Adjusting The Read Position; Adjusting The Horizontal Registration; Adjusting The Trailing Edge Registration; Adjusting The Magnification - Canon D1 Service Manual

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Adjustment > Adjustment Method (DADF) > Adjusting the Magnification

Adjusting the Read Position

1) Start service mode.
2) On the Service Mode screen, touch the following notations in sequence to bring up the
Adjustment screen:
1 COPIER
2 FUNCTION
3 INSTALL
3) Press [STRD-POS] to highlight.
4) Touch [OK].
A press on [OK] will cause the scanner to start a scan; in several seconds,the machine
will end auto adjustment of the read position and indicate 'OK'.
Caution:
If the machine fails auto adjustment and indicates 'NG', go through the following:
(1) Clean the white roller of the DADF and the stream reading glass of the host
machine; then, execute auto adjustment once again.
(2)If the auto adjustment operation still fails, start service mode, and make adjustments
manually:
COPIER>ADJUST>ADJ-XY>STRD-POS

Adjusting the Horizontal Registration

1) Place the test chart in the DADF, and make a copy.
2) Compare the copy against the Test Chart for the horizontal registration; as necessary,
make the following adjustments:
3) On the Service Mode screen, touch the following notations to bring up the Adjustment
screen:
1 COPIER
2 ADJUST
3 ADJ-XY
4 ADJ-Y-DF
• if the image is displaced to the front, decrease the setting.
• if the image is displaced to the rear, increase the setting.
unit of adjustment: 0.1 mm
5 Adjustment > Adjustment Method (DADF) > Adjusting the Magnification

Adjusting the Trailing Edge Registration

1) Place the Test Chart in the DADF, and make a copy.
2) Compare the copy against the Test Chart for the trailing edge registration; as necessary,
make the following adjustments:
3) On the Service Mode screen, touch the following notations to bring up the Adjustment
screen:
1 COPIER
2 FEEDER
3 ADJUST
4 DOCST
• if the image is displaced to the leading edge, decrease the setting.
• if the image is displaced to the trailing edge, increase the setting.
unit of adjustment: 0.1 mm
Caution:
After completion of this adjustment, check the perpendicularity. If the perpendicularity
is not within spec, adjust it again following the procedures mentioned in "Adjusting the
Perpendicularity" and later.

Adjusting the Magnification

1) Place the Test Chart in the ADF, and make a copy. Refer to the output as copy A.
2) Compare Test Chart and copy A in terms of the length of the image in feed direction; as
necessary, make adjustments in service mode.
3) From the Service Mode screen, touch the following notations to bring up the Adjustment
screen:
1 COPIER
2 FEEDER
3 ADJUST
4 LA-SPEED to highlight
• if the image of copy A is shorter, decrease the setting (so that the speed at which
originals are moved in stream reading mode will be reduced).
• if the image of copy A is longer, increase the setting so that the speed at which
originals are moved in stream reading mode will be increased).
unit of adjustments: 0.1%
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