Xerox Phaser 3120 User Manual

6
6
6-1
BLOCK DIAGRAM
Service Manual
6. Block Diagram
6.1 Phaser 3130
FUSER ASS’Y
POWER CORD
IN-LET
F. G
THERMISTOR
To Controller
MAIN MOTOR
C-SOLENOID
C-SOLENOID-MP
SCF
(Option)
IEEE1284
Interface
USB2.0
Net2270
Crystal
14.74 MHz
Freq.
Spread
Video
Clock
VOLTAGE
DETECTOR
MOTOR
DRIVER
Power On
Reset
Controller Block
SMPS Block
HEATER-AC
+24V +5V +3.3V
GND
Crystal
12MHz
Freq.
Spread
EEPROM
FEED-SENSOR
P/EMPTY-SENSOR
MP-SENSOR
Main Clock
EXIT-SENSOR
THVPWM
BLASPWM
MHVPWM
+24V
Cover-open Switch
PANEL B’D
PTL
LSU
+
+
+
+
FAN
2 LED
1KEY
Font ROM
16MB
FLASH
MEMORY
(2MB)
SDRAM
(8MB)
SPGPm
ARM946ES
HVPS Block
MHV
OPC GND
SUPPLY
DEV
THV

Xerox Phaser 3120 Specifications

General

Brand	Xerox
Model	Phaser 3120
Category	Printer
Language	English