Xerox Phaser 3300 User Manual

Phaser 3300MFP Service Manual 2-19
Theory of Operation
Regulating Blade
■ Type: Regulating toner layer by pressure
■ Valid Length: 228 mm
■ Voltage: -420 V ~ -600 V
Charging Portion
■ Type: Conductive Roller Contact-Charge
■ Rotary Velocity: 179.7 mm/sec
■ Length: 230 mm
■ OD: ϕ 12.0 ± 0.05 mm
■ Shaft OD: ϕ 6 + 0 / -0.05 mm
■ Driver: Gear Driver
■ Roller life: 8.000 sheets or more
■ Roller Voltage: -1.25 ~ -1.70 KV
FAX Section
Modem Block Diagram
Implemented by based on Conexant DAA (Data Access Arrangement)
Solution, and is roughly composed of two kinds Chip Solution
■ CX86710 (SFX336): Existing Modem Chip which adds SSD (System Side
Device) for interfacing between LSD and DIB of FM 336 Plus Core.
■ CX20493 (LSD): LIU (Line Interface Unit) Chip which is controlled by SSD
and satisfies each PSTN Requirements by modulating internal
Configuration with connecting Tel Line.
s3300mfp-155
Modem
CX86710(SFX336)
DSP
SSD
System
Side
Device
Transformer
Transformer
CX20493
LSD
Line
Side
Device
Tel Line
Ext Line
LIU
SDAA
Sound Output
MC14051BD
Volume/Keyclick
Control
MC34119DR2
Speaker
Driver

Xerox Phaser 3300 Specifications

General

Print Technology	Laser
Fax Transmission Speed	33.6 Kbps
Standard Paper Capacity	250 sheets
Automatic Document Feeder	50 sheets
Functions	Print, Copy, Scan, Fax
Copy Resolution	600 x 600 dpi
Connectivity	USB 2.0
Maximum Paper Size	8.5 x 14 inches
Operating System Compatibility	Windows, Mac OS