Xerox Phaser 3120 specifications Fuser ASS’Y

6-2

Service Manual

POWER
CORD			FUSER ASS’Y
IN-LET	F.G
			USB
	-	+	+24V
			+5V
CON1			+3.3V	CN11
			GND
HEATER-AC			HEATER-THERMISTOR

SMPS PART's

LSU

6.2 Phaser 3120 BLOCK DIAGRAM

Main Motor

SMPS + Main 26p

CN8

MOTOR DR

PART'S

CN8

	EXIT-SENSOR
		MHVPWM
SSCG	Crystal
	12MHz
FLASH
MEMORY	Main Clock	BIASPWM
0.5MB
(128Kx32bits)

PTL

FAN

CN2

C-CLUTCH

CN9

M-CLUTCH

VOLTAGE

DETECTOR

Power On Reset

LD	THV_EA
Video
Clock	THVPWM
ARM7	FEED-SENSOR
90MHz
	THV-RD
CPU Jupiter 4	P/EMPTY-SENSOR HVPS PART'S

CN6

CN1

CN3

CON4

MHV

OPC GND

SUPPLY

DEV

THV

+24V

PANEL B’D

2LED

1KEY

	COVER OPEN SW
MP-SENSOR