Service manual

FrameMaker Ver.5.5E(PC) Di152/Di183 TROUBLESHOOTING
01.09.04
T- 5 3
(7) Blank streaks or bands
Section Step Check Result Action
Output
system
1 PC Drum ground terminal is dirty,
scratchy, deformed, or damaged.
YES Clean, correct, or
change.
2 DB of IU is plugged with foreign matter
(such as paper dust).
YES Remove foreign matter.
3 PC Drum Charge Corona grid mesh and
Comb Electrode are dirty, scratchy,
deformed, or damaged.
YES Clean, correct, or
change.
4 Post-fusing guide plate is dirty, scratchy,
deformed, worn, or damaged.
YES Clean or change.
5 PH window of the PH Unit is dirty,
scratchy, or damaged.
YES Clean or change.
NO Change IU.
Input
system
1 Original Glass is dirty, scratchy, worn, or
damaged.
YES Clean or change.
2 Shading sheet reading portion (the por-
tion on the backside of the Original
Glass to which Original Width Scale is
affixed) is dirty.
YES Clean.
3 Scanner mirrors are dirty, scratchy, or
damaged.
YES Clean or change.
4 CCD Unit lens and CCD surface are
dirty or scratchy.
<Check Procedure>
Remove lens cover to check for possible
contamination.
YES Clean or change.
5 CCD Board (copier: PWB-J) connector
is loose.
YES Reconnect.
6 Control Board (copier: PWB-C) connec-
tor PJ1A is loose.
YES Reconnect.
NO Change CCD Unit.
Change Control Board
(copier: PWB-C).