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COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
13-243
CHAPTER 13 TROUBLESHOOTING
1. Grid (PG-TYPE 1)
2. Vertical Lines (PG-TYPE 2)
3. Horizontal Lines (PG-TYPE 3)
Checking Straight Lines (right angles)
• displaced laser beam
Checking Straight Lines
(sub scanning direction)
• faulty BD
Feeding direction
Straight Lines
(main scanning direction)
• displaced laser beam
Feeding direction