Construction; Specifications Of The Image Formation System; Major Components Of The Image Formation System - Canon iR3570 Service Manual

7.1 Construction

7.1.1 Specifications of the Image Formation System

iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / iR3530 /
Drum Unit Specifications
Photosensitive drum
Primary charging
Transfer charging
Pre-Exposure Unit Specifications
LED
Timing of light emission
Developing Unit Specifications
Developing cylinder diameter
Development method
Toner
Toner level detection
Toner Cartridge Specifications
Toner level detection
Toner variable resistor
Others
separation method
Waste toner

7.1.2 Major Components of the Image Formation System

iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / iR3530 /
Drum type
Drum diameter
Cleaning mechanism
Process speed
Charging method
Charging roller diameter
Cleaning mechanism
Charging method
Charging roller diameter
12 pc.
in response to drum rotation
20 mm
by dry, single-component toner projection method (application of AC + DC)
single-component insulating magnetic toner
by toner level sensor (inside sub hopper and developing assembly)
none
1220 g (iR3570/4570/3530)
1060 g (iR2270/2870/2230/2830)
by static eliminator + curvature
collection to waste toner case
T-7-1
OPC
30 mm
by cleaning blade
230 mm/sec (iR3570/4570/3530)
137 mm/sec (iR2270/2870/2230/2830)
by roller (AC + DC)
16 mm
by brush roller (reciprocating mechanism)
by roller (DC)
16 mm
T-7-2
T-7-3
T-7-4
T-7-5
Chapter 7
0006-6168
0006-5981
7-1