Image Formation System; Basic Configuration; Specifications Of Image Formation System - Canon imageRUNNER 2545 Series Service Manual

2
Technology > Image Formation System > Basic Configuration > Specifications of Image Formation System

Image Formation System

Basic Configuration

■ Specifications of Image Formation System

Item
Photosensitive Material OPC high durability drum (E-drum)
Drum diameter φ30
drum
Cleaning method Cleaning blade
Process speed 230mm/sec (at cassette pickup)
137mm/sec (at manual feeder pickup)
Primary Charging method Primary charging roller
AC bias constant voltage control: approx. 550 to 2600Vp-p
charging
DC bias constant voltage control: approx. -400 to -800V
DC bias switch control (variable according to environment
sensor detection)
roller diameter φ14
Charging method Brush roller (φ10)
Developing Developing method Dry one-component jumping development
AC bias constant voltage control: approx. 800Vp-p
DC bias control: approx. -300 to -700V
DC bias switch control (variable according to density
setting, environment sensor detection)
Developing cylinder φ20
diameter
Toner Magnetic negative toner
Toner level
Toner detection by toner level sensor (inside sub hopper
and developing unit)
detection
Transfer Transfer method Transfer roller
DC constant current control: approx. 20 µA
Cleaning bias control: -2700V (DC constant voltage
control)
DC current level control (variable according to environment
sensor detection, paper type, paper width, source of
paper)
Roller diameter Φ16
Charging method
Cleaning bias application
Separation Separation method Static separation (Static eliminator) + Curvature separation
DC constant voltage control: -2800V (high bias), -2300 (low
bias)
Waste toner Collected into waste toner box
Waste toner box capacity: approx. 750g
2 Technology > Image Formation System > Basic Configuration > Specifications of Image Formation System
Specifications/Mechanism/Method
T-2-24
2-34
2-34