Xerox Phaser 3500 - Major Assemblies and Functions; Imaging; Print Cartridge

Theory of Operation
Phaser® 3500 Laser Printer Service Manual
8-6
Major Assemblies and Functions
Imaging
After paper feed, the imaging process consists of the Laser Unit, Print Cartridge, Transfer
Assembly, Fuser Assembly and Paper Exit.
Print Cartridge
The Print Cartridge receives image data in the form of pulsed laser light from the Laser Scan
Unit and creates the image via the xerographic process. The Print Cartridge contains the
following components:
■ Charge Roller
■ Drum
■ Developer Roller (D/R)
■ Supply Roller (S/R)
■ Metering Blade
■ Cleaning Blade
Cleaning Roller
-680V
0.20mW
-1.5 ~ -1.30KV
-400 ~ -500±20V
-500 ~ -600±20V
-100V
+4.2kV
-620V
Doctor Blade
Charging Roller
Cleaning Blade
OPC Drum
Zener Diode
Transfer Roller
Max.
PTL
Developing Roller
Supply Roller
LSU
VO:
V
L: