Contents - maintenance manual
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- system configuration
- printer configuration
- composition of optional items
- specifications
- interface specifications
- network interface specifications
- DESCRIPTION OF OPERATION
- electrophotographic process mechanism
- printing process
- counter specifications
- INSTALLATION
- Cautions, and do's and don'ts
- unpacking procedure
- printer installation instructions
- list of components and accessories
- assembly procedure
- connecting the power cord
- Installation and recognition confirmation of options
- Printing of the MENU MAP
- connection methods
- checking of paper used by the user
- REPLACEMENT OF PARTS
- notes on replacement of parts
- maintenance tools
- belt unit
- fuser unit
- left side cover
- right side cover
- rear cover assy
- LED Assy
- Main controller PCB, image drum motor, image drum lift-up motor and feed motor
- print engine controller pcb
- top cover assy
- top cover
- operator panel assy
- Board PRP
- Shaft-ejection Assy. (FU) and shaft-ejection Assy.(FD)
- Guide-ejection Assy.-lower, color-registration Assy. and relay board (P6Y)
- Fan (fuser), high-voltage power supply board, contact Assy fuser sensor Assy
- MPT Assy., MPT hopping roller, separator and pick-up roller
- registration roller assy
- Gear box, registration/hopping roller Assy. and solenoid
- Holder-switch Assy., low-voltage power supply fan and low-voltage power supply
- Belt motor Assy. and fuser motor Assy
- Side-R Assy. and side-L Assy
- Paper feed rollers (tray 2/3 (option))
- Paper feed roller (multi-purpose tray)
- Portions Lubricated
- MAINTENANCE MENUS
- System maintenance menu (For maintenance personnel)
- maintenance utility
- Functions of user's maintenance menu
- operator panel
- Normal self-diagnostic mode (Level 1)
- switch scan test
- motor clutch test
- test print
- color registration adjustment test
- print density adjustment test
- indication of consumable part counters
- indication of printed page counters
- Setup of self-diagnostic function
- Various types of print on the individual printer equipped with controller
- setup after replacement of parts
- setup of eeprom after replacement of cu pcb
- setup of destination
- about the manual setup of print density adjustment
- Administrator Menu List of the Printer
- CLEANING
- cleaning the led lens array
- cleaning of pickup rollers
- TROUBLESHOOTING PROCEDURES
- preparations for troubleshooting
- troubleshooting method
- preparing for troubleshooting
- LCD Display Malfunction
- Irregular Operation of the device after turning on the power
- Paper Feed Jam(Error 391:1st Tray)
- Paper Feed Jam (Error 380)
- Paper Feed Jam (Error 390:Multi-purpose Tray)
- Paper Path Jam(Error 381)
- Paper Exit Jam(Error 382)
- Duplex Print Jam(Error 370, 371, 372, 373, 383)
- Paper Size Error (Error 400, 401)
- ID Unit Up-Down Error(Service Call 140-143)
- Fuser Unit Error(Error 170-177)
- Motor Fan Error(Error 120, 127, 051)
- Option unit is not recognized
- LED head is not recognized(Error 131, 132, 133, 134)
- Fuse Cutout Error (Error 150-155)
- Connection Diagram
- image problem troubleshooting
- Color is totally pale (Fig.7.2 A)
- Background is dirty (Fig.7.2 B)
- Blank Print (Fig.7.2 C)
- Cyclic Print Trouble (Refer to Fig.7.2 E)
- Solid Black Print
- network troubleshooting
- check of fuses
- paper cassette switches versus paper size correspondence table
- CONNECTION DIAGRAMS
- Check of resistance values
- component layout
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44072903TH Rev.1 198 /Oki Data CONFIDENTIAL 7. TROUBLESHOOTING PROCEFRURES7.5.3 Image Problem TroubleshootingA: Light or fadedimage on wholepageB: Dirty Background C: BlankD: Vertical blackbelt or lineE: Defective imageof regular intervalF: Vertical whitebelt or lineFigure 7.2Note! Read a content of EEPROM chip on the old board and copy it to a newboard when exchanging a PU board.(1) Color is totally pale (Fig.7.2 A) ........................................................................... 199(1-1) Color is pale................................................................................................. 199(2) Background is dirty (Fig.7.2 B) .......................................................................... 200(2-1) Background is dirty (partly) ......................................................................... 200(2-2) Background is dirty (totally)......................................................................... 200(3) Blank Print (Fig.7.2 C) ........................................................................................ 201(3-1) Blank on the whole page ............................................................................. 201(4) Vertical lines are printed .................................................................................... 201(4-1) Thin vertical lines (with color) (See Fig.7.2 D) ............................................ 201(4-2) Thin vertical lines (without color) (See Fig.7.2 F) ........................................ 201(5) Cyclic Print Trouble (Refer to Fig.7.2 E) ............................................................ 202(5-1) Vertical cyclic print trouble .......................................................................... 202(6) Color registration is wide ................................................................................... 202(6-1) "IN ADJUSTING COLOR REGISTRATION" is shown only a short time .... 202(6-2) Although REG ADJUST TEST of the engine maintenancefunction is OK, Color drift is seen ............................................................... 202(7) Solid Black Print................................................................................................. 203(7-1) Solid black on a full page ............................................................................ 203(8) Cannot Print ....................................................................................................... 203(8-1) Wrong setting in the limited color print menu. ............................................. 203
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