Adjusting The Horizontal Registration/Angle - Canon Finisher-AB1 Service Manual

5.3.1.2 Adjusting the Horizontal
Registration/Angle
If the vibration is excessive (i.e., the horizontal
registration unit shifts excessively), or the skew is
excessive on this machine, adjust the horizontal
registration/ skew correction as follows:
1. Checking the Adjustment Value
1) Turn on the finisher and then the host machine.
2) Open the front cover, and insert the door switch
actuator into the door switch [1].
F-5-12
3) Remove the switch cover [1] of the inside cover
(lower).
- 1 screw [2]
[2]
F-5-13
4) Set the DIP switch SW382 [1] on the switch PCB
as shown (1, 4, 6, and 8 at ON), and press the
enter button (SW385) [2]; in response, the LED
[3] will flash '0'.
[1]
[1]
0015-2221
SW382
SW381
SW383
(-)
[1]
5) Place a single sheet of A4/LTR paper, and select
ADF or copyboard mode; then, set '3' as the copy
count, and execute printing.
6) Check
adjustment value indicated by the LED [1].
The indication will be 'A' -> 'horizontal
registration adjustment value' -> 'b' -> 'skew
adjustment value'; take note of the values.
- horizontal registration adjustment value
(reference only): -3 to +3 mm (1 index:
equivalent of 1 mm)
- skew adjustment value (reference only); -2 to +2
mm (1 index: equivalent of 1 mm)
SW382
SW381
SW383
(-)
7) Press the enter button to end adjustment mode.
8) Turn off the host machine and then the finisher in
sequence.
[3]
SW384 SW385
(+) ENTER
[2]
F-5-14
the horizontal registration/angle
[1]
SW384 SW385
(+) ENTER
F-5-15
Chapter 5
5-7