Canon Color imageRUNNER C4580 Service Manual - page 586
Chapter 16
16-7
16.2.4 Treatment for ADF
Replacement
When replacing ADF or removing ADF from the
main unit, make the following adjustments.
1) Make a sheet of paper [1] for adjustment of the
scanning position using the paper (white paper) used
by users, following the procedures shown below.
á) Make a sheet of paper with the width of 40mm or
wider and height of 50mm or higher.
Tolerance with the width of 14mm: + or - 0.3
á)Draw a straight line at the position more than
15mm away from the right edge of the paper made in
Procedure with a (black) pencil.
Right angle accuracy: Not required (Right angle
accuracy does not affect the adjustment accuracy.)
áDraw a straight line at the position 14mm away
from the line drawn in Procedure áA to the left
direction (tolerance: + or - 0.3) with a (black) pencil.
F-16-20
2) Adjust the line [1] to the line between the sheet [2]
and the mold [3], and fix the paper at one position
with the cellophane tape [4].
Accuracy of attaching the measurement sheet: + or -
0.3mm
F-16-21
3)Execute the Service Mode
(COPIER>FUNCTION>INSTALL>STPD-POS).
14mm
15mm
or more
[1]
[4]
14mm
[3]
[2]
[1]