Oki Data CONFIDENTIAL
44871001TH Rev.6
8-66
8. TROUBLESHOOTING PROCEDURES
The white section is dirty
• Istheimagedrumexposedbytheexternallight?
• Yes Installtheimagedrumintheprinterandwait30minutes.
• No From [MAINTENANCE MENU], select [PAPERBLACK SET] - [SMR
SETTING] and set a larger value for adjustment.
• Hasthetroublebeensolved?
• Yes Completed.
• No From [MAINTENANCE MENU], select [SMR SETTING] and set a
smaller value for adjustment.
• Hasthetroublebeensolved?
• Yes Completed.
• No Istheheatrollerofthefuserunitassydirty?
• Yes Cleantheheatroller.
• Hasthetroublebeensolved?
• Yes Completed.
• No Replacetheimagedrumcartridge.
• Hasthetroublebeensolved?
• Yes Completed.
• No Replacethemainboard,high-voltagepower/sensorboard.
Vertical black belt/ Black line
• CleantheLEDlensarrayoftheLEDhead.
• Hasthetroublebeensolved?
• Yes Completed.
• No ReplacetheLEDhead.
• Hasthetroublebeensolved?
• Yes Completed.
• No Replacetheimagedrumcartridge.
• Hasthetroublebeensolved?
• Yes Completed.
• No Replacethemainboardorhigh-voltagepowersupplyunit.
White paper is outputted
• Is the LED head appropriately connected? (Check the HEAD connector of the
main board and the PC connector of the LED head.)
• No ConnecttheLEDheadappropriatelyorreplacetheheadcable.
• Yes Is the image drum cartridge appropriately connected to the earth
contact? (See Figure 7-2
)
• No Adjusttheearthcontact(drum)ofthecontactassembly.
• Yes ReplacetheLEDhead.
• Hasthetroublebeensolved?
• Yes Completed.
• No Replacethemainboardorhigh-voltagepowersupplyunit.
Periodic failure
Cycle Handling
Image Drum 94.25mm Replace or clean the image drum cartridge.
Developing roller 39.68mm Replace the image drum cartridge.
Toner supply roller 58.36mm Replace the image drum cartridge.
Charging roller 37.70mm Replace the image drum cartridge.
Transfer roller 51.52mm Replace the transfer roller.
Heat roller 88.12mm Replace the fuser unit Assy.
Back-up roller 89.54mm Replace the back-up roller.
To Next Page
Loading...
