COPYRIGHT © 2000 CANON INC.
2000 2000 2000 2000
CANON iR5000/iR6000 REV.0 JULY 2000
CHAPTER 4 IMAGE FORMATION SYSTEM
4-13 P
2.4 Determining the Developing Bias
The developing bias (Vdc) is determined as follows based on the drum surface potential
(VL2):
Vdc = VL2 + Vdc
In terms of copying potential, Vdc = 110 V
In terms of printing potential, Vdc = 85 to 110 V
(The potential for printing varies in keeping with the reading of the environment sensor to
ensure the reproduction of appropriate line widths.)
F04-204-01
WMUPR
WMUP
STBY
200˚C
Potential sensor
Selected potential
Laser
Primary charging
Vpc Vpc
LP0
Vpc
Potential control sequence start
VD
VL1
VL2
Vdc
VD
Vdc
Photosensitive drum
Developing
cylinder
Potential sensor
Primary current
level determined
Laser output
determined
Fixing assembly temperature 195
˚C
LP
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Summary of Contents for IR5000 - iR B/W Laser
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