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