Canon imageRUNNER ADVANCE C5051 Series Service Manual page 440

4
Parts Replacement and Cleaning > Option > Removing the ADF Unit > Adjustment procedure
b. Checking the height of rear height adjustment roll.
1) Push the paper (plain paper) to the protrusion of the stream reading glass and set it in the
position where the sheet of the stream reading glass is fully covered.
Protrusion Sheet Reading position
CAUTION:
Do not set it in the position where the original read position is covered by the paper.
2) Close the DADF.
3) Pull out the paper in the direction of the arrow and check that there is resistance.
4) If there is no resistance, execute the height adjustment.
4 Parts Replacement and Cleaning > Option > Removing the ADF Unit > Adjustment procedure
Paper Protrusion Sheet Reading position
F-4-377
F-4-378
■ Adjustment procedure
1) Rotate the fixing screw on top of the left hinge to adjust it.
To remove the space on the front: rotate it clockwise (black arrow direction)
To remove the space on the rear or both sides: rotate it counterclockwise (white arrow
direction)
2) Check the height again and make sure that the height is appropriate.
4-174
Blanking cover
Fixing screw
F-4-379
4-174