Konica Minolta bizhub C35 Service Manual page 284

DRAFT
Field Service Ver. 1.0 Feb. 2010
16.2.22 Printer monocolor: blank copy, black copy
A. Typical faulty images
B. Troubleshooting procedure
Step Section
1 Image check
2 Imaging unit
3
4 High voltage unit/ Connector is connected properly.
5
Blank copy
Check item
A blank copy occurs.
Coupling of drum unit drive mech-
anism is installed properly.
The PC drum charge corona
voltage contact or PC drum
ground contact of the imaging unit
is connected properly.
The problem has been eliminated
through the check of step 4.
16. IMAGE QUALITY PROBLEM
Black copy
Result Action
YES Check PH unit connector for
proper connection.
NO Check and correct drive
transmitting coupling.
Change imaging unit.
NO Check, clean, or correct the con-
tact.
NO Reconnect.
NO Change high voltage unit.
→ Change printer control board
→ Change PH unit.
→ Change MFP board.
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