Canon iR105 Service Manual page 674

6 Solid Black (PG-TYPE6)
7 Vertical Lines (PG-TYPE7)
8 Horizontal Lines (PG-TYPE8)
COPYRIGHT© 2001 CANON INC.
F00-206-07
F00-206-08
F00-206-09
2000 2000 2000 2000 CANON iR105 REV.0 JULY 2001
COPIER>TEST>PG
[1] White Spot
transfer fault
[2] White Line
shading fault
(e.g., dirt on standard white plate)
Straight lines
(sub scanning direction)
BD fault
Straight lines
(main scanning direction)
displacement in laser beam
SERVICE MODE
S-113