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Oki OKIPAGE 8iM Maintenance Manual Download Page 87

 41260201TH  Draft 

                                                                                                           87 / 106

1

Cover-Upper 2

40412602

1

Blueberry

Cover-Upper 2

40412603

1

strawberry

Cover-Upper 2

40412604

1

Tangerine

Cover-Upper 2

40412605

1

Lime

Cover-Upper 2

40412606

1

Grape

2

Lens 2

40413201

1

3

4

Guide Side (L)

2PP4128-1256P001

1

5

Guide Side (R)

2PP4128-1257P001

1

6

Gear Spur (A)

4PP4128-1260P001

1

7

Plate-Hopper

40412902

1

Table 8-1  Cover Assy Upper

No.

 Part Name

 Part No.

Q'ty

 Remarks

Summary of Contents for OKIPAGE 8iM

Page 1: ...41260201TH Draft 1 106 OKIPAGE 8iM LED Page Printer Maintenance Manual ODA OEL Draft Version...

Page 2: ...41260201TH Draft 2 Rev No Date No Corrected items Page Description of change Person in change 1 ISSUE E2 Nagahashi...

Page 3: ...nance Manual describes the field maintenance methods for 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...

Page 4: ...s for Parts Replacement 34 3 2 Parts Layout 36 3 3 Replacing Parts 39 3 3 1 Hopper Plate 39 3 3 2 LED Head and Head Spring 40 3 3 3 Transfer Roller 41 3 3 4 How to remove Cover Upper Assy 42 3 3 5 Upp...

Page 5: ...s When Correcting Image Problems 63 6 4 Preparation Before Troubleshooting 63 6 5 Troubleshooting 64 6 5 1 Status Monitor Message List 64 6 5 2 Status Message Troubleshooting 68 6 5 3 Image Troublesho...

Page 6: ...UNIT Hopper Plate Main High Voltage Power Supply Board Sub High Voltage PowerSupply Board Power Supply Unit Main Control Board Figure 1 1 1 CONFIGURATION 1 1 System Configuration The OKIPAGE 8iM consi...

Page 7: ...Board P6L High voltage Power Supply Board P2H 1 2 Printer Configuration The printer unit consists of the following five hardware components Electro Photographic Processor Paper Feeder Main Control Boa...

Page 8: ...15 9 mm Max 5 127mm x 3 76 2mm Min Thickness Automatic feed 16 to 28 lbs 60 to 105 g m2 Manual feed Label Envelope OHP paper transpar ency 16 to 32 lbs 60 to 120g m2 6 Printing speed First print 13 se...

Page 9: ...densation is permissible Humidity Caution Temperature and humidity in storage are measured with the OKIPAGE 8iM being packed they are valid for one year 13 Noise During operation Avg 50 dB A slow with...

Page 10: ...rtification label is affixed to the following location of the OKIPAGE 8iM 1 4 2 Warning Label Warning labels are affixed to the locations that may cause bodily injury During maintenance do work with e...

Page 11: ...erface and sequentially stores it in memory The OKIPAGE 8iM decodes and edits the received data while storing print data from the interface in memory It sequentially transfers the edited data to the L...

Page 12: ...Bus Data 4 Address 11 High Voltage Power Unit P6L High Voltage Power Unit P2H EEPROM 1kb Motor Driver MTD2005F OSC 16MHz HC125 LS373 RST CN10 CN1 ID Unit CN7 Motor HEAD2 HEAD1 CN8 PLUNGER LED HEAD CN...

Page 13: ...enerates various control timings for monitoring paper feeding and a paper size Inputs the feedback signals from a high voltage generation circuit and thermistor signal DMA controller Parallel interfac...

Page 14: ...nsfer roller Remarks P2H PCB P2H PCB P2H PCB P6L PCB P2H PCB 2 2 Power Supply Unit The power supply unit supplies 5 V and 26 V to the main control board according to 230 VAC 120 VAC The power supply u...

Page 15: ...paper exists Monitors whether paper was inserted into the manual feed sensor section Detects the leading part of the paper Monitors paper feeding Monitors paper feeding and the paper size according t...

Page 16: ...layout drawing of the electro photographic processor 1 Image drum unit The image drum unit makes a toner adhere to the formed electrostatic latent image with static electricity This electrostatic late...

Page 17: ...0 6 85 10 OFF ON 26 50 Outlet sensor Cleaning roller 9 000 Charge roller 9 000 6 77 LED head Drum roller 16 000 Developing roller 14 000 17 23 12 72 23 18 20 32 64 60 Single tray Transfer roller 15 00...

Page 18: ...ear drum gear hopping roller is shown in the table below and on the subsequent pages 4 LED head The shift and latch registers receive image data from the main control board for each dot line 4 992 LED...

Page 19: ...pulse motor Main 1 Motor to be driven by normal rotation of pulse motor main Roller control by pulse motor main 1 Normal rotation of pulse motor main Drum roller transfer roller cleaning roller CH ro...

Page 20: ...tricity This adhesion causes the electrostatic latent image to change to a visible image At the same time the residual toner on the OPC drum is attracted to the developing rollerby static electricity...

Page 21: ...head Power supply Charge roller Power supply Transfer roller Cleaning roller Paper eject roller Outlet sensor Power supply Feed roller Hopping roller Heat roller Back up roller Power supply Developin...

Page 22: ...e clutch is ON When the clutch is on the hopping gear engages with the clutch plate to rotate the hopping roller When the clutch is off the hopping gear is separated from the clutch plate by the sprin...

Page 23: ...t gear Rotate the pulse motor main in the a direction The planetary gear rotates in the a direction dislocating its position in the a direction This causes the planetary gear to be separated from gear...

Page 24: ...ply 3 Charging Charging is performed by applying DC voltage to the charge roller that is in contact with the surface of the OPC drum 4 Exposure Light emitted from the LED head irradiates the negativel...

Page 25: ...ide by the transfer roller When a high negative voltage is applied from the power supply to the transfer roller the positive charge induced on the surface of the transfer roller moves to the paper sid...

Page 26: ...a 400 W heater Halogen lamp that heats the heat roller The thermistor on the surface of the heat roller keeps the temperature of the heat roller constant A thermostat is also installed for safety If t...

Page 27: ...passed the paper sensor Paper outlet jam The trailing part of the paper does not pass the outlet sensor within L mm after the leading part of the paper has passed the outlet sensor 2 52 64 mm L 15 77...

Page 28: ...Reverse rotation OFF ON Pulse motor main Electromagnetic clutch OFF ON Manual feed sensor OFF ON Paper sensor OFF ON Operation mode Warm up Paper feed Printing Outlet sensor Normal rotation Timing Cha...

Page 29: ...Toner Low Detection Hardware configuration of toner sensor The figure below shows the hardware configuration of the toner sensor Hardware Configuration of Toner Sensor Image drum unit Agitation bar ir...

Page 30: ...When the toner full state continues twice Toner Low is released This state is monitored at a cycle of 40 milliseconds c Whenthetonersensordoesnotchangeovertwocycles Tx2 thetonersensoralarm state occu...

Page 31: ...when a user insert his hand through the opening he may be shocked unless an I D Unit has been installed Safety standard measures EN60950 1992 Therefore with mechanism an interlock system for micro swi...

Page 32: ...informed Normal printing Cover open close Cover open close Normal Normal Abnormal toner sensor waveform Abnormal toner sensor waveform Cover open close Other cases ON LINE OKIPAGE 8iM I D Unit not Ins...

Page 33: ...8 8 8 8 8 8 8 8 8 8 8 6 6 6 8 8 8 8 8 8 8 8 8 Note1 An envelop will be forcefully set to 6 PPM for manual feeding narrow in width thick paper regardless of feeding tray and media type Domestic postcar...

Page 34: ...Be sure to reconnect the printer in the following procedures i Connect the AC cord and interface cable to the printer ii Connect the AC inlet plug to the AC receptacle iii Turn on the POWER switch of...

Page 35: ...Philips screwdriver Q ty Use Remarks Maintenance Tools 1 2 3 4 5 6 7 No 2 100 Philips screwdriver No 3 100 Philips screwdriver No 5 200 screwdriver Digital multimeter tester Pliers Handy cleaner 1 1...

Page 36: ...41260201TH Draft 36 106 Figure 3 1 Hopper plate Guide side R Guide side L Spur gear A Upper cover 3 2 Parts Layout This section explains the layout of main parts Upper Cover Assy...

Page 37: ...ping shaft assy Side plate M Registration roller Heat assy Idle gear heat Paper holder Paper guide R Transfer roller Pressure roller B Back up roller Top cover assy LED head Flat cable assy Head sprin...

Page 38: ...41260201TH Draft 38 106 High Voltage Power Supply board P6L Base plate assy Power supply unit Main control board Base Plate Unit Figure 3 3...

Page 39: ...41260201TH Draft 39 106 3 3 Replacing Parts This section explains how to replace parts and assemblies 3 3 1 Hopper Plate 1 Remove two claws and dismount hopper plate 1 1...

Page 40: ...41260201TH Draft 40 106 3 3 2 LED Head and Head Spring 1 Open top cover assy 1 2 Dismount the left clamp and LED head 2 Then dismount flat cable assy 3 3 Dismount two head springs 4 2 1 4 4 3...

Page 41: ...r between the claw and the guide gear T7 in a way of pushing gear T 5 so that it hits the left side and rotate the driver 2 2 2 2 2 Pull off the post of the gear T 5 from the hole of the claw by lifti...

Page 42: ...rew screws on the rear part 2 Open Cover Top Assy Inserting a screwdriver head into a slot marked with on the Plate Base edge turn the screwdriver and lift Cover Upper Assy upward Repeat the same proc...

Page 43: ...socket 2 Disconnect interface cable 1 3 Open top cover assy 2 and dismount I D unit Type 6 3 4 Move paper guide L 4 and paper guide R 5 on the rear of the printer to the center 5 Remove two front claw...

Page 44: ...high voltage power supply board P2H 3 and dismount high voltage power supply board P2H 3 Caution Note the following when assembling the high voltage power supply board P2H Mount the high voltage power...

Page 45: ...gagementandtopcoverassy1 Tension spring 2 also comes off at the same time 4 Disconnect connector HEAD1 HEAD2 on the control board and dismount flat cable assy 3 connector HEAD1 connector HEAD2 3 3 2 1...

Page 46: ...r 1 Dismount the upper cover assy See Section 3 3 5 2 Dismount paper holder 1 3 Unlock and dismount paper guide L 2 and paper guide R 3 4 Remove the claw and dismount hopper spring 4 5 Remove the claw...

Page 47: ...and so that side plate M will face upward 1 Dismount the upper cover assy See Section 3 3 5 2 Remove two screws 1 and two claws then dismount plate side M2 3 Dismount earth plate 3 two idle gears P 4...

Page 48: ...s how to dismount the heat assy and parts in the assy Dismounting the heat assy 1 Dismount the upper cover assy See Section 3 3 5 2 Dismount the high voltage power supply board P2H See Section 3 3 6 3...

Page 49: ...pper cover assy See Section 3 3 5 2 Dismount top cover assy See Section 3 3 7 3 Remove two screws 1 from heat assy Section3 3 10 lift the heat assy and dismount idle gear E A 2 and idle gear E B 3 4 U...

Page 50: ...assy See Section 3 3 5 2 Dismount the high voltage power supply board P2H See Section 3 3 6 3 Dismount the heat assy See Section 3 3 10 4 Dismount the engagement with the left ground then pressure ro...

Page 51: ...de of base frame 3 remove the inlet claw from base frame 8 and dismount inlet 2 5 Disconnect three cables 4 and connector A and dismount base frame 3 Then remove screw 0 Disconnecting connector A B Di...

Page 52: ...41260201TH Draft 52 106 1 1 3 1 1 2 6 8 9 4 A 4 4 B B A Dismount Inlet Disconnecting Connector Disconnecting Connector Screw driver Screw driver Clamp lever CN2...

Page 53: ...nt the upper cover assy See Section 3 3 5 2 Dismount the high voltage power supply board P2H See Section 3 3 6 3 Dismount side plate M See Section 3 3 9 4 Dismount the base frame See Section 3 3 13 5...

Page 54: ...ion 3 3 13 4 Dismount the paper holder assy See Section 3 3 8 5 Dismount the sheet guide See Section 3 3 13 6 Dismount side plate M See Section 3 3 9 7 Raise up roller holder 3 slide hopping shaft ass...

Page 55: ...r 1 Dismount the upper cover assy See Section 3 3 5 2 Dismount Idle gear R 3 and Gear R 4 3 Move regist roller 1 to the right and dismount it by lifting Two regist bearings 2 also come off at the same...

Page 56: ...ower supply board P2H See Section 3 3 6 3 Dismount the base frame See Section 3 3 13 4 Dismount the paper holder assy See Section 3 3 8 5 Dismount the sheet guide See Section 3 3 13 6 Dismount the hea...

Page 57: ...3 13 3 Remove two screws 1 disconnect connector 2 and dismount power supply unit 3 4 Dismount insulation sheet 4 5 Remove five screws 5 dismount insulation sheet 6 and dismount main control board 7 6...

Page 58: ...made public for printer end users 4 1 Adjustment Types and Functions 4 1 1 Printer Driver For Macintosh This printer driver has the following functions Drum counter reset Charge roller cleaning Figure...

Page 59: ...rum counter Refer to User s Manual Set the LED head drive time Set the LED Head Width Set the LED Head Wire Set the Head type Main control board Upload or download EEPROM data 4 2 1 Setting LED Head D...

Page 60: ...button Upload EEPROM Data in EEPROM Operations EEPROM data read is completed 4 The read EEPROM data is displayed in Dialog of the maintenance driver 5 Leave the display of the maintenance driver as i...

Page 61: ...ution Also reset the drum counter when replacing the I D unit 5 2 Cleaning Remove any toner or dirt and clean the circumference and inside of the printer with a waste cloth Caution Do not touch the OP...

Page 62: ...LED lens array Figure 5 2 1 Set the LED head cleaner in the LED lens array as shown in the figure below and slide the cleaner left and right several time to clean the head Caution Do not press the LED...

Page 63: ...expose the OPC drum to direct sunlight 3 Do not touch the fuser because it heats up during operation 4 Do not expose the image drum to light for more than five minutes at room temperature 6 4 Prepara...

Page 64: ...o the troubleshooting flow See Section 6 5 2 Troubleshoot according to Section 6 5 3 Troubleshoot according to Status Monitor Message List See Section 6 5 1 6 5 Troubleshooting If a trouble occurs in...

Page 65: ...0 00 10 01 10 02 12 20 14 2X 14 3X 16 01 16 02 16 03 16 04 16 18 16 19 16 1A 16 21 16 50 16 51 16 5A 16 5B 16 7F Normal operation Normal operation Normal operation Normal operation Install the I D Uni...

Page 66: ...ve the jammed paper To release the error display close the cover If this error occurs frequently see Section 6 5 2 2 2 Open the cover then remove the jammed paper To release the error display close th...

Page 67: ...so adjust EEPROM data See Section 4 2 4 Check the connection of the Option RAM PC board If the option RAM PC board is faulty replace it See Section 6 5 2 4 Replace the heater Assy Replace the heater A...

Page 68: ...llowing troubleshooting flowcharts Caution When replacing the main control board troubleshooted according to the troubleshoot ing flowcharts also adjust EEPROM data See Section 4 2 2 1 2 Item The OKIP...

Page 69: ...e CN1 connectors of the high voltage power supply board P2H and main control board connected correctly No Connect the CN1 connectors correctly Yes Is 5 V supplied between CN2 Pin 2 and CN2 Pin 3 of th...

Page 70: ...P2H No Is the paper already fed to paper sensor paper Yes Is paper sensor paper operating normally No Replace paper sensor paper Yes Replace high voltage power supply board P2H No Replace the steppin...

Page 71: ...s the I D unit set correctly No Set the I D unit correctly Yes Check the gear block Yes Has the paper arrived at the paper sensor outlet Yes Is the paper sensor outlet operating normally No Replace th...

Page 72: ...on the high voltage power supply board P2H Yes Is the paper sensor outlet operating normally No Replace the paper sensor outlet or clean the outlet sensor on the high voltage power supply board P2H Y...

Page 73: ...of the heat assy go on No Is the Halogen lamp or thermostat disconnected Yes Replace the heat assy No Replace the power supply unit Yes Are the CN2 connectors of main control board and the power supp...

Page 74: ...t when an image problem is output as a result of the printing Figure 6 3 is an example of image problem output Symptom An image is light or blurred entirely Figure 6 3 A Flowchart No 1 2 3 4 5 6 7 8 D...

Page 75: ...t plate of the transfer roller in correct contact with the high voltage power supply board P2H See Figure 6 4 F Yes Is the terminal of the I D unit in correct contact with the contact plate See Figure...

Page 76: ...ter Refer to Replacing the Drum Cartridge in User s Manual No Replace the main control board high voltage power supply board P2H or high voltage power supply board P6L 3 A blank paper is output Is the...

Page 77: ...power supply board P2H or high voltage power supply board P6L 5 Cyclic defect EP drum Cycle 1 98 50 3 mm Remedy Clean or replace the I D unit Developing roller 1 44 36 6 mm Replace the I D unit Toner...

Page 78: ...No Contact the terminal of the I D unit correctly Yes Replace the I D unit Has this error been recovered Yes End Caution After replacing the I D unit reset he drum counter Refer to Rplacing the Drum...

Page 79: ...g normal Tension 3 25 kg No Replace the bias spring Yes Are the heater connector of the heat assy and the CN1 connector of the power supply unit connected correctly No Connect the connectors correctly...

Page 80: ...End No Is the LED head installed correctly Check the HEAD1 HEAD2 connector of the main control board No Install the LED head correctly Yes Replace the LED head Has this error been recovered Yes End Ca...

Page 81: ...41260201TH Draft 81 106 Figure 6 4 Contents A Toner Supply Roller B Developing Roller C Charge Roller D Cleaning Roller E Transfer Roller F Heat Roller A E F B C D...

Page 82: ...41260201TH Draft 82 106 Figure 6 5 Contents A Toner Supply Roller B Developing Roller C Charge Roller D Cleaning Roller E Ground Drum A B D C E...

Page 83: ...6 1 2 5 6 1 2 22 23 CN1 Control Interface CN10 CN1 1 23 CV0PN N 2 22 LED P 3 21 TNRSNS N 4 20 SDB2 P 5 19 PSIN N 6 18 SDBI P 1 6 5 4 3 2 1 5V 2 5V 3 CB2PWM 4 CB1PWM 5 GND 6 GND 7 17 5V 8 16 WRSNS N 9...

Page 84: ...41260201TH Draft 84 106 7 2 PCB Layout 7 2 1 Main Control Board HBX PCB CN10 IC2 1 2 CN1 CN4 HEAD2 19 1 1 12 HEAD1 14 1 36 18 CN2 1 1 8 2 CN7 CN8 1 1 2 4 CN5 3 6 1 4 2 7 5 8...

Page 85: ...41260201TH Draft 85 106 7 2 2 High Voltage Power Supply Board P2H PS2 PS1 PS4 SB DB CH TR CVSW PS3 CN7 CN1 CN1 CN2 P6L...

Page 86: ...41260201TH Draft 86 106 8 PARTS LIST Figure 8 1 Cover Assy Upper 7 6 5 4 1 2...

Page 87: ...r Upper 2 40412604 1 Tangerine Cover Upper 2 40412605 1 Lime Cover Upper 2 40412606 1 Grape 2 Lens 2 40413201 1 3 4 Guide Side L 2PP4128 1256P001 1 5 Guide Side R 2PP4128 1257P001 1 6 Gear Spur A 4PP4...

Page 88: ...41260201TH Draft 88 106 Figure 8 2 Base Frame Unit d d e f c U R J E D I C B A 0 9 8 7 5 s o u t 6 3 3 1 2 i x G H F m K N P L L Q S Z k g W X T w v T O M T T r Z Y T V l a b...

Page 89: ...083 1184P001 1 18 Gear R 3PP4083 1142P001 1 19 Idle Gear M 3PP4083 1181P001 1 20 Earth Plate A 3PP4083 1189P001 1 21 Side Plate M 3PP4083 1188P001 1 22 Idle Gear P 3PP4083 1182P001 2 23 Idle Gear 3R 4...

Page 90: ...0591202 1 230V 47 Bias Spring R Back Up Roller 4PP4083 1137P001 1 48 49 Sheet Guide 40562401 1 50 51 Heat Assy 40592801 1 120V Heat Assy 40592802 1 230V 52 Stopper Spring 40034001 1 53 Caution Label T...

Page 91: ...41260201TH Draft 91 106 6 3 4 2 A 0 1 7 8 B C Figure 8 3 Base Plate Unit...

Page 92: ...40535803 1 5 6 Program ROM 40780101 1 7 AC Cord 3YS4011 1315P001 1 USA AC Cord 3YS4011 1266P001 1 Continental AC Cord 3YS4011 1270P001 1 U K 8 Insulation Sheet B 40043001 1 9 10 High Voltage Power Sup...

Page 93: ...APPENDIX A LOCAL PRINTING DEMO PAGE PRINTING The following operation enables the OKIPAGE 8iM to print data by itself With the cover open turn on the AC switch and then close the cover The following pr...

Page 94: ...rinter side 36 pin receptacle Type 57 40360 Daiichi Denshi or equivalent Cable side 36 pin plug Type 57 30360 Daiichi Denshi or equivalent 2 Cable Cable length 6 feet 1 8 m max IEEE std 1284 1994 comp...

Page 95: ...PER END SELECT AUTOFD 0V 5V 0V INPUT PRIME FAULT 0V SELIN PR PR PR PR PR PR PR PR PR PR PR Parallel data sampling strobe Printer parallel input output data Completion of input data reception The OKIPA...

Page 96: ...PUT PRIME timing when the INPUT PRIME signal is enabled c Data sending timing nibble mode PARALLEL DATA DATA BITs 1 to 8 DATA STROBE ACKNOWLEDGE BUSY 0 5 s min 0 5 s min 0 5 s min 0 5 s max 0 5 s min...

Page 97: ...apple Note Cable is not supplied 3 Interface signal 4 Timing chart and level Signal Name XCLOCK Transmit data minus Signal ground Receive data minus Transmit data plus Receive data plus Pin No 1 2 3 4...

Page 98: ...41260201TH Draft 98 106 5 Connector Pin Arrangment 6 Modes RS422 Synchronous serial 8 6 5 4 3 2 1 7...

Page 99: ...A type plug 2 Cable USB Printer Cable made by In System Design Inc 3 Interface signal 4 Timing chart and level 5 Connector Pin Arrangment 6 Modes Satisfy the Universal Serial Bus Specification Revisio...

Page 100: ...can use this window to set the engine menu display or initialize each counter value and show this printer s version information 1 1 Printer Status group This area monitors the status of a printer and...

Page 101: ...No 1 066 069 F W default 041 043 600dpi No 21 LED Head Width Shown message LED Head Width Setting item Designates the number of physical dots in LED Head Setting range Full 2560 dots Narrow 2496 dots...

Page 102: ...set to clear the indicated count of each counter Note The page count will be disabled if the number of pages excesses 500 inca pable of being reset afterwards Reset All button A click to the button wi...

Page 103: ...m the operator It will decide a print emulation from the extension of a selected file XXX HBP Switches the printer to Hiper Windows emulation and sends a file XXX PRN Switches the printer to PCL emula...

Page 104: ...zero This is the equivalent function to Engine Reset Engine Maintenance Mode for OL600e 610e However the items which have been selected disable by the initial file cannot be initialized even in other...

Page 105: ...nter among GUI setting values in engine menu group When a connected printer does not support some menu items they are displayed in faint color gray incapable of being selected without setting values s...

Page 106: ...H Draft 106 106 2 6 About button Displays the version number of maintenance utility and virtual device driver and the information of firmware for this printer 2 7 Exit button Terminates the maintenanc...

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