White Level - Canon DADF-M1 Service Manual

Chapter 4
A
B
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4) Start service mode as follows: press the User Mode key, press the 2 and 8 keys at the
same time, and press the User Mode key once again.
5) Make the following selections: FEEDER>ADJUST>DOCST. Then, change the setting
to make adjustments.
- if A >/= 1 mm, increase the setting (so that the margin will be increased).
- if B >/= 1 mm, decrease the setting (so that the margin will be decrease).
(unit: 0.5 mm)
(range: -30- to 10; -5 to +5 mm)
6) Make a copy of the Test Chart once again, and see the image is as indicated.

4.3.1.12 White Level

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1) Place A4 or LTRR paper on the copyboard glass, and close the machine.
Make sure that the paper is not too small. Otherwise, white level may not be adjusted.
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