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DETAILED SECTION DESCRIPTIONS
PRINTING
Development Bias
[A]
[C]
The power pack [A] applies one bias voltage to the toner application roller [B],
toner metering blade [C], and bias brush [D], and a different voltage to the de-
velopment roller [E].
Bias Control (During Printing)
A charge of -700 ± 40 V is applied to the toner application roller, and -400 ±10
V is applied to the development roller. Toner transfers from the toner applica-
tion roller to the development roller and on to the laser-exposed areas drum
as shown below.
Print Data
G N D
- 100V
- 400V
- 700V
- 750V
[A]
[D]
[B]
H523D529.wmf
W h i t e
B l a c k
2-20
June 10th, 1997
H523D530.wmf
Toner
Drum Exposed Area
Development Roller
Toner Application Roller
Drum Surface Voltage
H523D531.wmf
[E]
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