Dust-Collecting Roller Bias - Canon iR5000i Service Manual

CHAPTER 4 IMAGE FORMATION SYSTEM

3.3 Dust-Collecting Roller Bias

3.3.1 Outline
The machine is equipped with a dust-collecting roller for collection of stray toner occur-
ring after development. The toner found on the surface of the dust-collecting roller is re-
moved by a scraper.
The dust-collecting roller bias is controlled for the following:
1. Turning on/off the dust-collecting roller bias.
The system used to control the dust-collecting roller is constructed as follows:
J102A
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HV-CR-REMOTE [1]
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The following signal is used for the system:
[1] dust-collecting roller bias remote signal; if '1', the dust-collecting roller bias turns on.
4-22 P
J4502
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F04-303-01
COPYRIGHT © 2001 CANON INC.
J4506
DC -1000V
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2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001
Dust-collecting
roller
Scraper