Canon DADF-Q1, Service Manual

Page: 136 / 156

Chapter 4
4-26
F-4-122
F-4-123
2) Pres the push switch (SW2).
- DSP 1 displays the current volume by flushing.
F-4-124
T-4-19
*0.1% (image reproduction ratio).
3) Press the push switch SW3 or SW4 on the ADF controller PCB to adjust
the speed of reversal by referring to theable.
F-4-125
T-4-20
4) At the end of the operation, press the push switch (SW2) on the ADF con-
troller.
4.3.3.5 Checking the Sensor Output
0011-3522
The DADF uses a 7-segment LED (DSP1) on its ADF controller PCB to al-
low a check on the presence/absence of paper or the state (open/closed) of
the upper cover of the following sensors:
T-4-21
[1]
[2]
J1
J2
J5
J3
J6 J7 J8 J9 J10
J16 J15
J11
J14
IC8
J13
J12
J4
CB1
SW1
DSP1
SW4SW3SW2
Switch
DSP1
indicat
ion Adjust
ment
value*
Switc
h
DSP1
indicati
on
Adjustment value*
Switc
h
DSP1
indicati
on Adjust
ment
value*
SW3 A-E2 -30 SW3 A-F7 -9 SW3 A-0C 12
A-E3 -29 A-F8 -8 A-CD 13
A-E4 -28 A-F9 -7 A-CE 14
A-E5 -27 A-FA -6 A-CF 15
A-E6 -26 A-Fb -5 A-10 16
A-E7 -25 A-FC -4 A-11 17
A-E8 -24 A-Fd -3 A-12 17
A-E9 -23 A-FE -2 A-13 18
A-EA -22 A-FF -1 A-14 19
A-Eb -21 A-00 0 (reference value) A-15 20
A-Ec -20 A-01 1 A-16 21
A-Ed -19 A-02 2 A-17 22
A-Ee -18 A-03 3 A-18 23
A-Ef -17 A-04 4 A-19 24
A-F0 -16 A-05 5 A-1A 25
A-F1 -15 A-06 6 A-1b 26
A-F2 -14 A-07 7 A-1C 27
A-F3 -13 A-08 8 A-1d 28
A-F4 -12 A-09 9 A-1E 29
A-F5 -11 A-0A 10 A-1F 30
SW4 A-F6 -10 SW4 A-0b 11 SW4 - -
J1
J2
J5
J3
J6 J7 J8 J9 J10
J16 J15
J11
J14
IC8
J13
J12
J4
CB1
SW1
DSP1
SW4SW3SW2
Switch Change
SW3 Increase the speed of reversal.
SW4 Decrease the speed of reversal.
DIS1
Sensor in question (notation)
DSP1
Sensor in question (notation)
(1)
Original sensor (S6)
(7)
Reversal sensor (S1)