Canon DR-2580C Service Manual page 122

CHAPTER 5 TROUBLESHOOTING
4 Faulty document feeding (jam/double feed/wrinkles)
Cause/Faulty lo-
cation
Document
Roller
Parts in feed path
Drive transmission
system
5 Flatbed unit does not operate
Cause/Faulty
location
Installation
"Reading side"
setting
Motor (M3)
5-18
Step Check Item
1 Is the document within the
specifications (thickness, di-
mensions, fold, curl, etc.)?
2 Are the roller unit and retard
roller properly installed?
3 Are they dirty or deformed?
4 Are all parts that the docu-
ments contact properly in-
stalled (not loose or tilted)?
5 Is the surface in contact with
the document smooth (not
scratched, no burrs)?
6 Is any abnormal noise emitted
when feeding documents?
Are any gears broken or is the
belt tension failed?
Step Check Item
1 Are the I/F cable connection,
unlocking, and fixing to the
main body correct?
2 Is the "Reading side" set to
"Flatbed"?
3 Is the problem solved if the
optical motor is replaced?
COPYRIGHT © 2005 CANON ELECTRONICS INC.
Result
YES
Table 5-404
Result
YES
Table 5-405
Action
NO Ask the user to use
documents
specifications.
NO Install them properly.
NO Clean or replace them.
NO Install them properly.
NO Replace faulty parts.
Replace faulty parts. Ad-
just the belt tension.
Action
NO Set it properly.
NO Change the settings.
End.
CANON DR-2580C FIRST EDITION APR. 2005
within the