Canon iR4570 Series Service Manual page 699

7) Loosen the fixing screw [2] of the adjusting plate
[1].
8) While referring to the index you check in step 5),
move the adjusting plate back and forth. Moving the
adjusting plate toward the rear of the machine will
increase the margin along the image front.
F-13-29
9) Tighten the fixing screw.
10) Put the cassette 1 back into the machine.
11) Make a copy using the cassette 1 as the source of
paper; then, check to make sure that the margin in the
image front direction is 2.5 +/-1.5 mm.
12) Fit the grip (right front) in place.
13) Mount the right front cover of the machine.
- Adjusting the Cassette 2
6) Loosen the fixing screws [2] on the horizontal
registration adjusting plate [1] of the cassette.
7) While referring to the index you checked in step 5),
move the adjusting plate back and forth. Moving the
adjusting plate toward the rear of the machine will
increase the margin along the image front.
F-13-30
8) Tighten the fixing screw.
9) Put the cassette 2 back in place.
10) Make a copy using the cassette 2 as the source of
paper, and check to make sure that the margin in the
image front direction is 2.5 +/-1.5 mm.
11) Mount the right front cover.
- margin adjustment (2nd side; small-size)
1) Make a double-sided copy (small-size) using the
cassette you have adjusted for the 1st side as the
source of paper, and check to make sure that the front
margin is 2.5 +/-2.0 mm.
(-) (+)
0
2
4
6
8
10
2.5 ±2.0 mm
F-13-31
2) If the value is not as indicated, change the
adjustment value of the 2nd side horizontal
registration for small-size.
- COPIER>ADJUST>FEED-ADJ>ADJ-REFE
An increase of '1' will decrease the margin at the front
Chapter 13
13-15