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
|
44072903TH Rev.1 193 /Oki Data CONFIDENTIAL 7. TROUBLESHOOTING PROCEFRURES7.5.2.(14) Option unit is not recognized(14-1) Duplex unit is not recognizedConfirmation Items Confirmation Tasks Action at NG(14-1-1) Duplex PCBDuplex unit Check to see if the Duplex unit in use conformsto the printer.Replace theDuplex unit.(14-1-2) Check of connectionsConnections fromPU PCB to DuplexPCB (V7Y PCB)Check to make sure that the cord is properlyconnected from OPTION connector ⑬ of thePU PCB to the Duplex PCB.Correct theconnections.Square connectorconnecting Duplexunit to the mainbodyCheck to see if there is any foreign matter in theconnecting part of the square connector.Remove theforeign matter.Square connectorconnecting Duplexunit to the mainbodyCheck to see if the pins of the square connectorare broken.Replace theconnector.(14-1-3) Check of control signalsSignals output fromPU PCB to DuplexPCB (V7Y PCB)Check the signals output from OPTIONconnector ⑬ of the PU PCB.6pin: TXD (PU-> DUP)4pin: RXD (DUP-> PU)Replace the PUPCB.(14-2) 2nd Tray unit is not recognizedConfirmation Items Confirmation Tasks Action at NG(14-2-1) 2nd tray PCB2nd tray unit Check to see if the 2nd tray unit in use conformsto the printer.Replace the2ndtray unit.(14-2-2) Check of connectionsConnections fromPU PCB to 2nd trayPCB (V7Y PCB)Check to make sure that the cord is properlyconnected from OPTION connector ⑬ of thePU PCB to the Duplex PCB.Correct theconnections.Square connectorconnecting 2ndtray unit to the mainbodyCheck to see if there is any foreign matter in theconnecting part of the square connector.Remove theforeign matter.Square connectorconnecting 2ndtray unit to the mainbodyCheck to see if the pins of the square connectorare broken.Replace theconnector.(14-2-3) Check of control signalsSignals output fromPU PCB to 2nd trayPCB (V7Y PCB)Check the signals output from OPTIONconnector ⑬ of the PU PCB.5pin: TXD (PU-> DUP)3pin: RXD (DUP-> PU)Replace the PUPCB.(14-3) 3rd Tray unit is not recognizedConfirmation Items Confirmation Tasks Action at NG(14-3-1) 3rd tray PCB3rd tray unit Check to see if the 3rd tray unit in use conformsto the printer.Replace the 3rdtray unit.Directly install the 3rd tray unit to the printer, and follow (14-2) toperform confirmation tasks.
|
