5 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. If the problem recurs, the toner carrier mix may be old or contaminated.
6 Produce a developed image on the photoconductor.
Is a developed image on the photoconductor?
No: Go to #10 in this TAG.
Yes: Continue.
7 Remove and clean the transfer charger unit.
•Clean the transfer charger unit contacts in the upper paper guide.
•Inspect the transfer charger contacts for proper alignment.
•Reinstall the transfer charger unit.
•
•Run test prints.
Has the problem been resolved?
No: Continue.
Yes: Turn to TAG 002: Check & Problem Resolution.
8 Turn the printer off and unplug the power cord.
•Remove the transfer charger unit.
•Check the lower transfer charger unit contact, with the upper paper guide assembly in its fully upright position, for continuity to ground.
Is there continuity?
No: Replace the upper paper guide assembly, then turn to TAG 002: Check & Problem Resolution .
Yes: Continue.
9 Replace the transfer charger unit.
•
•Run test prints.
Has the problem been resolved?
No: Replace the upper paper guide assembly. If this resolves the problem, turn to TAG 002: Check & Problem Resolution. If this does not resolve the problem, replace the high voltage unit, then turn to TAG 002: Check & Problem Resolution.
Yes: The transfer charger unit was at fault. Turn to TAG 002: Check & Problem Resolution.
Troubleshooting Analysis Guide (TAGs) |