Canon GP605 Service Manual page 835

1. Grid (PG-TYPE 1)
2. Vertical Lines (PG-TYPE 2)
3. Horizontal Lines (PG-TYPE 3)
COPYRIGHT © 1999 CANON INC. CANON GP605/605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
Checking Straight Lines (right angles)
• displaced laser beam
Checking Straight Lines
(sub scanning direction)
• faulty BD
Straight Lines
(main scanning direction)
• displaced laser beam
13-243