Canon imageRUNNER C1325 Series, Service Manual

Page: 342 / 607

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Adjustment > Document Exposure System > Original Exposure and Feed System (Reader) > ADF Unit
Adjustment > Document Exposure System > Original Exposure and Feed System (Reader) > ADF Unit
Adjustment of the leading edge margin of image at ADF reading (duplex/front
side)
1) Set a test chart on ADF, and give one sheet of copy.
2) Compare the leading edge registration of the test chart and the copy of the test chart.
Carry out the following process when adjustment is necessary.
3) Select the item in the service mode.
FEEDER > ADJUST >
DOCSTDUP
4) Input value, and adjust an image.
• When a copied image moves to the trailing edge: Increase value
• When a copied image moves to the leading edge: Decrease value
• Adjustment unit: 0.1 mm
A A
Test chart
< When a copied image moves to the rear >
< When a copied image moves to the front >
Leading edge
of the feeding
direction
Leading edge
of the feeding
direction
Trailing edge
of the feeding
direction
Trailing edge
of the feeding
direction
Copy of the test chart
Test chart
Copy of the test chart
5) Write the new changed value in the service label.
6) Exit the service mode.
CAUTION:
Confirm that the Degree of a Right Angle is correct after you finish this adjustment.
Adjust again from the Adjustment of the Degree of a Right Angle when the Degree of a
Right Angle is not correct.
T-5-36
F-5-21
Adjustment of the leading edge margin of image at ADF reading (duplex/back
side)
1) Set a test chart on ADF, and give one sheet of copy.
2) Compare the leading edge registration of the test chart and the copy of the test chart.
Carry out the following process when adjustment is necessary.
3) Select the item in the service mode.
FEEDER > ADJUST >
DOCST2
4) Input value, and adjust an image.
• When a copied image moves to the trailing edge: Increase value
• When a copied image moves to the leading edge: Decrease value
• Adjustment unit: 0.1 mm
A A
Test chart
< When a copied image moves to the rear >
< When a copied image moves to the front >
Leading edge
of the feeding
direction
Leading edge
of the feeding
direction
Trailing edge
of the feeding
direction
Trailing edge
of the feeding
direction
Copy of the test chart
Test chart
Copy of the test chart
5) Write the new changed value in the service label.
6) Exit the service mode.
CAUTION:
Confirm that the Degree of a Right Angle is correct after you finish this adjustment.
Adjust again from the Adjustment of the Degree of a Right Angle when the Degree of a
Right Angle is not correct.
T-5-37
F-5-22