E061 - Canon 1000 Service Manual

7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
17

E061

Cause Step
Laser exposure
system
Video controller
PCB
Primary charging
assembly
7-108
COPYRIGHT © 2001 CANON INC.
Checks
1 Is the value of 'VCCRT' (MCYK)
under 'ADJUST' in service mode the
same as that recorded on the service
label?
2 Check the detail code of 'E061' in
'JAM/ERR' under 'DISPLAY' in
service mode.
3 Is the operation of the laser shutter
normal?
4 Is the laser power normal?
5 Is the connection of each connector
on the video controller PCB normal?
6 Is the primary charging assembly
inserted properly?
7 Are the charging wires of the primary
charging assembly and the pre-
primary charging assembly broken?
8 Are the charging wires of the primary
charging assembly and the pre-
primary charging assembly soiled?
9 Is there electrical continuity between
charging wire, grid, and shielding
plate?
Further, is there a trace of leakage
on the primary charging assembly or
the pre-primary charging assembly?
10 Is the grid broken, slack, or soiled?
Yes/No
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
NO Enter the value recorded
in the service label.
Make the appropriate
checks prescribed for
each detail code.
NO Check the shutter assem-
bly.
NO Adjust it. If output is
absent, replace the laser
unit.
YES Replace the PCB.
NO Re-install it.
YES Re-install the charging
wire.
YES Clean them or re-install
them.
NO Replace the primary
charging assembly.
NO Replace the grid.