Adjustment; Basic Adjustment; Overview; Angle Guide (Angle Of Opening At 90 Deg) - Canon DADF-M1 Service Manual

Chapter 4

4.3 Adjustment

4.3.1 Basic Adjustment

4.3.1.1 Overview

The machine's basic adjustments must be made in the
following order:

[1] angle guide (angle of opening at 90 deg)

[2] tray width*1

[3] sensor output*1

[4] tilt
[5] height
[6] right angle
[7] angle guide (angle of opening at 70 deg)
[8] magnification*1
[9] horizontal registration*1
[10] leading edge registration*1
[11] white level*1
*1: adjustment made using the host machine's
service mode.
Memo:
Be sure to make these basic adjustments whenever
you have detached the machine or replaced any of the
parts indicated.
4.3.1.2 Angle Guide (angle of
opening at 90 deg)
Adjust the angle of opening. If it is 90 deg, go to the
next item of adjustment (i.e. tray width).
1) Bend over the edge of the rubber cover [1], and
remove the 2 mounting screws [2]; then, detach the
angle guide plate [3].
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F-4-32
4.3.1.3 Sensor Output
Make the following adjustments if you have replaced
any of the following parts:
- reader controller PCB
- post-separation sensor (PI7)
- read sensor (PI8)
- delivery reversal sensor (PI9)
If you have replaced any of the sensors (i.e., PI7,
PI8, PI9), be sure to clean the surface of the prism
before starting to make the adjustments.
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Adjustment Procedure
1) Turn on the host machine, and start its service
mode.
<Starting Service Mode>
Press the User Mode key; press the 2 an 8 keys at the
same time; then, press the user Mode key once
again.
Check to be sure that there is no paper inside the
ADF before starting the adjustments.
[1]
[3]
[2]
[1]
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