Canon iR8500 Service Manual page 105

CHAPTER 2 NEW FUNCTIONS
b. Reversing the Scanner After Scanning in Main Reading Direction
When the image has been scanned, the No. 1 mirror base is moved in reverse to home po-
sition at the speed used for 50% reduction, regardless of the ratio being used.
E202 (HP detection error)
[1] The No. 1 mirror base does not reach the HP sensor within a specific
[2] The HP sensor identifies the presence of the No. 1 mirror base when the
E204 (image leading edge detection error)
[1] The image signal is not generated when the No. 1 mirror base is moving
[2] The ADF does not generate the image leading edge signal in stream
COPIER>ADJUST>ADJ-XY>ADJ-X (scanner image leading edge
adjustment)
Enter an appropriate value to adjust the image leading edge position.
Range: 0 through 2970 (a change of '12' causes a shift of 1 mm)
COPIER>ADJUST>ADJ>XY>ADJ-S (scanner home position)
A numerical entry will adjust the home position (i.e., standard white plate
reading position).
If dirt develops on the standard white plate, execute this adjustment so that
the machine will take a reading while avoiding the area.
Settings: 0 to 4
Vertical size plate
Standard white plate
Decrease
F02-306-04
2-50
period of time.
No. 1 mirror base should have been moved away.
forward.
reading mode.
Copyboard glass
Increase
COPYRIGHT © 2001 CANON INC.
HP sensor
Vertical size plate
Standard white plate
Decrease
F02-306-05
2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
Copyboard glass
Increase