Canon ImageRunner iR8500 Series, Руководство по обслуживанию, Страница: 343 / 1122

Chapter 8
8-3
8.1.3 Major Components
0006-9562
iR105i/iR105+ / iR9070 / iR85+ / iR8070
Figure shows the major components of the image formation system.
Pre-transfer
charging
assembly Added a pre-transfer
exposure unit. To improve separation. 5.3
Addition
of the Pre-
Transfer
Exposure
Unit
Developing
assembly Added a developing
fan for cooling the
developing assembly
to the front. To cool the developing
assembly. 5.5
Addition
of
theDevelo
ping Fan
Changing the
developing cylinder
cover to a heat sink
shape. To enhance cooling of
the developing assembly. 5.6
Modifying
the
Developin
g Cylinder
Cover
Modifying the
developing cylinder To enhance image
quality.
Changing the
developing bias Vp-p
(1.2 kV). To enhance image
quality.
Modifying the
developing contrast. To enhance image
quality.
Transfer
separation
charging
assembly Changing the transfer
charging wire height
to 9.5 -/+ 0.3 mm. For enhance transfer
performance. In the
GP605
(iR600),
9.6 -/+ 0.4
mm.
Changing the No. 2
separation wire
height to 17.1 -/+ 0.3
mm. (other charging
wires same as GP605
(iR600)) To enhance separation
performance. In the
GP605
(iR600),
15.7 -/+
0.3 mm.
Increasing the
frequency of the
separation AC
voltage to 10.0 kV/2
kHz. To enhance separation
performance. In the
GP605
(iR600),
10.5 kV/
700 Hz.
Cleaner Changed the air flow.
(added slit to polygon
primary duct) To cool the cleaning
blade.
Blade vibration unit
added. To prevent adhesion of
toner to the cleaning
blade. See 5.7
"Measures
Against
Adhesion
of Toner to
the
Cleaning
Blade."
Unit/location Changes to GP605
(iR600)
Purpose of change Remarks Reference