Auxiliary Adjustmant; Outline; Adjusting The Degree Of Arching At The Registration Roller (Pickup From The Tray), (At Time Of Reversal), (Manual Feed Mode); Adjusting The Speed Of Reversal - Canon DADF-Q1 Service Manual

Condition DSP1 indication
Alarm 1
Alarm 2
Faulty
1) While DSP1 is indicating 'NG', press the push switch SW3 or SW4 to se-
lect the sensor.
Switch DSP1 Sensor or motor in question
indication
SW3 1 Original sensor (S6)
2 Original trailing edge sensor (S7)
Separation sensor (S4)
Item to adjust
Degree of arching at the registration roller
when pickup is from the tray
Degree of arching at the registratoin roller at
time of reversal
Degree of arching at the registration roller in
manual feed mode
Speed of the feeding belt
Speed of reversal

Checking the sensor output

Hinge spring pressure
4.3.3.2 Adjusting the Degree of Arching at the
Registration Roller (pickup from the tray), (at time of
reversal), (manual feed mode)
1) Remove the screw [1], and detach the ADF controller cover [2].
2) Set the DIP switch (SW1) on the ADF controller PCB as follows to suit
the need:
Check or replace
No
Yes
Yes
T-4-12
[2]
[1]
F-4-113
Switch
SW4
2) At the end of the operation, press the push switch (SW2) on the ADF con-
troller PCB.

4.3.3 Auxiliary Adjustmant

4.3.3.1 Outline

Function
Removing the skew for CW pickup
Removing the skew at time of reversal
Removing the skew in manual feed mode
Fine-adjusting the reproduction ratio for stream reading mode
Fine-adjusting the speed of reversal
Checking the presence/absence of paper
over a specific sensor
Adjustment of a hinge hold angle
Item
0011-3508
Pickup from tray
Reversal
Manual feed
3) Place a single sheet [1] of A4 or LTR copy paper in the original tray.
DSP1 Sensor or motor in question
indication
3 Separation sensor (S4)
4 Skew sensor (S5)
5 Pre-registration roller paper sensor (S2)
6 Post-registration paper sensor (S3)
7 Reversal sensor (S1)
8 Pre-last original paper sensor (S8)
9 Delivery motor (M5)
T-4-13
T-4-14
Switch setting
Chapter 4
0011-3507
4-23