Canon iR4570 Series Service Manual page 103

F-2-52
[1]
F-2-53
[1]Paper feed direction
5) Tighten the fixing screw of the manual feed tray
upper cover.
6) Put paper in the manual feed tray.
7) Make a copy, and check to make user that the left
margin of the image on paper picked up from the
manual feed tray is 2.5 +/-1.5 mm.
- Adjusting the Margin (2nd side)
Make adjustments separately for both small paper and
large paper:
small paper: A4, B5, and the like whose length in feed
direction is shorter than LTR.
large paper: A3, A4R, B5R, and the like whose length
in feed direction is longer than LTR.
1) Put small paper in the cassette 1 and large paper in
the cassette 2.
2) Make a double-sided copy using the cassette 1, and
check to be sure that the left margin L1 of the image
on the 2nd side is 2.5 +/-2.0 mm.
image
[1]
F-2-54
[1]Paper feed direction
3) If not as indicated, change the small paper 2nd side
horizontal registration setting.
small paper:
COPIER>ADJUST>FEED-ADJ>ADJ-REF
An increase of '1' will increase the left margin of the
image by 0.1 mm.
4) Enter the new value (obtained as the result of the
foregoing adjustment) as the large paper 2nd side
horizontal registration setting.
Large paper:
COPIER>ADJUST>FEED-ADJ>ADJ-RE-L.
5) Make a double-sided copy using the cassette 2, and
check to make sure that the left margin of the image
on the 2nd side is 2.5 +/-2.0 mm.
[1]
F-2-55
[1]Paper feed detection
6) If not as indicated, change the large paper 2nd side
horizontal registration adjustment setting.
large paper:
COPIER>ADJUST>FEED-ADJ>ADJ-RE-L
An increase of '1' will increase the left margin of the
image by 0.1 mm.
- Leading edge margin
Make a copy using the cassette 1, and check to be sure
that the leading edge margin L1 is 2.5 +/-1.5 mm. If
Chapter 2
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service mode
service mode
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service mode
2-19