Horizontal Registration; Leading Edge Registration; White Level; Adjusting The Hinge Pressure - Canon DADF-M1 Service Manual

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

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.
2) Make the following selections on the Service Mode
screen to bring up the Adjustment screen:
COPIER>FUNCTION>CCD.
3) Touch [DF-WLVL1] to highlight.
4) Press the OK key.
In response, the machine runs an auto adjustment
session, and will indicate 'OK!' if it ends normally.
5) Remove the paper from the copyboard glass, and
place it in the original pickup tray of the machine.
6) Press [DF-WLVL2] on the touch panel to highlight.
7) Press the OK key.
In response, the machine will run an auto adjustment
session (duplexing stream reading).
8) Press the Reset key twice to end service mode.
4.3.1.13 Adjusting the Hinge
Pressure
1) Open the ADF, and measure the height of the point
at which it stops closing when let go.
2) Check to see if the height is 10 to 20 cm in range.
<If Not As Indicated>
1. if 10 cm or less, turn it counterclockwise using a
hex wrench to make adjustments.
2. if 20 cm or more, turn it clockwise using a hex
wrench to make adjustments.
Memo
Service Tool
hex wrench (8 mm); CK - 0540
0003-2377
4.3.2 Adjustment at Time of Parts
Replacement

4.3.2.1 Overview

Make the appropriate adjustments whenever you have
replaced the following major parts:
･ reader controller PCB (i.e., after EEPROM
initialization)
[1]sensor output
0003-1932
[2]tray width
[3]magnification
[4]horizontal registration
[5]leading edge registration
[6]white level
10 20cm
F-4-49
Chapter 4
0003-8360
4-27