E100 - Canon CLC5000 Service Manual

CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS

4.1.26 E100

a. E100-xx01
Laser shutter
1) Is the operation of the laser shutter normal?
NO:
DC power supply PCB 1 (lower)
2) Is power present at J2101 on the DC controller PCB?
NO:
Video controller PCB
Laser driver PCB
3) Is there a fault in the connection between the video controller PCB
YES: Re-connect it.
Laser exposure system
4) Is the laser power normal?
NO:
BD unit
Laser driver PCB
5) Clean the light-receiving face of the BD unit. Is the problem cor-
YES: End.
NO:
You can find out whether the cause of 'E100' has been removed or not by
executing 'FUNC > EPC > EPC'.
Memo
5-136
Replace the faulty part.
J2101-1 (+) — J2101-4 (–): 5V
J2101-8 (+) — J2101-9 (–): 8V
J2101-7 (+) — J2101-8 (–): –12V
Check the wiring; if normal, replace the DC power supply PCB 1
(lower).
and the laser driver PCB of the every color?
C J2106 — J3002C
J2107 — J3001C
M J2108 — J3002M
J2109 — J3001M
Y J2110 — J3002Y
J2111 — J3001Y
Bk J2112 — J3002K
J2113 — J3001K
Adjust it. If output is absent, replace the laser unit.
rected?
Replace the following parts in the order indicated:
• BD unit
• Video controller PCB
COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON CLC5000 REV.0 JAN. 2001