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Service Guide OL400

Chapter 2 Principles of Operation

2.3.06 Main Motor (Drum Motor)

The main motor is driven by the motor drive IC (M54646). It is a two-phase motor, driven by the
DM-PH1 and DM-PH2 signals.

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)

Содержание OL400

Страница 1: ...al 09 17 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 C...

Страница 2: ...rface 15 2 2 04 Optional Font Card 16 2 2 05 Optional RAM Board IC Set 17 2 3 Printer Control Function 18 2 3 02 Operation Panel 19 2 3 03 Engine Board 20 2 3 04 Power Supply Unit 21 2 3 05 Fuser Unit...

Страница 3: ...57 3 2 22 Ozone Filter 58 3 3 Adjustments And Service Checks 59 3 3 02 Actual Page Count 60 3 3 03 Modified Page Count 61 3 3 04 Vertical Print Start Position Adjustment 62 3 3 05 Setting the LED Hea...

Страница 4: ...ller Board LLAB 94 A 2 03 Operator Panel PCB LLDC 95 A 2 04 Engine Connection PCB LLCC 96 A 2 05 Centronics Parallel Interface PCB LLCP LLCQ 97 A 2 06 RS 232C Interface PCB LLRS 98 A 2 07 Expansion RA...

Страница 5: ...ark of Oki Electric Industry Company Ltd marques deposee de Oki Electric Industry Company Ltd marca registrada Oki Electric Industry Company Ltd Microline is a registered trademark of Oki Electric Ind...

Страница 6: ...OL840 The following items are included in the kit OL400 Service Handbook OL800 820 Service Handbook OL830 Service Handbook OL840 Service Handbook Service Training Video OL400 800 820 User s Documentat...

Страница 7: ...ards are currently available Downloadable fonts can also be used with this printer The printer can be purchased with either a Centronics parallel interface or an RS 232C serial interface The OL400 s c...

Страница 8: ...side Dimensions Width 17 72 Height 5 24 Length 17 72 1 2 02 Printer Weight 24 lbs 1 2 03 LED Array Number of LED Elements 2560 Copyright 1997 Okidata Division of OKI America Inc All rights reserved Se...

Страница 9: ...ds maximum at room temperature 77oF 25oC and rated voltage 120 VAC 1 3 03 Symbol Sets Thirty nine symbol sets are available with the OL400 1 3 04 Available Fonts There are twenty five resident fonts i...

Страница 10: ...Envelope Size Minimum 3 5 x 7 5 Maximum 7 2 x 10 1 Feed Automatic with optional paper tray or Manual Weight Minimum 16 lbs Maximum 24 lbs Recommended 20 lbs Labels Manual feed Face up delivery only Us...

Страница 11: ...perature and Relative Humidity While operating 50 to 89 F 10 to 32 C 20 to 80 Relative Humidity While in storage 14 to 122 F 10 to 50 C 1 6 02 Printer Noise Level During operation 50 dB maximum At sta...

Страница 12: ...1 5 megabyte Technician installed 1 8 02 RAM Expansion Chip Set Technician installed 1 megabyte memory expansion chip set used in conjunction with the RAM Expansion Board option expands printer memory...

Страница 13: ...terface Board Centronics Parallel Interface Board Technician installed Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any upda...

Страница 14: ...e Toner Cartridge One Fuser Cleaner Pad One LED Head Cleaning Kit Image Drum Cartridge P N 56106601 One Image Drum Cartridge One Ozone Filter Copyright 1997 Okidata Division of OKI America Inc All rig...

Страница 15: ...Printer Mean Time To Repair MTTR Approximately 20 minutes 1 10 03 Estimated Printer Life Approximately 180 000 pages 5 years 1 10 04 Printer Duty Cycle Approximately 3 000 pages 5 print density Copyri...

Страница 16: ...escribes the operation of the printer in the order listed below Main Control Function Printer Control Function Mechanical Operation Sensors and Switches Copyright 1997 Okidata Division of OKI America...

Страница 17: ...e main control function consists of the items listed below CPU 80186 8 Font ROM 512 kbytes Page buffer 512 kbytes DRAM controller chip MSM73V007 Print controller chip MSM75HJ014 Font controller chip M...

Страница 18: ...at the last transition of the STB signal the RXIPT P signal is sent to the CPU to inform it of receipt of data The CPU reads data received from the Q4 IC by the RD N signal and turns off the BUSY sign...

Страница 19: ...a from the CPU into serial data to be sent to the Host I F READY BUSY or X ON X OFF are used as the communication protocol between the Host I F and OL400 These can be selected through the Menu The bau...

Страница 20: ...ition to the twenty five resident fonts an optional font IC card is available The CD N signal detects the option font card Copyright 1997 Okidata Division of OKI America Inc All rights reserved See th...

Страница 21: ...M board contains 1 Mbyte of memory and sockets for an additional 1 Mbyte This RAM is in addition to the 512 Kbyte on the Main Control Board Copyright 1997 Okidata Division of OKI America Inc All right...

Страница 22: ...are components of the printer unit consist of the items listed below Operation Panel Engine Board Power Supply Unit Fuser Unit Main Motor LED Head Resist Motor DC Fan Copyright 1997 Okidata Division o...

Страница 23: ...nverts 4 bit character codes received from the MPU into 8 bit character codes and retrieves the character pattern data font associated with the 8 bit character codes from the internal character genera...

Страница 24: ...h the current fuser Setting of time required from the completion of printing to Stand by Feed length needed to feed the paper to a printable position Print starting line on paper Top margin LED head d...

Страница 25: ...400vdc Developer Bias Voltages High Voltage Drive The high voltage circuit provides a charge voltage about 6Kvdc a transfer voltage about 5 Kvdc a grid voltage about 600 vdc and a developer bias volt...

Страница 26: ...fuser unit if the thermistor fails NOTE The CPU checks for a blown or shorted wire in the thermistor at power on setting a fuser alarm if an error is detected The CPU also sets a fuser alarm if the pr...

Страница 27: ...The main motor is driven by the motor drive IC M54646 It is a two phase motor driven by the DM PH1 and DM PH2 signals Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OK...

Страница 28: ...D CLK signal The data is loaded in the latch circuit by the HD LD signal The on off states of the LEDs are controlled by the signals STB1 STB4 640 bits are turned on or off at a time Copyright 1997 Ok...

Страница 29: ...Hopping then counterclockwise Paper Feed by the motor drive IC LB1731 It is four phase motor driven according to the RM H1 RM H2 and RM ON P signals Copyright 1997 Okidata Division of OKI America Inc...

Страница 30: ...events the next printout If the signal Fan Sense N becomes inactive while printing both the heater and the fan come to a halt after the end of printout of the current page A fan alarm is generated whe...

Страница 31: ...echnology comprises the following processes Charging The surface of the photoconductive material is uniformly charged Exposure The charged photoconductive material is exposed to light forming a latent...

Страница 32: ...OL400 Printing Process The layout of the electrostatic printing process hardware is shown below Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner...

Страница 33: ...or the hopping roller advances the paper until it contacts the feed roller a predetermined length Feeding Feeding is transporting the paper through the printer After the end of hopping the resist moto...

Страница 34: ...ore positive than the toner supply roller charge toner is attracted from the toner supply roller to the development roller The toner attracted to the development roller is scraped off by the doctor bl...

Страница 35: ...ature at a predetermined temperature about 150 C A thermostat cuts off voltage supply to the heater in the event of abnormal temperature rise Paper Ejection Paper is ejected from the fuser unit by the...

Страница 36: ...es of Operation 2 5 SENSORS AND SWITCHES Sensors Switches Sensor Functions Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Страница 37: ...vice Guide OL400 Chapter 2 Principles of Operation 2 5 01 Sensors and Switches Inlet Sensor Photosensor Outlet Sensor Photosensor Paper Tray Identification Switches Paper End Sensor Photosensor Cover...

Страница 39: ...ed During Feeding If the leading part of the paper does not reach the outlet sensor within a predetermined period of time after the start of feeding by the resist motor a feed jam error is established...

Страница 40: ...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 41: ...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 42: ...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 43: ...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 44: ...4 at its bottom and detach it 4 Pull on the locking collar and then detach the connecting cable 5 from connector J1 6 of the operator panel PCB 7 NOTE 5 Please note that when assembling the operator p...

Страница 45: ...the back of the lower cover at the left and right sides Lower the upper cover into position If the cover is not installed properly paper jams will result Copyright 1997 Okidata Division of OKI America...

Страница 46: ...ck in the styrofoam shipping package 4 Squeeze the LED head 4 and the LED holder together to ease the tension on the springs 5 Use a screwdriver to remove the two clamps 6 from the claws of the LED he...

Страница 48: ...ee shield cover mounting screws 1 and detach the shield cover 2 by sliding it forward and lifting it 3 Remove the interface board mounting screw 3 and the post 4 4 Lift the interface board 5 to discon...

Страница 49: ...ield cover 2 by sliding it forward and lifting it 3 Press the hook of the locking circuit board support 3 to unlock the RAM board 4 4 Lift the RAM board to disconnect it from the main controller board...

Страница 50: ...e the three controller board mounting screws 1 3 Lift the main controller board 2 to disconnect it from the engine control circuit board 3 and remove the main controller board Copyright 1997 Okidata D...

Страница 51: ...the LED holder and raise the upper unit 5 Remove the two remaining mounting screws 3 CAUTION Be careful not to lose the plastic spacer 4 located between the shield frame and the engine controller boar...

Страница 52: ...10 from the old board and mount them on the new board With LLAB Revision 11 Q1 is not installed because the program is masked in the CPU Copyright 1997 Okidata Division of OKI America Inc All rights r...

Страница 53: ...hich run the entire length of the board are to the front of the printer when the board is installed 4 Working from the bottom of the printer remove the motor cover 4 by releasing the two black claws 5...

Страница 55: ...these procedures 3 2 01 3 2 03 3 2 04 3 2 05 3 2 06 2 Detach the shield frame 3 2 07 step 6 3 Remove the DC fan assembly 1 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See t...

Страница 56: ...these procedures 3 2 01 3 2 03 3 2 04 3 2 05 3 2 06 3 2 07 2 Detach the gears in the following order idle gear B 1 reduction gear 2 and idle gear A 3 Copyright 1997 Okidata Division of OKI America Inc...

Страница 57: ...h voltage cables 1 NOTE When installing the cables are keyed for correct placement The larger connector is to the front of the printer 3 Remove the four mounting screws 2 4 Raise the upper unit 5 Slid...

Страница 59: ...ter down Then lift the upper unit 3 Remove the paper eject roller assembly mounting screw 1 Slightly lift the paper eject roller assembly 2 at its left end and slide the left end backward using the ri...

Страница 60: ...fulcrum block 6 and the idle gear 7 when removing the upper unit Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to...

Страница 61: ...gear 2 3 Detach the cable 3 from the cable guide 4 of the upper unit 4 Pass the connector 5 through the slot in the upper unit and work the cable from the upper unit guides 5 Position the upper unit s...

Страница 62: ...claws must move freely within their grooves or paper jams will result Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updat...

Страница 63: ...3 2 05 3 2 06 3 2 07 3 2 08 3 2 10 3 2 11 2 Remove the two mounting screws 1 3 Use a straight slot screwdriver to detach the sheet guide 2 4 Remove the backup roller 3 Copyright 1997 Okidata Division...

Страница 64: ...lock lever 2 towards the back of the printer to raise the upper unit 3 5 Firmly push down and back on the sides of the transfer charger assembly 4 until the lower cover claws are disengaged from the...

Страница 65: ...ver release the claws 1 from both sides of the resist roller assembly 2 NOTE The left claw can be accessed from the bottom of the printer 3 Lift the resist roller assembly from the printer Copyright 1...

Страница 66: ...se pliers and working from the left side of the printer push the post 1 to the right 4 Remove the post 5 Remove idle gear C 2 NOTE The cutout 3 on the post should be positioned to the left side of the...

Страница 67: ...the cable 3 from connector J5 on the engine controller circuit board 4 4 Remove the two mounting screws 5 5 Lift the paper supply assembly 6 at its front until the frame of the unit comes off the gui...

Страница 68: ...these procedures 3 2 01 3 2 02 3 2 03 3 2 04 3 2 05 3 2 17 2 Remove the two mounting screws 1 3 Detach the resist motor 2 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the...

Страница 69: ...17 2 Remove the two mounting screws 1 3 On the paper supply unit press the pointed end of the nylon latch 2 push out the head 3 and remove the latch 4 Detach the engine connection board 4 Copyright 19...

Страница 70: ...2 05 3 2 15 3 2 17 2 Remove the two screws 1 and slide the upper plate assembly 2 until the claws 3 are unlocked 3 Push the hopping roller shaft 4 to the left to unlock it 4 Remove the hopping gear p...

Страница 71: ...oller shaft above the ground plate which is on the left side of the printer Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Страница 72: ...05 3 2 15 3 2 17 3 2 20 2 Hold the separator 1 down and remove the escape lever 2 from the pins on the paper supply unit Be careful not to lose the separator spring 3 Copyright 1997 Okidata Division o...

Страница 73: ...the image drum cartridge is replaced Using a screwdriver insert the blade under the lower portion of the fan cover 1 and twist the screwdriver to remove the fan cover Remove the ozone filter 2 from t...

Страница 74: ...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 Remove the upper cover 2 Raise the up...

Страница 75: ...maintenance mode 2 Press Switch 1 for five seconds The LED will display the contents of the Parameter1 Actual Page Counter register as follows a The long flash indicates start of count b Short flashe...

Страница 76: ...ess Switch 1 for 1 second The LED will perform one short flash to indicate Parameter 1 is selected Example Modified Page Counter 142 The next step in this table is also the last step in the Actual Pag...

Страница 77: ...ol board The LED will flash continuously indicating that the printer is in Parameter 1 of the maintenance mode 3 Press Switch 1 eight times to access Parameter 9 The LED will flash 9 times indicating...

Страница 78: ...5 4 2 0 12 2 0 5 2 5 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 mater...

Страница 79: ...on the Engine Control board The LED will flash continuously 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 flas...

Страница 80: ...22 23 24 14 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 mate...

Страница 81: ...playing to the second decimal place or farther 5 Check the voltage at CN1 of the interconnect board 1 between Pin 31 5 vdc and Pin27 0 vdc The value should be 5 0 vdc 0 1 6 If adjustment is required r...

Страница 82: ...off line 2 Press and hold MENU more than 2 seconds The first menu category will appear on the display 3 Press MENU until Darkness appears on the display 4 Press to toggle through the values until the...

Страница 83: ...leaner in its original position to the right 3 4 03 Cleaning the Transfer Charge Wire CAUTION Do not press strongly when cleaning or you will break the transfer wire 1 Push the two lock levers backwar...

Страница 85: ...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 86: ...r to the Service Center Reference Guide for information on accessing Okilink II 4 2 03 Faxable Facts Okidata s Faxable Facts is an automated fax document retrieval system It is maintained by Okidata s...

Страница 87: ...erefore such information is not available when a product is first released However Okidata wants to respond to these requests Okilink II provides round table discussions on technical problems Errors a...

Страница 88: ...lems Okidata Dealer Number Technician s Name Company Name Company s Address Street City State Province ZIP Postal Code Country Telephone and Fax Numbers with area country access codes Product Name Uni...

Страница 89: ...se 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 whi...

Страница 90: ...play LCD in the operator panel The Error Messages Table lists the problems that may be indicated by messages on the LCD The first and the second lines of each LCD message are displayed alternately at...

Страница 91: ...e being printed Normal Operation PRINT MENU Menu is being printed Normal Operation CONTINUOUS PRINT Repeated self testing Normal Operation LOOP TEST Testing serial interface circuit loop Normal Operat...

Страница 92: ...ce Font ROM on main controller PCB ERROR EEPROM EEPROM error Press RECOVER Replace EEPROM ERROR RESIDENT RAM CHECK Resident RAM error Replace main controller ERROR OPTION RAM CHECK Option RAM error Re...

Страница 93: ...r or check cover interlock switch EXECUTIVE TRAY REQUEST Request to set executive size paper cassette Normal Operation LETTER TRAY REQUEST Request to set letter size paper cassette Normal Operation LE...

Страница 94: ...E MANUAL REQUEST Request to manually feed Int l DL envelope Load paper Press FORM FEED C5 ENVELOPE MANUAL REQUEST Request to manually feed Int l C5 envelope Load paper Press FORM FEED SIZE TRAY ERROR...

Страница 95: ...Chapter 4 Failure Repair Analysis 4 5 03 Output Samples Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this ma...

Страница 96: ...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 pl...

Страница 97: ...Repeating Marks 12 Blank Spots 13 Vertical White Stripes 14 Black Page 15 Poor Fusing Refer to the Output Samples 4 5 03 CAUTION In some of the RAPs you will be asked to replace the image drum cartrid...

Страница 98: ...tached from the power supply unit and AC power is turned ON YES Is there a short between 38V and 0V Is there a short between 5V and 0V when the engine controller board is installed Make this check on...

Страница 99: ...4 5 02 NO Is the fan rotating YES Allow the unit to warm up and go ON LINE NO Replace the engine controller circuit board END Copyright 1997 Okidata Division of OKI America Inc All rights reserved Se...

Страница 100: ...ine controller circuit board YES Check the resist sensor lever for normal operation NO Replace the engine controller circuit board A Is the paper actuating the resist sensor lever YES Run the Engine D...

Страница 101: ...3 pin 3 YES Check the outlet sensor lever for normal operation NO Replace the engine controller circuit board A Is the resist roller rotating NO Check the planetary gearing of the paper feed assembly...

Страница 102: ...circuit board YES Is the paper ejected normally YES Check the exit sensor lever for normal operation NO Check the paper path for obstructions or replace the engine controller circuit board END Copyrig...

Страница 103: ...NO Set the tray properly YES Has the paper been fed through the printer YES Replace the engine connection board NO Is the tray identified correctly YES END NO Replace the engine connection board or th...

Страница 104: ...e controller circuit board END A Power OFF then ON Does the fuser lamp glow Check this from the rear vents of the printer YES Is the thermistor open See above NO Replace the engine controller circuit...

Страница 106: ...ROM Q1 on the engine controller circuit board Has the trouble been resolved YES END NO Replace the engine controller circuit board END Copyright 1997 Okidata Division of OKI America Inc All rights res...

Страница 107: ...roller Lift the 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 YE...

Страница 108: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 109: ...O 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 drum cartr...

Страница 110: ...e Power ON while pressing the RECOVER switch to clear the drum counter Has the trouble been removed YES END NO Replace the LED head Has the trouble been removed YES END NO Replace the engine controlle...

Страница 111: ...ed corrective action 2 5 Check replace the fuser assembly or backup roller 3 7 Check replace the image drum cartridge 4 75 Check replace the hopping roller All others Check replace the resist rollers...

Страница 112: ...een resolved YES END NO Is the transfer wire broken or nicked YES Replace the transfer wire assembly NO Clean the transfer wire Has the trouble been resolved YES END NO Replace the image drum cartridg...

Страница 113: ...place the transfer wire assembly NO Clean the transfer wire Has the trouble been resolved YES END NO Replace the LED head Has the trouble been resolved YES END NO Replace the image drum cartridge Powe...

Страница 114: ...supply unit Is the problem resolved YES END NO Replace the LED head Is the problem resolved YES END NO Replace the engine controller board Is the problem resolved YES END NO Replace the image drum ca...

Страница 115: ...s the problem been resolved YES END NO Are the backup roller springs normal NO Replace the springs YES Replace the fuser assembly Has the trouble been removed YES END NO Replace the engine controller...

Страница 116: ...f the various Menu Items This information is stored in the EEPROM 4 7 05 Serial Interface Loop Test The Serial Interface Loop Test is used to determine the status of the RS232 C Serial Interface Board...

Страница 117: ...s 7 To stop the test press Switch 1 8 The printer may print a few more pages before stopping the test Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Pa...

Страница 118: ...uit boards used in the printers The following areas are covered Function Firmware Fuses Jumpers Switches Sensors Test Points Where an item is not applicable the word NONE will be listed Copyright 1997...

Страница 119: ...tion Section Main Controller LBPE LBPF A 2 01 Engine Controller LLAB A 2 02 Operator Panel LLDC A 2 03 Engine Connection LLCC A 2 04 Centronics Parallel Interface LLCP LLCQ A 2 05 RS 232C Serial Inter...

Страница 121: ...Charts A 2 01 Main Controller Board LBPE LBPF Firmware O4B PROM 512K Program O5B PROM 512K Program 07C Masked ROM 4Mbit Resident Fonts Fuses NONE Jumpers NONE Sensors NONE Switches NONE Test Points 5...

Страница 122: ...and LBPE are not compatible The LBPE and LBPF PCBs may be used in either Revision A or revision B provided the proper program ROMs are used The parallel interface boards and the Paper Deliver Units a...

Страница 123: ...EPROM 64Kbyte Engine Control Beginning with LLAB Revision 11 Q1 is not needed The Q1 ROM has been changed to a Masked ROM internal to MPU 83C154 which replaces MPU 80C51 IC2 EEPROM 1 024 bit Fuses NON...

Страница 124: ...pply 5vdc J5 pin 5 Power Supply 38vdc J5 pin 13 Resist motor drive voltage 38vdc J6 pin 15 Power Supply 5vdc J6 pins 13 31 32 Power Supply Ground J6 pin 16 Copyright 1997 Okidata Division of OKI Ameri...

Страница 125: ...r Panel PCB LLDC 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 Partn...

Страница 126: ...A 2 04 Engine Connection PCB LLCC Firmware NONE Fuses NONE Jumpers NONE Sensors Paper End Sensor Switches Paper Tray identification switches Test Points NONE Copyright 1997 Okidata Division of OKI Am...

Страница 127: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 128: ...Service Guide OL400 Chapter A Reference Charts A 2 05 Centronics Parallel Interface PCB LLCP LLCQ Firmware NONE Fuses NONE Jumpers NONE Sensors NONE Switches S1 Installed 5vdc on CN5 Pin 18 Test Poin...

Страница 130: ...Page 98 Service Guide OL400 Chapter A Reference Charts A 2 06 RS 232C Interface PCB LLRS Firmware NONE Fuses NONE Jumpers NONE Sensors NONE Switches NONE Test Points NONE...

Страница 132: ...oard optional RAMK RAMH 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 Busines...

Страница 133: ...erconnect Board LLIE Firmware NONE Fuses NONE Jumpers NONE Sensors NONE Jumpers NONE Testpoints NONE Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Par...

Страница 134: ...ence Charts A 2 09 Power Supply Unit Fuses F1 AC Line Fuse 125V 8A F2 38 V Line Fuse 125V 2 5A Firmware NONE Jumpers NONE Sensors NONE Switches Cover Interlock Switch Testpoints 5V CN1 pins 13 31 32 1...

Страница 136: ...ard 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 Service Cente...

Страница 137: ...dded to a product and expands the product s functionality An option may or may not be installed by the end user Instructions for installation accompany each option Option RSPL Okidata recommends that...

Страница 138: ...ervice information Information about Okidata s Customer Information Center Okidata service and support telephone numbers The Service Center Reference Guide contains detailed procedures to follow when...

Страница 140: ...eakdown charts Index to Charts Description Section Items 1 7 B 2 01 Items 8 16 B 2 02 Items 17 27 and 41 B 2 03 Items 28 35 B 2 04 Items 36 40 B 2 05 Copyright 1997 Okidata Division of OKI America Inc...

Страница 141: ...ct to change Refer to Section B 1 01 for finding current information Item Part Description Okidata Part Number 1 Paper Cassette Letter Size 70013601 1 Paper Cassette Legal Size 70013701 2 Operator Pan...

Страница 142: ...55503501 7 Face up Stacker Assembly 50066601 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...

Страница 143: ...re subject to change Refer to Section B 1 01 for finding current information Item Part Description Okidata Part Number 8 LED Head 55619501 9 Fusing Unit 120 volts 55044901 9 Fusing Unit 240 volts 5504...

Страница 144: ...Drum Tray Spring 50917205 120vac Upper Unit includes 8 9 12 13 14 15 16 50213701 240vac Upper Unit includes 8 9 12 13 14 15 16 50213702 Copyright 1997 Okidata Division of OKI America Inc All rights re...

Страница 145: ...numbers are subject to change Refer to Section B 1 01 for finding current information Item Part Description Okidata Part Number 17 Main Pulse Motor 56507301 18 Resist Roller Assembly 50079101 19 Trans...

Страница 146: ...Gear in base 51218601 25A Post 53329501 26 Backup Roller Pressure Spring 50914801 27 DC Fan Assembly 56507601 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Bu...

Страница 147: ...ge Refer to Section B 1 01 for finding current information Item Part Description Okidata Part Number 28 Power Supply Unit 120Volts 56408703 28 Power Supply Unit 240Volts 56408702 29 High Voltage Power...

Страница 148: ...601 33 Centronics Interface Board LLCR PCB Not available as a spare part 34 RS232 C Serial Interface Board LLRS PCB 55044301 35 RAM Expansion Board w 1MB 55040901 NOTE Three Main Controller Boards are...

Страница 149: ...2 05 Items 36 40 Item Part Description Okidata Part Number 36 Engine Connection Board LLCC PCB 55044601 37 Resist Motor 70 Ohms 56507401 37A Resist Motor 79 Ohms 56507402 38 Separator 53500501 39 Hop...

Страница 150: ...ver Open Switch R mounted on the Power Supply Frame 55050701 Part numbers are subject to change Refer to Section B 1 01 for finding current information Copyright 1997 Okidata Division of OKI America I...

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