Canon iR4570 Series, Service Manual

Page: 617 / 876

Chapter 13
13-1
13.1 Image Adjustments
13.1.1 Standards for Image
Position
0007-4812
iR2270 / iR2870 / iR3570 / iR4570
A print made at a magnification of 100% must meet
the following standards for image margin/non-image
width:
- Margin Along the Leading Edge
F-13-1
- Left/Right Image Margin
F-13-2
- Leading Edge Non-Image Width
F-13-3
- Left/Right Non-Image Width
F-13-4
13.1.2
Adjusting the Image
Position
0007-4813
iR2270 / iR2870 / iR3570 / iR4570
Using the source of paper indicated, make 10 prints
each to see if the image margin and the non-image
margin are as indicated:
[1] Cassettes
[2] Manual feed tray
[3] Side paper deck
If not as indicated, adjust the image position as
follows:
1.Adjusting the Leading Edge Image Margin (1st
side)
Adjust the registration in service mode:
COPIER > ADJUST > FEED-ADJ > REGIST
F-13-5
2. Adjusting the Left/Right Image (1st side)
Mechanical Horizontal Registration Adjustment
3. Adjusting the Leading Edge Image Margin (2nd
side)
Adjust the registration in service mode:
2 5 4 6 8 10 12 14 16 18 20 0
2.5 1.5mm
2nd side of double-sided copy
2.5 2.0mm
10
8
6
5
4
2
0
2.5 1.5mm
2nd side of double-sided copy
2.5 2.0mm
2 5 4 6 8 10 12 14 16 18 20 0
2.5 1.5mm
2nd side of double-sided copy
2.5 1.5mm
10
8
6
5
4
2
0
2.5 1.5mm
2nd side of double-sided copy
2.5 1.5mm
Paper
leading edge
Decrease the REGIST setting.
(a decrease of '10' will
increase the margin by 1 mm)
Increase the REGIST setting.
(an increase of '10' will
increase the margin by 1 mm)
2 5 4 6 8 10 12 14 16 18 20 0
1st side of copy : 2.5 1.5mm