Adjustment; Basic Adjustment; Basic Adjustments; Adf Height Adjustment - Canon DADF-Q1 Service Manual

[1]
3) Clean the manual feed registration roller [3] with lint-free paper or a cloth
mounted with alcohol.
[1]
4) Shift up the DADF, and open the delivery lower guide [4]; then, clean the
manual feed registration roller member [5] with lint-free paper or a cloth
moistened with alcohol.

4.3 Adjustment

4.3.1 Basic Adjustment

4.3.1.1 Basic Adjustments

The basic adjustments of the DADF consist of the following, which must be
performed in sequence:

[1] ADF height adjustment

[2] ADF right angel adjustment
[3] Skew correction
[4] Horizontal adjustment
[5] Original stop position adjustment

4.3.1.2 ADF Height Adjustment

1) Remove the front cover [1].
-Three screws [2] (remove)
-One screw [3] (loosen)
[2]
F-4-39
F-4-40
[1]
[2]
F-4-41
F-4-43
F-4-44
2) Make adjustments by loosening the two fixed screws [5] on the magnet
catch so that the left and right rubber feet are in contact with the base
when the DADF is closed.
0011-2714
[3]
3) After the adjustment, tighten the fixing screws on the magnet catch, and
mount the front cover.
0011-2715

4.3.1.3 ADF Right Angle Adjustment

This adjustment is to adjust the right angle made by the copier's scanner and
the DADF's original feed path.
1) Using an A4 or LTR sheet of copy paper, prepare a test chart as shown.
F-4-42
[1] [3] [2]
[2] [3] [1]
F-4-45
Chapter 4
[3]
0011-2718
4-13