Canon 1730, Service Manual

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Adjustment > Image Position Adjustment > Image Position Adjustment for ADF > Leading Edge Registration Adjustment
Adjustment > Image Position Adjustment > Image Position Adjustment for ADF > Leading Edge Registration Adjustment
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Horizontal Registration Adjustment
1) Create a test sheet, place it on the ADF, and make a copy of it.
2) Compare the horizontal registration of the test sheet with that of the copied paper.
Make an adjustment to conform to the following standard value:
Copy of test sheet
(Feeding direction)
10±2mm
• Standard value: Within 10mm±2mm
3) Open the ADF.
4) Loosen the adjusting screw, and then move the slide guide forward or backward with
reference to the scale marks.
Adjusting screw
5) After completion of the adjustment, tighten the adjusting screw you loosened in step 4.)
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Leading Edge Registration Adjustment
1) Create a test sheet, place it on the ADF, and make a copy of it.
2) Compare the leading-edge registration of the test sheet with that of the copied paper. If
required, adjust the leading edge registration to the following value:
Copy of test sheet
(Feeding direction)
Leading edge margin
L
• Standard value: 10mm±2mm
3) Service mode: SCAN > FEEDER > ADJUST > DOCST
• When the image is shifted to the left: Reduce the setting value.
• When the image is shifted to the right: Increase the setting value.
Note:
After completion of the adjustment, check the squareness. If it is not within specification,
make adjustments again starting with the squareness adjustment.
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