Major Assemblies And Functions; Imaging; Print Cartridge - Xerox Phaser 3500 Service Manual

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
-1.5 ~ -1.30KV
Charging Roller
Cleaning Blade
Zener Diode
-100V
LSU
0.20mW
-400 ~ -500±20V
V : -680V
O
V : -620V
L
OPC Drum
Transfer Roller
Phaser® 3500 Laser Printer Service Manual
8-6
Theory of Operation
Doctor Blade
-500 ~ -600±20V
Supply Roller
Developing Roller
PTL
Max. +4.2kV