Canon DADF-Q1, Service Manual

Page: 138 / 156

Chapter 4
4-28
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2) Close the ADF gradually and stop it just before the point where it closes
with its own weight (just before the hinge becomes unable to retain the
ADF).
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3) At this point, if the distance 'A' between the edge of the front cover and
the upper front cover is 20cm or more, perform the hinge spring pressure
aadjustment described next.
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2.How to adjust the pressure of hinge spring
a. Hinge (left)
1)Unscrew a screw [1] and detach and pre-reversal solenoid mount [2].
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2)Rotate the spring pressure adjusting screw [A] of the hinge to the direction
of the arrow [B] (in a clockwise direction) using a hex wrench 18 times
by 60 degrees (Max. angle to be rotated per time) per time (Shorten the
spring pressure adjusting screw [A] by 2mm).
F-4-135
b. HInge (right)
1) Unscrew a screw [1] and detach the delivery motor clock sensor mount
[2].
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2) Rotate the spring pressure adjusting screw [A] of the hinge to the direction
of the arrow [B] (in a clockwise direction) using a hex wrench 18 times
by 60 degrees (Max. angle to be rotated per time) per time (Shorten the
spring pressure adjusting screw [A] by 2mm).
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A
[1] [2]
[1] [2]
[1] [2]
[1] [2]