Canon DADF-AV1, Руководство по обслуживанию

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Adjustment
Overview of Adjustment
The DADF has the following adjustment items. The following
is the order of adjustment.
No. Adjustment Items
1 Adjusting the Height
2 Adjusting the Perpendicularity
3 Adjusting the Read Position
4 Adjusting the Magnification
5 Adjusting the Image Position (Main Scanning Direction)
6 Adjusting the Image Position (Sub Scanning Direction)
7 Adjusting the White Level
Preparation or Creation of Test
Chart
Prepare a test chart. If there is no test chart, create a test
chart.
Create a test chart that has a 10 mm smaller rectangle from
the edge of A4 or LTR paper.
NOTE:
Be sure to write a character or mark to identify the printed
image direction.
10 mm
10 mm
10 mm
10 mm
Adjusting the Height
■ Check the Left Hinge Height
● When Visual Check
1. Close the DADF and check whether the front and
rear ADF scan glass spacers are in close contact
with the ADF scan glass.
NOTE:
If visual check is difficult, perform the check with reference
to "When Check with the Paper".
6. Installation
97