Canon iR4570 Series Service Manual page 795

Sub-item
ADJ-Y Adjusting the CCD read start cell position (image read start position in
the main scan direction)
<Setting range> 85 to 169 (Default: 144)
Increasing the value by 1 shifts the image read start position 0.1 mm
outward.
ADJ-S Adjusting the optical shading measuring position
<Setting range> 20 to 200 (Default: 40)
Increasing the value by 1 shifts the shading measuring position 0.1 mm
forward.
ADJ-Y-DF Adjusting the main scan position at DF flow read
<Setting range> 50 to 250 (Default: 144)
Increasing the value by 1 shifts the image read start position 0.1 mm
outward.
STRD_POS Adjusting the CCD read start position at DF flow read
<Setting range> 1 to 200 (Default: 100)
Increasing the value by 1 shifts the image read start position 0.1 mm to
left.
Decrease the setting
(so that the read start
position moves toward
the leading edge).
COPIER > ADJUST > ADJ-XY
Description
CIS Unit
F-16-15
Level
1
1
1
1
Original
Increase the setting
(so that the read start
position moves toward
the trailing edge).