Canon imageRUNNER ADVANCE C350 series, Service Manual

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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
Adjust the image position (horizontal scanning direction/front side) at ADF
reading.
1) Place a test chart on the ADF, and make one single-sided copy.
2) Compare the side registration of the test chart with that of the copied paper, and perform
adjustment if necessary.
10 +/- 2mm
Copy of the test chart
Feed direction
3) Select the item in the service mode.
LV. COPIER > ADJUST > ADJ-XY >
1 ADJ-Y-DF
4) Input value, and adjust an image.
• When a copied image moves to the rear: Decrease value
• When a copied image moves to the front: Increase value
• Adjustment unit: 0.1 mm
A
A
< When a copied image moves to the rear > < When a copied image moves to the front >
Copy of the test chart
Copy of the test chart
Test chart Test chart
Feed direction Feed direction
5) Write the new changed value in the service label.
6) Exit the service mode.
F-5-23
T-5-41
F-5-24
Fine adjustment of the image magnification ratio at ADF reading (front side)
1) Set the image of the test chart upward in ADF, and give one sheet of copy.
2) Compare the image length of the feed direction 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.
LV. FEEDER > ADJUST >
1 LA-SPEED
4) Input value, and adjust an image.
• When a copied image is long: Increase value (The feeding speed increases)
• When a copied image is short: Decrease value (The feeding speed decreases)
• Adjustment unit: 0.1 %
A
A
Test chart
Copy of the test chart
Copy of the test chart
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
5) Write the new changed value in the service label.
6) Exit the service mode.
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