Canon iR3245, Service Manual

Page: 84 / 746

Chapter 2
2-16
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A-4) Tighten the fixing screw.
A-5) Put back the cassette 1.
A-6) Make a copy from the cassette 1 and check that the left margin is
within 2.5 +/- 1.5mm.
A-7) Install the grip (front right).
A-8) Install the right cover (lower front). (if continuing to adjust the
cassette 2, this is not needed.)
A-9) Close the cassette lower right cover and cassette upper right cover.
B. Adjusting the cassette 2.
B-1) Loosen one fixing screw [2] on the adjustment plate [1].
B-2) Move the adjustment plate back or forth in reference to the scale
checked by step 4). Moving the adjustment plate toward rear of the host
machine increases the left margin.
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B-3) Tighten the fixing screw.
B-4) Put back the cassette 2.
B-5) Make a copy from the cassette 2 and check that the left margin is
within 2.5 +/- 1.5mm.
B-6) Install the right cover (lower front).
B-7) Close the cassette lower right cover and cassette upper right cover.
<If the manual pickup feed unit is out of standard>
1) Remove the paper on the manual feed tray.
2) Move the tab [1] in the direction of the arrow and remove the MP side
guide plate stopper [2].
3) Loosen the 2 cover fixing screws [3] on the manual feed tray.
4) With reference to the value checked before, move the manual feed tray up-
per cover [4] back or forth. Moving the manual feed tray upper cover [4]
toward the rear of the host machine increases the left margin.
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5) Tighten the fixing screw on the manual feed tray upper cover.
6) Install the MP side guide plate stopper.
7) Set the paper on the manual feed tray.
8) Make a copy from the manual feed pickup unit and check that the left mar-
gin is within 2.5 +/- 1.5mm.
2. Left Margin adjustment (2nd side)
Make an adjustment for small paper and large paper respectively.
- Small paper: The paper that its length in paper feed direction is shorter than
LTR such as A4 or B5 etc.
- Large paper: The paper that its length is paper feed direction is longer than
LTR such as A3, A4R or B5R etc.
1) Set the small paper into the cassette 1 and the large paper into cassette 2.
2) Make a 2-sided copy from cassette 1 and check that the left margin L1 on
the 2nd side is within 2.5 +/- 2.0mm.
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[1] paper feed direction
3) If it is out of standard, change the adjustment values of left margin on 2nd
side for small paper.
- Service mode > COPIER > ADJUST > FEED-ADJ > ADJ-REFE
Increasing the value by "1" enlarges the left margin on 2nd side of small
paper by 0.1mm.
4) Enter the values adjusted by step 3) into the field for adjustment value of
left margin on 2nd side of large paper.
- Service mode > COPIER > ADJUST > FEED-ADJ > ADJ-RE-L
Increasing the value by "1" enlarges the left margin on 2nd side of large
paper by 0.1mm.
5) Make a 2-sided copy from the cassette 2 and check that the left margin on
the 2nd side is within 2.5 +/- 2.0mm.
6) If it is out of standard, change the adjustment values of the left margin on
2nd side for large paper.
- Service mode > COPYER > ADJUST > FEED-ADJ > ADJ-RE-L
Increasing the value by "1" enlarges the left margin on 2nd side of large
paper by 0.1mm.
7) Enter the new adjustment value on the service label.
3. Leading edge margin adjustment
1) Make a copy from the cassette 1 and check that the leading edge margin
L1 is within 2.5 +/- 1.5mm.
[1] [2]
[4]
[3]
image
L1
[1]