Canon FY8-13FW-000DADF-A1 Service Manual page 93

2) Remove the front cover and the cover.
3) Shift bits [5] and [6] of the DIP switch
(DSW1) on the DADF controller to ON,
and press the push switch.
• The pick-up roller starts to rotate and will
stop at the top pick-up mode pick-up
position.
4) When the pick-up roller has stopped, press
the push switch (SW3) on the DADF
controller once again.
• The motor will stop operation.
5) Secure the paper retaining solenoid in
place so that the delivery roller [2] (pick-up
roll for top pick-up mode) is in firm contact
with the pick-up roll [3] when the plunger
[1] of the paper retaining solenoid is fully
pushed.
[1]
Figure 3-351
COPYRIGHT © 1998 CANON INC.
[2]
[3]
CANON DADF-A1 REV.0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 3 MECHANICAL SYSTEM
6) Push in s test strip prepared in step [1]
between the delivery roller and the pick-up
roller while pushing the plunger of the
paper retaining solenoid fully. Check to
make sure that the delivery roller rotates
when the rear and the front pick-up roller is
tested this way.
Figure 3-352
Reference:
When pulling the test strip, the one-way
clutch will operate to hold the delivery
roller from rotating.
7) If the delivery roll does not rotate when a
test strip is pushed in, go back to step 3).
8) Shift the bits of the DIP switch (DSW1) on
the DADF controller PCB back to initial
configuration.
Test sheet
3-25