Faulty Feeding Of Originals (If Equipped With Adf Functions); Double Feeding; Skew - Canon iR1200 Series Service Manual

CHAPTER 7 TROUBLESHOOTING
5.5 Faulty Feeding of Originals (if equipped with ADF func-
tions)

5.5.1 Double Feeding

Original
1) Is the original placed correctly?
NO:
Stack of originals
2) Is the stack of originals placed in the original placement assembly
YES: Advise the user on the number of originals that may be placed.
Original
3) Is the original curled or do originals bond together because of static
YES: Advise the user that the cause is the originals. Remove the curl, or
Original separation pad, Pressure spring (original separation pad)
4) Is the surface of the original separation pad normal?
YES: Replace the pressure spring of the original separation pad.
NO:

5.5.2 Skew

Slide guide
1) Is the slide guide fitted correctly to suit the width of the original?
NO:
Original
2) Are originals of different widths placed together?
YES: Make sure that all originals are of the same width when placed on
Skew correction
3) Is the skew correction value appropriate?
NO:
If you have corrected the skew, check to be sure the settings of all other
adjustment items for the ADF are as indicated in specs.
Original separation pad, Roller (separation roller unit)
4) Clean the original separation pad and the rollers of the separation
YES: End.
NO:
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COPYRIGHT © 2002 CANON INC.
Place the original correctly.
more than allowed?
charge?
fan out the originals.
Clean it. If worn or faulty, replace it.
Fit it correctly.
the original placement area.
Execute skew correction. (See 1.3.3.1 of Chapter 7.)
roller unit. Is the problem corrected?
Replace the original separation pad or the rollers of the separation
roller unit.
2000 2000 2000 2000 CANON iR1200/iR1300 Series REV. 0 AUG. 2002