Canon Image Reader-A1 iR5000i Service Manual page 812

CHAPTER 5 SERVICE MODE
<ADJ-XY>
Executing Image Read Start Position Adjustment
If you have cleared the RAM on the reader controller PCB, enter the settings indicated on
the service label.
ADJ-X
Use it to adjust the scanner image leading edge position.
Range of 250 to 290 (A change of '1' causes a shift of 0.1 mm.)
adjustment
Caution Be sure to execute this mode before adjusting the margin.
Do not use this mode to create a margin.
ADJ-Y
Use it to adjust the CCD read start position.
Range of 100 to 400 (A change of '1' causes a shift of 0.1 mm.)
adjustment
5-46 T
Vertical size plate
Standard white plate
Lower setting
Lower setting
Higher setting
Vertical size plate
COPYRIGHT © 2001 CANON INC.
Copyboard glass
Higher setting
F05-401-03
Read start position
Original
F05-401-04
2000 2000 2000 2000
COPIER>ADJUST
CANON iR5000i/iR6000i REV.0 JUNE 2001