Canon DADF-Q1, Service Manual

Page: 127 / 156

Chapter 4
4-17
F-4-72
4) Press the push switch (SW2) on the ADF controller PCB twice.
- A single press on the push switch (SW2) causes the original to be picked
up and stopped on the copyboard glass. (CW rotation) Another press will
reverse the original and stop it on the copyboard glass.
F-4-73
5) Open the DADF slowly, and check to make sure that A and B indicated in
the figure are 2 mm or less. Close the DADF, and press the push switch
(SW2) on the ADF controller PCB once.
- The original will be delivered to the delivery tray.
F-4-74
F-4-75
If the Value Is Not As Indicated
If the value is not as indicated, adjust the position of the registration roller.
1) Remove the front cover [1].
-Three screws [2] (remove)
-One screw [3] (loosen)
F-4-76
F-4-77
F-4-78
2) Loosen the fixing screw on the reversal registration roller mounting plate,
and slide it to the left and the right to adjust the mounting angle of the reg-
istration roller.
F-4-79
If A>0, slide the mounting plate to the left.
If B>0, slide the mounting plate to the right.
3) At the end of adjustment, tighten the fixing screw on the reversal registra-
tion roller mounting plate.
4) Set the DIP switch (SW1) on the ADF controller PCB back to its initial
setting, and mount the ADF controller cover.
4.3.1.5 Horizontal Registration Adjustment
0011-3454
Horizontal registration adjustment is made for the following two:
[1] Pickup from the original tray
[2] Pick up from the manual feed tray
a. Pickup from the Original Tray
1) Remove the screw [1], and detach the ADF controller cover [2].
J1
J2
J5
J3
J6 J7 J8 J9 J10
J16 J15
J11
J14
IC8
J13
J12
J4
CB1
SW1
DSP1
SW4SW3SW2
A B
Original
A 2mm
B 2mm
J1
J2
J5
J3
J6 J7 J8 J9 J10
J16 J15
J11
J14
IC8
J13
J12
J4
CB1
SW1
DSP1
SW4SW3SW2
Screw
Reversal registration roller
mounting plate