Xerox Phaser 6100

System Outline
Service Manual 5-1
5.1 Color Laser Printing Process
5.1.1 Imaging Unit (Drum Charge Section)
The imaging unit contains the drum, waste toner cleaning assembly and charge roller.
1) Structure
■ OPC drum: The laser light forms a latent electric image on the surface of the drum.
■ Cleaning blade: Removes remaining unwanted toner from the drum.
■ Waste toner cartridge: Collects and stores the waste toner.
■ Charge roller: Charges with a negative high voltage (-1 KV~1.5 KV), while in contact with the drum and
produces a uniform (-) voltage on its surface of approximately -500~-800 V.
2) Type
■ Life span: 50,000 Images (Color 12,500 pages)
■ Waste toner removal: Transferred to a user replaceable tank
■ Waste cartridge sensors: LED type, detects cartridge presence and full
■ OPC drum diameter: 120 mm
■ Power: Main motor (BLDC)
■ Charge method: Charge roller
■ Eraser method: LED lamp (+5 V)
■ PTL (Pre-transfer lamp: LED lamp (+ V)
5
System Outline
LSU
Eraser Lamp
Charge Bias
Waste Toner
Cartridge
Cleaning Roller
Cleaning Blade
Charge Roller
Imaging Unit
OPC Drum
-1000V ~ -1500V
Charge Roller
HVPS