(13) Periodically Uneven Image - Minolta Di200 Service Manual

(13) Periodically Uneven Image

Section Step
1 Developing Unit is driven properly.
2 PC Drum and Image Transfer Roller
are driven properly.
3 Synchronizing Roller is driven properly.
Engine
4 Fusing Unit is driven properly.
5 PH Assy is installed properly.
1 Scanner Motor is driven properly.
2 Scanner Drive Cables are wound prop-
erly.
3 Scanner rails are damaged or dirty
with foreign matter.
IR
4 CCD2 Board and MFB2 Board are
connected properly.
5 MFB2 Board and Master Board are
connected properly.
<Typical Faulty Images>
4011T528AA
Check
T-60
Result Action
NO Correct or change drive
coupling mechanism.
NO Correct or change drive
coupling mechanism.
NO Correct or change drive
coupling mechanism.
NO Correct or change drive
coupling mechanism.
YES Change I/C.
Change Master Board.
NO Correct.
NO Correct or change drive
coupling mechanism.
NO Wind cables properly.
YES Clean or change.
NO Correct.
YES Change CCD Unit.
Change MFB2 Board.
NO Correct.