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Specifications
Item
Specifications/Mechanism/Method
Photosensitive drum
Material
OPC drum (E-drum)
Drum diameter
φ30
Cleaning method
Cleaning blade
Process speed
At cassette pickup:
51/45/35cpm model: 230mm/sec
25cpm model: 137mm/sec
At manual feeder pickup
51/45/35/25cpm model: 137mm/sec
Primary charging
Charging method
Primary charging roller
AC bias constant voltage control: approx. 600 to 2600Vp-p
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 diameter
φ20
Toner
Magnetic negative toner
Toner level detection
Toner detection by toner level sensor (inside sub hopper and developing unit)
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 container
Waste toner container capacity: approx. 750g