Fax Section - Xerox Phaser 3300 Servce Manual

FAX Section

Phaser 3300MFP Service Manual
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:
Shaft OD:
Driver: Gear Driver
Roller life: 8.000 sheets or more
Roller Voltage: -1.25 ~ -1.70 KV
Modem Block Diagram
Modem
CX86710(SFX336)
DSP
MC14051BD
Volume/Keyclick
Control
Sound Output
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.
ϕ
12.0 ± 0.05 mm
ϕ
6 + 0 / -0.05 mm
Transformer
SSD
System
Side
Device
Transformer
MC34119DR2
Speaker
Driver
Theory of Operation
CX20493
LSD Tel Line
Line
Ext Line
Side
Device
LIU
SDAA
s3300mfp-155
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