3-190 Troubleshooting Analysis Guide (TAGs)
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 P40-40 to P24-3 for continuity.
Is there continuity?
No: Repair or replace the connector or wiring from P40-40 to P24-3, then turn to TAG 002:
Check & Problem Resolution.
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.
