Canon iR1570F, Service Manual

Page: 333 / 494

Chapter 12
12-7
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 Left/Right
Registration Adjustment
0006-3205
Using the ADF, make a copy of the sheet in Direct,
and check to make sure the left/right registration is 10
+/- 1 mm.
F-12-10
1) Pick the tab [1], and detach the white plate [2].
F-12-11
2) Loosen the screw [3], and move the slide guide to
the front/rear with reference to the index graduated
at 1-mm intervals until the registration is as
indicated.
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 Arch
Auto Adjustment
0006-3207
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
Copy of the test sheet
(feeding direction)
10±1mm
[1]
[2]
[3]