E100 - Canon ImageRunner 600 Service Manual

CHAPTER 13 TROUBLESHOOTING
27

E100

Cause Step
BD PCB
Laser output
Image processor
PCB
13-92-3
COPYRIGHT © 2000 CANON INC.
1 Select COPIER>DISPLAY>DPOT in
service mode. Is the reading of VLIM
between 62 and 82?
2 Is the reading of VDM between 432 and
452?
Checks
CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
Yes/No Action
YES Check the connection
of the BD PCB and the
IP PCB and the
position of the BD
PCB; if normal, replace
the BD PCB.
YES Check the following:
• laser output
• foreign matter in the
laser path
NO Replace the image
processor PCB.