Service manual

FrameMaker Ver.5.5E(PC) Di152/Di183 TROUBLESHOOTING
01.09.04
T- 5 9
(12) Periodically uneven image
Section Step Check Result Action
Output
system
1 IU is securely fastened using the dedi-
cated fixing screws.
NO • Secure in position.
2 PH Unit is securely fastened using the
dedicated fixing screws.
NO • Secure in position.
3 IU drive mechanism is dirty or damaged. YES • Clean or change.
4 PC Drum surfaces in contact with Ds Col-
lars and drive mechanism are dirty,
scratchy, deformed, or worn.
YES • Clean or change.
5 Synchronizing Roller drive mechanism is
dirty, scratchy, deformed, or worn.
YES • Clean or change.
6 Fusing Unit drive mechanism is dirty,
scratchy, deformed, or worn.
YES • Clean or change.
NO • Change Master Board
(copier: PWB-A).
Input
system
1 Scanner Motor (M5) is securely fastened
using the dedicated fixing screws.
NO • Secure in position.
2 Scanner Motor (M5) drive mechanism is
dirty or damaged.
YES • Clean or change.
3 Timing belt of the scanner drive mecha-
nism is dirty with foreign matter or out of
correct position.
YES • Remove foreign mat-
ter or reinstall belt.
4 Scanner drive mechanism pulley is dirty
with foreign matter, scratchy, deformed,
worn, or damaged.
YES • Remove foreign mat-
ter or change.
5 Scanner Drive Cables are wound incor-
rectly.
YES • Re-wind Scanner
Drive Cables.
6 Scanner rails and bushings are dirty with
foreign matter, scratchy, deformed, worn,
or damaged.
YES • Clean or change.
7 Scanner moves smoothly.
<Check Procedure>
Gently move the Scanner by hand to
check for smooth operation.
NO • Lubricate the Scan-
ner rails.
• Reinstall Scanner.
8 CCD Board (copier: PWB-J) connector is
loose.
YES • Reconnect.
9 Control Board (copier: PWB-C) connector
PJ1A is loose.
YES • Reconnect.
NO • Change CCD Unit.
• Change Control
Board (copier: PWB-
C).