Canon DADF-AV1 Service Manual page 105

3. Check the front-left height of the DADF.
Set paper against the protrusion in such a manner that
the sheet is nearly hidden, and then close the DADF.
CAUTION:
Set paper so that it does not reach the document
reader.
Paper
4. Pull out the set paper.
Pull out the paper in the direction of the arrow to check
that slight resistance is felt.
■ Check the Right Hinge Height
1. Be sure that the white board is in close contact with
the front and rear copyboard glass when the DADF
is closed.
■ Order of Adjustment
When the front or rear side is floating:
1. Adjust the Left Hinge Height.
2. Adjust the Right Hinge Height.
3. Check the Left Hinge Height.
(Check the height of the Left Hinge. If the height is
inappropriate, adjust it again.)
When both sides are floating:
1. Adjust the Left Hinge Height.
2. Adjust the Right Hinge Height.
3. Adjust the Left Hinge Height.
4. Check the Right Hinge Height.
(Check the height of the Right Hinge. If the height is
inappropriate, adjust it again.)
NOTE:
Before adjusting the hinge height, remove the hinge
covers. After the adjustment, attach the hinge covers.
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6. Installation