Oki B431L6

6. Procedures for Repairing
Oki Data CONFIDENTIAL
44983601TH Rev.1
6-21 /
Vertical black belt/ Black line
• CleantheLEDlensarrayoftheLEDhead.
• Hasthetroublebeensolved?
• Yes Completed.
• No ReplacetheLEDhead.
• Hasthetroublebeensolved?
• Yes Completed.
• No Replacetheimagedrumcartridge.
• Hasthetroublebeensolved?
• Yes Completed.
• No Replacethemainboardorhigh-voltagepowersupplyunit.
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.