Canon iR C6800 Series, Service Manual

Page: 834 / 1404

Chapter 12
12-16
12.2 Image Adjustments
12.2.1
Image Position
0003-8718
The margin and the nonimage width of a printout
made at 100% magnification must be as follows:
Leading Edge Margin
F-12-7
Left/Right Margin
F-12-8
Leading Edge NonImage Width
F-12-9
Left/Right NonImage Width
F-12-10
12.2.2 Checking the Image
Position
0003-8719
Make 10 prints using the following as the source of
paper; then, check to see if the margin and the non
image width are as indicated:
1 cassettes
2 manual feed tray
3 left/right front deck
If outside the standards, make the following
adjustments:
1. Leading Edge Image Margin Adjustment (1st side)
Execute the following service mode to adjust the
registration:
COPIER > ADJUST > FEEDADJ > REGIST
F-12-11
2. Left/Right Image Margin Adjustment
Adjust the horizontal registration mechanically.
3. Leading Edge Image Margin Adjustment (2nd side)
Execute the following service mode items to adjust
the registration:
2 5 4 6 8 10 12 14 16 18 20 0
4.0+1.5/-1.0mm
[double-sided copy, 2nd side:4.0+1.5/-1.0mm]
10
8
6
5
4
2
0
2.5+1.5mm/-1.5mm
(double-sided copy, 2nd side
:2.5+2.0mm/-2.0mm)
2 5 4 6 8 10 12 14 16 18 20 0
4.0+1.5/-1.0mm
10
8
6
5
4
2
0
2.5+1.5mm/-1.5mm
Paper leading edge
decrease the setting of REGIST.
(an increase by 10 will decrease the margin by 1 m
Increase the setting of REGIST.
(an decrease by 10 will decrease the margin by 1 m
2 5 4 6 8 10 12 14 16 18 20 0
Copy, 1st side:4.0+1.5/-1.0mm