Troubleshooting Analysis Guide (TAGs) 3-153
5
Replace the photoconductor unit and main charger.
• Run test prints.
Has the problem been resolved?
No: Reinstall the original photoconductor unit and main charger and continue.
Yes: Run at least 200 test prints to detone the engine, then turn to TAG 002: Check & Problem
Resolution.
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
Produce a developed image on the photoconductor.
Is the developed image on the photoconductor correct?
No: Go to #11 in this TAG.
Yes: Continue.
8
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.
• Power-on-reset the printer.
• Run test prints.
Has the problem been resolved?
No: Continue.
Yes: Turn to TAG 002: Check & Problem Resolution.
9
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: Repair or replace the upper paper guide assembly, then turn to TAG 002: Check & Prob-
lem Resolution.
Yes: Continue.
