Canon iR3245, Service Manual

Page: 429 / 746

Chapter 14
14-1
14.1 Image Adjustments
14.1.1 Standards for Image Position
0019-0516
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
A print made at a magnification of 100% must meet the following standards
for image margin/non-image width:
T-14-1
14.1.2 Adjusting the Image Position
0019-0518
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
Copy 10 sheets from each pickup position to check that the image margin
and non-image area is within the standard.
- Each cassette
- Pickup tray
- Side paper deck
If it is not within the standard, go through the following procedures to adjust
it.
1. Adjusting the Leading Edge Image Margin
Use service mode to make adjustments:
COPIER> ADJUST> FEED-ADJ> REGIST
F-14-1
2. Adjusting the Left Image (1st side)
Mechanical Horizontal Registration Adjustment
The adjustment method varies depending on the pickup position.
(page 14-
2)
[Left End Margin Adjustment (each pickup position basis)]
3. Adding the Left Image Margin (2nd side)
Small Size
Use service mode to make adjustments:
COPIER> ADJUST> FEED-ADJ> ADJ-REFE
F-14-2
Large Size
Use service mode to make adjustments:
COPIER> ADJUST> FEED-ADJ> ADJ-RE-L
F-14-3
Leading
Edge Non-
Image
Width
Left Non-
Image
Width
Margin
Along the
Leading
Edge
Left Image
Margin
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
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
If changing the value of service mode item in this adjustment, enter the
changed value in the service label.
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
Image left edge
Increase the
ADFJ-REFE value.
(an increase of '10' will
increase the non-image
width by 1 mm)
Decrease the
AD-J-REFE setting.
(a decrease of '10' will
decrease the non-image
width by 1 mm)
10
8
6
5
4
2
0
2nd side of
small-size
double-sided
copy : 2.5 2.0mm
Paper left edge
Increase the
ADJ-RE-L setting.
(an increase of '1' will
decrease the margin
by 0.1 mm) Decrease the
ADJ-RE-L setting
(a decrease of '1' will
increase the margin
by 0.1 mm)
10
8
6
5
4
2
0
2nd side of large-size
double-sided copy
: 2.5 2.0mm