System Outline; Color Laser Printing Process; Imaging Unit (Drum Charge Section) - Xerox Phaser 6100 Service Manual

5

System Outline

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.
Charge Roller
-1000V ~ -1500V
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)
Imaging Unit
OPC Drum
LSU
Charge Roller
System Outline
Cleaning Blade
Waste Toner
Cartridge
Eraser Lamp
Cleaning Roller
Charge Bias
HVPS
Service Manual 5-1