Xerox Phaser 3300, Руководство по обслуживанию

Страница: 60 / 296

2-18 Phaser 3300MFP Service Manual
Theory of Operation
Print Cartridge
In the print cartridge, the OPC unit and the developer unit are housed in a
single case. The OPC unit consists of the OPC drum and charging roller, and
the developer unit includes toner, toner chamber, supply roller, developing
roller, and the blade.
Summary
■
Developing Method: Non magnetic 1 element contacting method
■
Toner: Non magnetic 1 element shatter type toner
■
The life span of toner: 4k/8k sheets (ISO 19752 5% Pattern/A4 standard)
■
Toner Residual Sensor: Dot count with CRUM (CRU Monitor)
■
OPC Cleaning: Collect the toner by using cleaning blade + FILM OPC
■
Handling of wasted toner: Collect the wasted toner in the cleaning frame
by using cleaning blade
■
OPC Drum Protecting Shutter: None
■
Classifying device for print cartridge: ID is classified by interruption of the
frame channel.
Developing Roller
■
Rotary Speed: 203.06 mm/sec
■
Roller Bias: -220 V ~ -400 ± 20 V
■
Control Type: Bias PWM Control type
■
Structure: Mono layer
■
Valid Length: 228 mm
■
OD:
ϕ
14.07 mm ± 0.05
■
Shaft material: SUS 303
■
Life: 8.000 sheets or more
Supply Roller
■
Roller Bias: -370 V ~ -550 V
■
Control Type: Bias
■
Valid Length: 220 mm
■
OD:
ϕ
11.2 ± 0.1 mm
■
Shaft OD:
ϕ
6 mm + 0 / -0.05
■
Driver: Gear Driver (in a direction opposed to D/R)
■
Sponge Density: 0.45, ± 0.1 g/m
3
■
Life: 8.000 sheets or more