Adj Img Pstn In Dadf Mode:horz Scan; Adj Of Dadf Img Lead Edge Margin: Front - Canon H1 Service Manual

5
Adjustment > Adjustment Method (DADF) > Adj of DADF img lead edge margin: front

Adj img pstn in DADF mode:horz scan

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:
(LV.1) COPIER > ADJUST > ADJ-XY
4) Press [ADJ-Y-DF] to highlight.
• if the image is displaced to the rear, increase the setting.
• if the image is displaced to the front, decrease the setting.
unit of adjustment: 0.1 mm
< If the image is displaced toward rear >
Rear side of
printed image
A
Image rear side of
test chart
Feed direction
5 Adjustment > Adjustment Method (DADF) > Adj of DADF img lead edge margin: front
< If the image is displaced toward front >
Image rear side of
test chart
A
Rear side of
printed image
Feed direction
F-5-14

Adj of DADF img lead edge margin: front

1) Place the Test Chart in the DADF, and make a copy.
2) Compare the copy against the Test Chart for the leading edge registration; as necessary,
make the following adjustments:
3) On the Service Mode screen, touch the following notations to bring up the Adjustment
screen:
(LV.1) FEEDER > ADJUST
4) Press [DOCST] to highlight.
• if the image is displaced to the trailing edge, decrease the setting.
• if the image is displaced to the leading edge, increase the setting.
unit of adjustment: 0.1 mm
< If the image is displaced toward trailing edge > < If the image is displaced toward leading edge >
Leading edge of
Image leading edge of
printed image
test chart
A
Feed direction
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.
5-12
Image leading edge of
Leading edge of
test chart
printed image
A
Feed direction
5-12
F-5-15