Canon DR-2580C Service Manual page 119

4 Faulty images of flatbed unit
Cause/Faulty
Step
location
Document
board glass
Gear, belt, guide
shaft
Motor (M3)
Optical unit
COPYRIGHT © 2005 CANON ELECTRONICS INC.
Check Item
1 Is the document board glass
clean?
2 Does the optical unit move
smoothly?
3 Is the problem solved when the
optical motor is replaced?
4 Is the problem solved when the
optical unit is replaced?
CANON DR-2580C FIRST EDITION APR. 2005
Result
YES
YES
Table 5-303
CHAPTER 5 TROUBLESHOOTING
Action
NO Clean it.
Clean the inside glass
surface if necessary.
NO Adjust assembling.
includes the belt tension
adjustment.)
Replace parts.
End.
End.
(It
5-15