Specifications

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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