Canon Color Image Reader-F1 Service Manual page 79

5
Adjustment > Adjustment Method (ADF) > Adjusting the Height of the hinge > Adjust the height of the left hinge
3) Checking the front-left height of the ADF.
Set paper against the protrusions of the stream reading glass in such a manner that the
seat of the stream reading glass is nearly hidden.
CAUTION:
Set paper so that it does not reach the document reader.
4) Pulling out the set paper.
Pull out the paper in the direction of the arrow to check that you feel slight resistance.
■ Check the height of the right hinge
1) When the ADF is closed, the document hold sheet must be in contact with the document
glass.
5 Adjustment > Adjustment Method (ADF) > Adjusting the Height of the hinge > Adjust the height of the left hinge
Paper
F-5-7
F-5-8
■ Adjust the height of the left hinge
1) Adjust the height with the left hinge height adjusting screw.
CAUTION:
Loosen the lock nut before adjustment, and tighten it after adjustment.
• If the front spacer is floating, turn the adjusting screw clockwise to bring the spacer closer
to the glass.
• If only the rear spacer or both front and rear spacers are floating, turn the adjusting screw
counterclockwise to bring the rear spacer closer to the glass.
Hinge height adjusting screw
5-8
Lock nut
F-5-9
5-8