON LINE key is pressed during processing waiting or printing Re...

Страница 94: ...LCD ON LINE PS IDLE FUSE LIFE Life of thermal fuser Replace the thermal fuser Reset the fuser counter ON LINE PS IDLE TONER LOW Toner is running out Replace the toner cartridge WARMING UP The printer...

Страница 95: ...Blank Spots Refer to Rap 18 Dark Background Refer to RAP 14 Blank Output Refer to Rap 15 Vertical Black Stripes Refer to RAP 16 Repeating Marks Refer to RAP 17 Vertical White Stripes Refer to RAP 19 B...

Страница 96: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 97: ...s problem 2 Go to the appropriate RAP 3 All of the RAPs will begin with a START Statement followed by questions or another type of statement 4 If the RAPs do not lead you to the cause of a problem ple...

Страница 98: ...meout 08 Communication Error Between PU and CU 09 Error Loop Test RS232 C 10 Error Resident Optional RAM Check 11 Program ROM Failure 12 No Operator Panel Display 13 Light or Blurred Image 14 Dark Bac...

Страница 99: ...image drum cartridge Refer to the Solutions Manual for information on resetting the drum counter Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partne...

Страница 100: ...tached from the power supply unit and AC power is turned ON NO Replace the power supply unit YES Is there a short between 38V and 0V Is there a short between 5V and 0V when the engine controller board...

Страница 101: ...Handbook NO Is the fan turning YES Allow the unit to warm up and go ON LINE NO Replace the engine controller board Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDA...

Страница 102: ...or normal operation NO Replace the engine controller board A Does the JAM Alarm occur after paper feeds YES Is the paper actuating the resist sensor lever NO Check the connection between the engine co...

Страница 103: ...ard A Is the resist roller rotating NO Check the planetary gearing of the paper feed assembly replace paper feed assembly if necessary YES Has the paper reached the exit sensor YES Go to B NO Is the m...

Страница 104: ...eck the paper path for obstructions or replace the engine controller circuit board END Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange...

Страница 105: ...e paper tray installed properly NO Install the paper tray properly YES Are the tray identification markings properly recognized by the switches on the LLCC board YES END NO Replace the LLCC board Repl...

Страница 106: ...from the rear vents of the printer YES Is the thermistor open See above NO Replace the engine controller circuit board YES Replace the fuser assembly NO Is the fuser lamp open With the upper cover ope...

Страница 107: ...the ROM Q1 on the engine controller circuit board Is the problem solved YES END NO Replace the engine controller circuit board END Copyright 1997 Okidata Division of OKI America Inc All rights reserve...

Страница 108: ...nected properly NO Connect it properly YES Replace the operator panel Is the problem solved NO Replace the main controller board Is the problem solved NO Replace the LLCC board then the engine control...

Страница 109: ...PU and CU START Replace the main controller board Is the problem solved NO Replace the engine controller board YES END Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OK...

Страница 110: ...NO Install the loop test connector refer to the Solutions Guide for wiring YES Replace the interface board option Is the problem solved NO Replace the main controller board YES END Copyright 1997 Oki...

Страница 111: ...sident RAM operate normally when the optional RAM board REXM is removed NO Replace the main controller board YES Replace the optional RAM REXM board Copyright 1997 Okidata Division of OKI America Inc...

Страница 112: ...lved YES END NO Replace the Program ROM on the emulation board Is the problem solved YES END NO Replace the emulation board Is the problem solved YES END NO Replace the main controller board END Copyr...

Страница 113: ...the 5vdc at both sides of C3 on the main controller board NO Adjust the 5vdc as shown in Section 3 of the Service Handbook Is the 5vdc within specifications NO Replace the power supply unit YES Go to...

Страница 114: ...upper unit remove the paper and look at the image drum Is there a dark toner image on the drum YES Replace the transfer charger assembly NO Clean the LED Head Is the problem removed YES END NO Replace...

Страница 115: ...and wait 30 minutes This will allow the drum surface to recover its photoconductive properties NO Is the fuser assembly dirty YES Replace the fuser cleaner pad NO Replace the image drum cartridge Is t...

Страница 116: ...board NO Is the LED head connected properly Check for good contact NO Connect the LED head properly YES Is the image drum cartridge connected to the ground NO Clean the ground contact of the image dru...

Страница 117: ...rum cartridge Reset the drum counter Refer to the OL830 Solutions Manual Is the problem solved YES END NO Replace the LED head Is the problem solved YES END NO Replace the engine controller board END...

Страница 118: ...the image drum cartridge 2 5 Check replace the fuser cleaner pad and fuser assembly 2 72 Check replace the backup roller 3 7 Check replace the image drum cartridge 4 75 Check replace the hopping rolle...

Страница 119: ...re the print side is up Is the problem solved YES END NO Is the transfer wire broken or nicked YES Replace the transfer wire assembly NO Clean the transfer wire Is the problem solved YES END NO Replac...

Страница 120: ...e transfer wire broken nicked YES Replace the transfer wire assembly NO Clean the transfer wire Is the problem solved YES END NO Replace the LED head Is the problem solved YES END NO Replace the image...

Страница 121: ...the high voltage power supply unit Is the problem solved YES END NO Replace the LED head Is the problem solved YES END NO Replace the engine controller board Is the problem solved YES END NO Replace t...

Страница 122: ...ly Has the problem been solved YES END NO Are the backup roller springs normal NO Replace the springs YES Replace the fuser assembly Is the problem solved YES END NO Replace the engine controller circ...

Страница 123: ...is used to determine the status of the RS232 C serial interface and multi port board A loopback connector must be attached to the interface connector before running this test 4 7 06 Engine Test The E...

Страница 124: ...circuit boards used in the printer The following areas are covered Firmware Fuses Jumpers Switches Sensors Test Points Where an item is not applicable the word NONE will be listed Copyright 1997 Okid...

Страница 125: ...50213503 RSPL A 2 04 Emulation Board without ROM APSH 55058101 RSPL Option A 2 05 2MB RAM REXM 55051601 RSPL Option Same as OL840 Engine Controller without ROM LLAB 2 55044402 RSPL Same as OL800 820 8...

Страница 126: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 127: ...de OL830 Chapter A Reference Charts Board Layout Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material h...

Страница 128: ...tely Firmware IC5 EPROM 4M bit PostScript IC6 EPROM 4M bit PostScript Fuses NONE Jumpers NONE Sensors NONE Switches NONE Test Points 5vdc Check at C3 Copyright 1997 Okidata Division of OKI America Inc...

Страница 129: ...nection Board LLIF Option Firmware NONE Fuses NONE Jumpers NONE Sensors NONE Switches NONE Test Points NONE Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Busin...

Страница 130: ...Port Jumpers Jumper T1 Pins 2 and 3 jumpered supplies 5vdc at pin 18 on the RS232C Port Factory Setting Pins 1 and 2 jumpered 5vdc is not supplied to pin 18 Jumper T2 Pins 1 and 2 jumpered selects pin...

Страница 131: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 132: ...n Panel Board LLJA Firmware NONE Fuses NONE Jumpers NONE Sensors NONE Switches NONE Test Points NONE Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Par...

Страница 133: ...e O1A and O2A Hewlett Packard Emulation ROMS O3A and O4A Bit mapped fonts are stored in these ROMs Fuses NONE Jumpers NONE Sensors NONE Switches NONE Test Points NONE Copyright 1997 Okidata Division o...

Страница 134: ...ulletin Board Okilink II contains current part numbers prices and recommended stocking levels for each item listed as a recommended spare part For instructions on accessing Okilink II refer to the Ser...

Страница 135: ...dded to a product and expands the products functionality An option may or may not be installed by the end user Instructions for installation accompany each option Option RSPL Okidata recommends that t...

Страница 136: ...s Customer Information Center Okidata service and support telephone numbers The Service Center Reference Guide contains detailed procedures to follow when ordering parts Please read understand and fol...

Страница 137: ...r Unit B 2 01 Upper Unit B 2 02 Fusing Unit B 2 03 Lower Unit 1 of 2 B 2 04 Lower Unit 2 of 2 B 2 05 Paper Eject Roller Assembly B 2 06 Paper Supply Unit B 2 07 Second Paper Tray Unit B 2 08 Packaging...

Страница 138: ...Parts Listing B 2 01 Printer Unit The Image Drum Kit P N 56106601 contains an image drum and an ozone filter Item Okidata P N Description Comments Disassembly Procedure 1 70013601 Paper Cassette Lett...

Страница 139: ...4 50213602 Unit Lower RSPL 5 50213701 Unit Upper AC 120 V RSPL 5 50213702 Unit Upper AC 240 V RSPL 6 56609701 Cord AC RSPL 7 55503501 Filter Ozone RSPL Consumabl e 8 50066601 Stacker Face up Assembly...

Страница 140: ...ssette Cover Legal 17 53062901 Access Cover Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http b...

Страница 141: ...P N 52104201 This kit contains a toner cartridge a fuser cleaner pad and an LED lens cleaning pad Included in the Image Drum Kit P N 56106601 This kit contains an image drum and an ozone filter Item O...

Страница 142: ...Resist 8 53329601 Sensor Flag Resist 9 53527701 Sensor Lever Toner 10 50606001 Rivet 11 53527801 Paper Eject Sensor Lever B 12 53527901 Paper Eject Sensor Lever C 13 50312501 Actuator 14 51225801 Idl...

Страница 143: ...er L 26 53502701 Lock Lever R 27 51110201 Lock Lever Shaft 28 50606216 Knock Pin 29 50606208 Knock Pin 30 53058501 Ground Plate Resist Roller 31 53329701 Upper Frame Copyright 1997 Okidata Division of...

Страница 144: ...B Illustrated Parts Listing B 2 03 Fusing Unit Item Okidata P N Description Comments Disassembly Procedure 1 55619501 Unit LED Head RSPL 2 50914301 Spring Clamp LED RSPL 3 50914101 Spring Bias LED He...

Страница 145: ...R 7 50918301 Pressure Spring 8 53058401 Ground Plate LED Head Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to t...

Страница 146: ...Parts Listing B 2 04 Lower Unit 1 of 2 Ite m Okidata P N Description Comments Disassembly Procedure 1 50214502 Unit Paper Delivery RSPL 2 56507701 Motor Pulse Main RSPL 3 50079101 Roller Resist Assem...

Страница 147: ...8601 Idle Gear Base RSPL 11 53329501 Post RSPL 12 50914801 Spring Backup Roller RSPL 13 56508501 Fan DC Assembly RSPL 14 53335601 Reinforcement Plate 15 53334601 Bias Roller 16 50918401 Bias Spring L...

Страница 148: ...01 Sheet Guide 25 53057801 Base Frame Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx oki...

Страница 149: ...B Illustrated Parts Listing B 2 05 Lower Unit 2 of 2 Item Okidata P N Description Comments Disassembly Procedure 1 56408707 Power Supply 120 V RSPL 1 56408708 Power Supply 240 V RSPL 2 55044402 PCB LL...

Страница 150: ...hield Plate A 11 51707301 Shield Plate B 12 55050701 Microswitch Assembly 13 55921901 IC EEPROM for LLAB 2 PCB 14 51707001 Shield Cover 3 2 3 15 55058101 PCB APSH Emulation Board w out ROM RSPL 3 2 4...

Страница 151: ...830 Chapter B Illustrated Parts Listing B 2 06 Paper Eject Roller Assembly Item Okidata P N Description Comments Disassembly Procedure 1 51005201 Sheet Guide 2 53334401 Paper Eject Roller 3 53334501 P...

Страница 152: ...Idle Gear Paper Eject 6 50705301 E Ring 7 53528101 Sensor Lever Paper Eject Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Страница 153: ...ted Parts Listing B 2 07 Paper Supply Unit Item Okidata P N Description Comments Disassembly Procedure 1 55044601 PCB LLCC Engine Connection RSPL 2 56507401 Motor Pulse Resist RSPL 3 53500501 Separato...

Страница 154: ...14 53335101 Upper Plate 15 5111501 Hopping Roller Shaft 16 50705401 E Ring 17 53335201 Side Frame Left 18 53335301 Side Frame Right 19 53335401 Separator Frame 20 53528701 Setting Lever 21 53528801 L...

Страница 155: ...ter B Illustrated Parts Listing B 2 08 Second Paper Tray Unit Item Okidata P N Description Comments Disassembly Procedure 1 50063501 Second Paper Supply Unit 2 55051401 LLFC Second Tray Controller 3 T...

Страница 156: ...ion 5 56726001 Connector PM8DOX 6 56725201 Connector AKJ 40AJ Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to th...

Страница 157: ...Service Guide OL830 Chapter B Illustrated Parts Listing B 2 09 Packaging Item Okidata P N Description Comments Disassembly Procedure 1 53507315 Graphics Box 2 53507401 Foam OL830 3 53507501 Foam Acces...

Страница 158: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

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