6 Replace the developer unit and toner cartridge.

Run test prints.

Has the problem been resolved?

No: Reinstall the original developer unit and toner cartridge, then turn to TAG 811: Back- ground/Residual Images/Dark Prints.

Yes: Turn to TAG 002: Check & Problem Resolution. If the problem recurs, the toner/carrier mix may be old or contaminated.

Troubleshooting Analysis Guide (TAGs)

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