Foggy Background - Konica Minolta bizhub 40P Service Manual

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Field Service Ver. 1.0 Dec. 2007

Foggy background

A. Typical faulty images

B. Troubleshooting procedure

Toner cartridge

Is the PC drum scratched?

Is the developing bias contact ter-

minal in good contact with its mat-

Is the PH window dirty?

Is the problem eliminated after

checks have been made through

15. Image quality problems

Replace the toner cartridge.

Clean the contact terminal or

check the terminal position.

Clean the PH window.

Replace the print control board

Replace the MFP board (MFPB).

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