Canon 1730, Service Manual

Page: 68 / 358

2
2
2-40
2-40
Technical Explanation > Image Formation System > Basic Configuration > List of Image Formation Specifications
Technical Explanation > Image Formation System > Basic Configuration > List of Image Formation Specifications
Image Formation System
Basic Configuration
■ List of Image Formation Specifications
Item Specifications/Function/Method
Photosensitive
Drum Type Organic Photo Conductor High Durable Drum (E Drum)
Cleaning mechanism Cleaning Blade
Processing speed
311mm/sec (at pickup from Cassette)
134mm/sec (at pickup from Multi-purpose Tray)
Primary
Charging Charging method Roller charging
AC bias constant voltage control: approx. 550 to 2600Vp-p
DC bias constant voltage control: approx. -400 to -800V
DC bias switch control (variable by Environment Sensor
Detection)
Roller diameter Diameter: 12
Cleaning mechanism Brush Roller (Diameter: 10)
Developing Developing method Dry, 1-component toner projection development
AC bias constant voltage control: approx. 800Vp-p
DC bias control: approx. -250 to -650V
DC bias switch control (Variable by density setting and
Environment Sensor Detection)
Developing Cylinder
OD Diameter: 20
Toner Magnetic negative toner
Toner level detection
mechanism Toner detection by Toner Level Detection Sensor (in Sub
Hopper and Developing Assembly)
Transfer Transfer method Roller charging
DC constant current control: approx. 25 to 30 micro A
Cleaning bias control: -1650V (DC constant voltage control)
DC current level control (variable by Environment Sensor
Detection, paper type, paper width and pickup location)
Roller diameter Diameter: 16
Cleaning mechanism Cleaning bias application
Separation Separation method Electrostatic separation (Static Eliminator) + curvature
separation
DC constant voltage control: -2600V (strong bias), -2200
(weak bias)
Waste Toner To collect into Waste Toner Box
Waste Toner Box capacity: approx. 750g
T-2-25