Halftone (Pg-Type 7); Solid Black (Pg-Type 8) - Canon ImageRunner 600 Service Manual

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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.

[1] Black Lines

[2] Verti cal White Spots

[3] Uneven Left/Right Density

[1] White Spots

[2] White Lines

CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.

CHAPTER 13 TROUBLESHOOTING

• scratches on drum

• dirt on primary charging wire

• transfer faulty

• primary charging assembly faults

• developing system faults

• transfer faults

• shading faults

(i.e., dirt on standard white plate)

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