Xerox Phaser 3120 specifications Fuser ASS’Y

Page 61

6-2

Service Manual

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

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
SSCG	12MHz
	12MHz
FLASH
MEMORY	Main Clock	BIASPWM
0.5MB	Main Clock	BIASPWM
(128Kx32bits)

PTL

FAN

CN2

C-CLUTCH

CN9

M-CLUTCH

VOLTAGE

DETECTOR

Power On Reset

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

Image 61

Contents Laser Printer Precautions Precaution related electric shock or fire Precaution related noxious materialPrecaution when assembly/disassembly Precaution related handling the machineESD Precautions DCUDiagnostic Control Unit Driver Tool for TroubleshootingGeneral Specifications SpecificationsElectrical Specification Controller SpecificationEnvironmental Range Toner Cartridge Developer Paper Handling SpecificationsSpecifications Whenever servicing the machine, you must perform as follows Releasing Plastic LatchesTop Cover Fuser LSU Exit RollerDriver Ass’y FanMain PBA Engine Shield Ass’ySmps Transfer Roller Feed Roller Solenoid Pick Up RollerHow to use DCU 4.1.1 DCU Setup TroubleshootingCode Error CodeNormal Code Code Description Self Diagnostic Mode13 THV+ TRIGGER. ALL HV Functi on Enter Up/ Down Stop Remar k Self Test ButtonVertical Black Line and Band Bad imageVertical White Line Black/White Spot Horizontal Black BandDark Image or a Black Light ImageBackground Uneven DensityGhost Satins on the Face Blank Page Print out Satins on BackWrong Print Position Bad discharge2 JAM 4 JAM 3 JAMPaper rolled in the Fuser Multi-FeedingPaper rolled in the Toner Cartridge OPC Drum All LEDs blinking Scan Error All LEDs blinking Fuser ErrorMalfunction Paper Empty Not function of the gear of the fuser due to melting awayPaper Empty without indication Cover Open No lamp on when the cover is openDefective motor operation No PowerVertical Line Getting Curved Precautions on Safe-keeping of Toner Cartridge Toner Cartridge ServiceService for the Life of Toner Cartridge Redistributing TonerImage Signs and Measures at Poor toner cartridgeFault Signs Cause & Check Solution White Black spot Printer is not working Bad Environment of The SoftwareUtilities program Abnormal Printing How to delete the data in the spool manager Spool ErrorExploded Views and Parts List Main AssemblyExploded view Main Assembly Parts List Frame Assembly Exploded view Frame Assembly Parts List SHAFT-FEED Idle Driver Unit Exploded view Driver Unit Parts ListFuser Unit Exploded view Fuser Unit Parts List Cassette Unit Exploded view Cassette Unit Parts List 3130 DiagramFuser ASS’Y Connection Diagram Computer PhaserSchematic Diagrams Phaser 3130 Main Circuit Diagram 2/9 Phaser 3130 Main Circuit Diagram 3/9 Phaser 3130 Main Circuit Diagram 4/9 Phaser 3130 Main Circuit Diagram 5/9 Phaser 3130 Main Circuit Diagram 6/9 Phaser 3130 Main Circuit Diagram 7/9 Phaser 3130 Main Circuit Diagram 8/9 Phaser 3130 Main Circuit Diagram 9/9 Phaser 3120 Main Circuit Diagram 1/5 Phaser 3120 Main Circuit Diagram 2/5 Phaser 3120 Main Circuit Diagram 3/5 Phaser 3120 Main Circuit Diagram 4/5 Phaser 3120 Main Circuit Diagram 5/5 Hvps Circuit Diagram 1/2 Hvps Circuit Diagram 2/2 Smps Circuit Diagram Other PBA Circuit Diagrams