Service manual

FrameMaker Ver.5.5E(PC) Di350 TROUBLESHOOTING
98.12.09
T- 5 2
(12) Rough Image
Section Step Check Item Result Action
Engine 1 Is the Image Transfer Roller
dirty?
YES Clean or change.
2 Is the image transfer current ter-
minal intact?
YES Change HV1, I/C, PH Unit, or
PWB-A, in that order.
NO Check and change as neces-
sary.
IR 1 Do the connections from CCD to
HGB remain intact?
NO Reconnect.
2 Do the connections from HGB to
UN2 remain intact?
YES Change CCD, HGB, or UN2, in
that order.
NO Reconnect.
(13) Periodically Uneven Image
Section Step Check Item Result Action
Engine 1 Is the Developing Unit drive gear
cracked or dirty with foreign mat-
ter?
YES Clean or change.
2 Is the PC Drum drive gear
cracked or dirty with foreign mat-
ter?
YES Clean or change.
3 Is the Synchronizing Roller drive
gear cracked or dirty with foreign
matter?
YES Clean or change.
4 Is the Fusing Unit drive gear
cracked or dirty with foreign mat-
ter?
YES Clean or change.
5 Is the PH Assy secured properly? YES Change the I/C or PWB-A.
NO Secure properly.
IR 1 Is the Scanner Motor drive gear
cracked or dirty with foreign mat-
ter?
YES Clean or change.
2 Is the Scanner Motor secured
properly?
NO Secure properly.
3 Is the Scanner secured properly? NO Secure properly.
4 Are the Scanner Drive Cables
wound properly?
NO Wind the cables properly.
5 Are the Scanner rails damaged
or dirty with foreign matter?
YES Clean or change.
6 Do the connections from CCD to
HGB remain intact?
NO Reconnect.
7 Do the connections from HGB to
UN2 remain intact?
YES Change CCD, HGB, or UN2, in
that order.
NO Reconnect.