5 Replace the developer unit, toner cartridge, and cleaner unit.
•Turn the printer on.
•Run test prints.
Has the problem been resolved?
No: Reinstall the original developer unit and cleaner unit, then continue.
Yes: Turn to TAG 002: Check & Problem Resolution. If the problem recurs, the toner/carrier mix may be old or contaminated.
6 Turn the printer off and unplug the power cord.
•Disconnect J/P41, J/P23, and J/P24.
•Check
Is there continuity?
No: Repair or replace the connectors or wiring from
Yes: Continue.
7 Check
Is there continuity?
No: Repair or replace the connectors or wiring from
Yes: Continue.
8 Replace the main charger terminal assembly.
•Run test prints.
Has the problem been resolved?
No: Continue.
Yes: Turn to TAG 002: Check & Problem Resolution.
9 Replace the high voltage unit.
•Run test prints.
Has the problem been resolved?
No: Reinstall the original high voltage unit and continue.
Yes: Turn to TAG 002: Check & Problem Resolution.
10 Replace the printhead assembly.
•Run test prints.
Has the problem been resolved?
No: Reinstall the original printhead assembly and continue.
Yes: Turn to TAG 002: Check & Problem Resolution.
Troubleshooting Analysis Guide (TAGs) |