Adjusting The Perpendicularity - Canon DADF-AV1 Service Manual

■ Adjusting the Left Hinge Height
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 front 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.
■ Adjusting the Right Hinge Height
1. Adjust the height with the right hinge height adjusting screw.
CAUTION:
Loosen the lock nut before adjustment, and tighten it after adjustment.
• Turning the adjusting screw clockwise raises the right side height of the DADF.
• Turning the adjusting screw counterclockwise lowers the right side height of the DADF.

Adjusting the Perpendicularity

1. Copy the test chart with the DADF.
Hinge height adjusting screw
Lock nut
Hinge height adjusting screw
74
Lock nut
5. Adjustment