Canon iR8500 Service Manual page 718

<CCD> (iR7200)
Use it to execute auto adjustment for CCD/shading-related items.
CCD-ADJ
Use it to execute CCD auto adjustment.
<Using the Mode>
1) Place sheets of standard white paper (10 sheets min.) on the copyboard
glass.
2) Select the mode item, and press the OK key.
• The machine executes auto adjustment (about 1 min).
• The machine stops operation at the end of auto adjustment.
3) Record the updated settings on the service label (all under
COPIER>ADJUST>CCD).
COPYRIGHT© 2001 CANON INC.
• Execute this mode if you have replaced the CCD unit, scanning
lamp,inverter PCB, or copyboard glass (standard white plate).
• Use the whitest of all papers used by the user as the standard white
paper.
F00-204-04
2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
(rear)
SERVICE MODE
COPIER>FUNCTION
S-75