6 Replace the developer unit and toner cartridge.
•Run test prints.
Has the problem been resolved?
No: Reinstall the original developer unit and continue.
Yes: Turn to TAG 002: Check & Problem Resolution.
7 Replace the photoconductor unit and main charger.
•Run test prints.
Has the problem been resolved?
No: Reinstall the original photoconductor unit and main charger, then continue.
Yes: Turn to TAG 002: Check & Problem Resolution. If the problem recurs, the toner may be old or contaminated.
8 Turn the printer off and unplug the power cord.
•Disconnect J/P40 and J/P24.
•Check
Is there continuity?
No: Repair or replace the connector or wiring from
Yes: Continue.
9 Is a meter with a high voltage probe available? No: Go to #11 in this TAG.
Yes: Continue.
10 Check the main charger, transfer charger, grid, and cleaning bias described in Chapter 9, “General Printer Maintenance” .
Are any of the values out of specification?
No: Go to #12 in this TAG.
Yes: Replace the high voltage unit, then turn to TAG 002: Check & Problem Resolution.
11 Replace the high voltage unit.
Has the problem been resolved?
No: Reinstall the original high voltage unit and continue.
Yes: Turn to TAG 002: Check & Problem Resolution.
12 Repair or replace the cleaner terminal assembly.
•Run test prints.
Has the problem been resolved?
No: Reinstall the original cleaner terminal assembly, then go back to #5 in this TAG.
Yes: Turn to TAG 002: Check & Problem Resolution.
Troubleshooting Analysis Guide (TAGs) |