Canon DADF-Q1 Service Manual page 128

Chapter 4
2) Set the DIP switch (SW1) on the ADF controller PCB as indicated.
3) Place a single sheet [1] of A4 or LTR copy paper in the original tray.
4) Press the push switch (SW2) on the ADF controller PCB once.
- A single press on the push switch (SW2) causes the original to be picked
up and stopped on the copyboard glass.
J16 J15
J1
J2
J4
CB1
SW1
J5
DSP1
SW4SW3SW2
J3
J6
5) Open the ADF slowly, and check to make sure that C shown in the figure
is as indicated.
Original size
A4
LTR
Original
6) Close the DADF, and press the push switch (SW2) on the ADF controller
PCB once.
4-18
[2]
[1]
F-4-80
F-4-81
F-4-82
J14
J13
J12
IC8
J7 J8 J9 J10 J11
F-4-83
T-4-5
Value of C
3.1±1mm
11.9±1mm
F-4-84
- The original will be delivered to the delivery tray.
If the Value Is Not As Indicated
If the value is not as indicated, adjust the position of the original tray.
1) Loosen the tray fixing screw, and adjust the position of the original tray.
Screw
If C>3.1 mm for A4 or 11.9 mm for LTR, shift the manual feed tray toward
the rear.
If C<3.1 mm for A4 or 11.9 mm for LTR, shift the manual feed tray toward
the front.
2) At the end of the adjustment, loosen the original tray fixing screw.
3) Set the DIP switch (SW1) on the ADF controller PCB back to its initial
setting, and mount the ADF controller cover.
b. Manual Feed Tray Pickup
1) Remove the screw [1], and detach the ADF controller cover [2].
2) Set the DIP switch (SW1) on the ADF controller PCB as indicated.
3) Open the manual feed tray, and place a single sheet of A4 or LTR copy
paper.
- Be sure to butt the copy paper against the rear.
Screw
Original tray
F-4-85
[2]
[1]
F-4-86
F-4-87
Manual feed tray
F-4-88