Canon iR5055, Service Manual

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Chapter 2
2-15
F-2-56
6) Close the cassette.
2.2.18 Changing the Media Size of the Front Deck (Left/
Right)
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iR5065 / iR 5055 / iR5075 / iR5075N / iR5065N / iR5055N
1) Hold down the release button to slide the deck out.
2) Remove one of each screw [4] of the trailing edge plate [1], the left guide
plate [2] and the right guide plate [3]. Secure the each guide plate in place
on user desired size.
Factory setting: A4 size
3) After changing the size, place the paper and set the deck into the host ma-
chine.
F-2-57
4) Attach the new media size label onto the media size plate of the deck.
5) In case the size is changed, register the front deck media size in service
mode.
Right deck: COPIER > OPTION > CST > P-SZ-C1
Left deck: COPIER > OPTION > CST > P-SZ-C2
A4=6, B5=15, and LTR=18
2.2.19 Image/Operation Check in User Mode
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iR5065 / iR 5055 / iR5075 / iR5075N / iR5065N / iR5055N
1) Press [Reset] twice and return to the main screen. Using test sheet, check
the copy operation and copy image.
- Copy operation: Check to see that the copy operation is appropriate.
- Duplexing copy operation: Check to see that the paper feeding at the
duplexing unit is appropriate.
- Pickup operation: Check to see that the paper is fed normally from the
each pickup slot.
- Operation noise: Check to see that there is no abnormal noise.
- Fixed ratio reproduction: Check the image quality for each fixed ratio
reproduction.
- Multiple copies: Check to see that the copy operation for a specified
number of sheets is appropriate.
- Check to see that print images picked up from each cassette/deck are
within the scope of specifications.
Specification for image left end margin: 2.5 -/+1.5mm
Specification for image leading edge margin: 4.0-1.5/-1.0mm
In case the values is/are out of the scope of the specifications, see
'Adjustment of image left end margin' and 'Adjustment of image leading
edge margin'.
* In case there is a difference in density between the left and the right of the
image, adjust the height of the primary charging wire at the rear side to
correct it.
2) Check with the user to find out the size of paper to use, and set the paper
size of each cassette, and attach the size label to the cassette size plate.
3) Close each cassette.
2.2.20 Adjustment of Image Left End Margin
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iR5065 / iR 5055 / iR5075 / iR5075N / iR5065N / iR5055N
<Cassette 3/4>
1) Hold down the cassette release button, and then slide Cassette 3 and 4 out.
2) Loosen the 2 fixing screws [1] at the left/right of the cassette.
F-2-58
3) Adjust the position of the cassette body [1] by shifting it to the front or the
rear.
Shift to the rear = Decreases the left end margin
Shift to the front = Increases the left end margin
F-2-59
4) Tighten the 2 screws loosened at the step 2)
5) Close Cassette 3/4
6) Check that the left margin of the copied image from Cassette 3/4 is as fol-
lows : L1=2.5-/+1.5mm
[2]
[3]
[4]
[1]
[1]
[1]
[2]
[3]
[4]
[4]
Due to the drop of toner from the drum separation claw, there may be a
dirty image in the initial 10 sheets. This dirt disappears as copy volume
goes on.
[1]
[1]
[1]