Minolta Di251 - Troubleshooting Procedures Classified by Image Failure; Blank Copy

FrameMaker Ver.5.5(PC) Di251/Di351 TROUBLESHOOTING
05.03.01
T- 4 8
5-3. Troubleshooting Procedures Classified by Image Failure
(1) Blank Copy
Section Step Check Result Action
Engine
1 Developing Unit is driven properly. NO Correct or change drive
coupling mechanism.
2 Image transfer current contact terminal
is dirty or deformed.
YES Clean or change.
3 Developing bias contact terminal is
dirty or deformed.
YES Clean or change.
4 PH shutter (the one located on the
laser beam path between PH Assy and
PC Drum) opens and closes properly.
NO Correct.
5 PC Drum protective shutter opens and
closes properly.
NO Correct.
6 Master Board and PH Assy are con-
nected properly.
YES Change I/C.
Change PH Assy.
Change High Voltage
Unit.
Change Master Board.
NO Correct.
IR
1 CCD2 Board and MFB2 Board are
connected properly.
NO Correct.
2 MFB2 Board and Master Board are
connected properly.
YES Change CCD Unit.
Change MFB2 Board.
NO Correct.
<Typical Faulty Images>
4011T516AA