3-3.Drum Charge; 3-3-1.Overview - Minolta QMS PageWorks/Pro 1100 Service Manual

3-3. Drum Charge
3-3-1. Overview
- The P.C. Drum is charged with static electricity before laser exposure.
- The Drum Charge Brush and the Pre-charge Film are used for the charging
method.
- The Drum Charge Brush and Pre-charge Film charging generate little ozone
in the printer. Because the charge is directly applied to the P.C. Drum, the
P.C. Drum can be charged by low voltage. At the same time, the P.C. Drum
can be charged stably and evenly.
- The Pre-charge Film supplies the charge to the P.C. Drum before being
charged by the Drum Charge Brush to improve the charging efficiency.
- The Drum Charge Brush is turned by the drive of the Main Motor (M1) via a
gear.
- The electric potential on the surface of the charged PC Drum is
approximately-800 V.
Laser Exposure
Development
Sleeve Roller
4121s030
1
2
4110s031
Drum Cartridge
Drum Cover
1.Drum Charge Brush
2.PC Drum
3.Earth
4
4.Drum Charge Brush voltage
3
34
Drum Charge Brush
Paper Dust Remover
Pre-charge Film
Image Transfer Roller
PC Drum