TAG 810: Uneven Density or Dark Areas on Prints

Error Code:

810

Possible Defects: Photoconductor unit

Main charger

Developer unit

Cleaner unit

1 Perform the every-call cleaning procedure, described in Chapter 9, “General Printer Maintenance” .

Turn the printer on.

Run test prints.

Has the problem been resolved?

No: Continue.

Yes: Contamination was at fault. Turn to TAG 002: Check & Problem Resolution.

2 Check the voltages, as outlined in Chapter 9, “General Printer Maintenance” .

Are the voltages correct?

No: Replace the high voltage power supply unit, then turn to TAG 002: Check & Problem Resolution.

Yes: Continue.

3 Have the photoconductor unit, main charger, cleaner unit and developer unit with new toner cartridge been replaced recently?

No: Continue.

Yes: Go to TAG 811: Background/Residual Images/Dark Prints.

4 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: Turn to TAG 002: Check & Problem Resolution.

5 Replace the cleaner unit.

Run test prints.

Has the problem been resolved?

No: Reinstall the original cleaner unit and continue.

Yes: Turn to TAG 002: Check & Problem Resolution.

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Troubleshooting Analysis Guide (TAGs)