Canon iR8500 Service Manual page 758

9 Halftone (for laser delay check; PG-TYPE9)
[A] laser A scanning line
[B] laser B scanning line
Checking for a Laser Delay
Use a magnifying glass (CK-0056-000) to make sure that the distance be-
tween a and b in the figure is a specific distance; otherwise, try changing
Memo
the setting under COPIER>ADJUST>LASER>DLY-FINE.
• COPIER>ADJUST>LASER>DLY-FINE
Range of adjustment: -16 to 16 ('1' being a 1/16 pixel; 1 pixel being the
COPYRIGHT© 2001 CANON INC.
F00-206-10
sum length of a band b)
2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
[A]
[B]
[A]
SERVICE MODE
COPIER>TEST
[B]
[A]
a
b
S-115