Registration Adjustment; Auto Adjustment - Canon iR1200 Series Service Manual

A shift of the ADF upward by 1 mm will increase the
registration along the left bottom of the paper by about
0.5 mm.
3) Place A4 (LTR) paper in the cassette or the manual
feed tray.
4) Open the ADF, and place an A5 (STMTR) original
on the copyboard glass.
5) Close the ADF, and make a copy in Direct.
6) Check the copy image, and check to make sure that
the area outside the image is free of fogging.
7) If fogging is found, the position of the white sheet
may be wrong; check its positioning. If no fault is
found, try skew removal once again.
12.5.2.2

Registration Adjustment

Using the ADF, make a copy of the sheet in Direct,
and check to make sure the left/right registration is 10
+/- 1 mm.
10±1mm
(feeding direction)
F-12-10
1) Pick the tab [1], and detach the white plate [2].
[2]
[1]
F-12-11
2) Loosen the screw [3], and move the slide guide to
Left/Right
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Copy of the test sheet
the front/rear with reference to the index graduated
at 1-mm intervals until the registration is as
indicated.
[3]
F-12-12
MEMO:
A shift of the slide guide up by 1 mm will increase the
registration on the right (top of paper) by 1 mm.
Do not remove the screw [3]; otherwise, you must
work as instructed for mounting of the slide guide.
12.5.3 Adjusting the Ellectrical
System
12.5.3.1 Registration

Auto Adjustment

Adjust the registration arch for the ADF registration
roller as follows:
1) Press the Additional Functions key and the # key to
start service mode.
2) Press the Left/Right Arrow key so that 'TEST
Chapter 12
Arch
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12-7