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COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
13-245
CHAPTER 13 TROUBLESHOOTING
7. Halftone (PG-TYPE 7)
!The print consists of halftone created by passing the paper through the density correction
block. The result is dependent on AE and other density correction mechanisms in addition to
the performance of the image formation system.
8. Solid Black (PG-TYPE 8)
[1] Black Lines
• scratches on drum
• dirt on primary charging wire
[2] Verti cal White Spots
• transfer faulty
[3] Uneven Left/Right Density
• primary charging assembly faults
• developing system faults
[1] White Spots
• transfer faults
[2] White Lines
• shading faults
(i.e., dirt on standard white plate)