Minolta Di151 Service Manual page 104

FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING
00.03.10
(13) Periodically uneven image
Section Step
1 Sleeve Roller drive gear is
cracked or contaminated with
foreign matter.
2 Developing Unit drive gear is
cracked or contaminated with
foreign matter.
3 PC Drum drive gear is cracked
or contaminated with foreign
matter.
Engine
4 Image Transfer Roller drive
gear is cracked or contami-
nated with foreign matter.
5 Fusing Unit drive gear is
cracked or contaminated with
foreign matter.
6 PH Unit is securely fastened.
1 Scanner Motor drive gear is
cracked or contaminated with
foreign matter.
2 Scanner Motor is secured in
position.
3 Timing Belts are loose.
IR
4 Scanner rails are damaged or
contaminated with foreign
matter.
5 Scanner guide shaft is dam-
aged or contaminated with for-
eign matter.
Check Result
YES Clean.
YES Clean.
YES Clean.
YES Clean or change.
YES Clean or change.
YES Change PH Unit.
NO
YES Clean or change.
NO
YES Adjust.
YES Clean or change.
YES Clean.
T-26
Action
Change I/C.
Change I/C.
Change I/C.
Secure in position.
Secure in position.
Change Scanner.