Blank Copy, Black Copy - Konica Minolta bizhub C30P Service Manual

16. Image quality problems
16.1.12

Blank copy, black copy

A. Typical faulty images
B. Troubleshooting procedure
Step Section
1 Image check
2
Print unit
3
High voltage
unit/1,
4
High voltage
unit/2
5
212
blank print
4036fs4038c0
Check item
Does a blank print occur?
Is the coupling of the print unit
drive mechanism installed prop-
erly?
Is the charge corona voltage con-
tact or photo conductor ground
contact of the print unit connected
properly?
Is the connector corrected prop-
erly?
Has the problem been eliminated
through the checks of steps up to
4?
Field Service Ver. 2.0 May 2007
black print
4036fs4039c0
Result
Check the PH unit connector for
YES
proper connection.
Check or correct drive transmit-
NO ting coupling or change the print
unit.
Check, clean, or correct the con-
NO
tact.
NO Reconnect.
Change high voltage unit /1.
Change high voltage unit /2.
NO
Change the MFP board.
Change the PH unit.
Action