Xerox Phaser 3120 specifications Computer

Page 63

CONNECTION DIAGRAM

7.2 Phaser 3120

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

LSUCLK

1

POLYGON

 

 

 

 

 

 

 

 

nLREADY

 

 

 

 

 

 

 

 

2

2

HOST

 

 

 

 

4P IN

 

 

3

nPMOTOR

3

MOTOR

 

USB CABLE

 

 

 

 

GND

4

 

COMPUTER

CONN-E CTOR

 

4

24VS

 

 

 

 

for

 

CN6

5

*HSYNC

5

LSU

 

 

 

 

 

US B

 

6

5V

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

GND

2

 

 

 

 

 

 

CN3

 

 

8

3

LD

 

 

 

 

 

 

 

nLD_ON

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

VDO

4

 

 

 

 

 

 

 

 

 

1 0

5

DIODE

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

 

 

1 1

 

6

 

 

 

 

 

 

 

 

CN8

1

+3.3V

1

 

 

 

 

 

 

 

 

PTL

PTL LED ARRAY

 

 

 

 

 

 

 

 

2

 

2

 

 

 

 

 

 

 

CN9

1

+24V

1

 

 

 

 

 

 

 

 

MP_CLUTCH

Manual Clutch

 

 

 

 

 

 

 

2

2

 

 

 

 

 

 

 

 

 

1

THE RM

1

 

 

 

 

 

 

 

 

THERMISTOR

THE RM2

 

CN5

 

 

1

MAIN_CLUTCH

1

 

2

2

 

 

 

 

 

 

 

 

 

 

 

CN3

2

 

2

Main Clutch

 

1

A

1

 

 

SPL

 

 

 

 

 

 

A/

 

 

 

 

 

 

 

 

2

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MOTOR

B

CN7

 

 

1

P_EMPTY

 

 

3

B/

3

MAIN

 

2

 

 

4

4

 

 

 

2

P_FEED

 

 

 

 

BOARD

3.3V

1

 

 

 

 

 

 

 

 

 

 

 

 

3

4

 

 

 

 

 

 

3.3V

 

 

 

 

 

 

FR-4, 2Layer

4

3.3V GND

3

 

 

 

 

 

 

5

3.3V GND

6

SMPS

 

 

 

 

 

 

 

 

6

5V

5

 

 

 

 

 

 

 

 

7

8

 

 

 

 

 

 

 

 

 

3.3V GND

 

 

 

 

 

 

 

 

 

8

7

 

 

 

 

 

 

 

 

 

3.3V GND

 

 

 

 

 

 

 

 

 

9

10

 

 

 

 

 

 

 

 

 

3.3V GND

 

 

 

 

 

 

 

 

 

10

9

 

 

 

 

 

 

 

 

 

24VS

 

 

 

 

 

 

 

 

 

11

12

 

 

 

 

 

 

 

 

CN10

24VS

 

 

 

 

 

 

 

 

12

11

 

 

 

 

 

 

 

 

MP_EMPTY

CN5

 

 

 

 

 

 

 

 

13

14

 

 

 

 

 

 

 

 

24VS

 

 

 

 

 

 

 

 

14

13

 

 

 

 

 

 

 

 

 

LED_READY

 

 

 

 

 

 

 

 

 

15

16

 

 

 

 

 

 

 

 

 

THV_READ

 

 

 

 

 

 

 

 

 

16

15

FAN

 

1

+3.3V

 

1

 

 

 

LED_ERROR

 

 

 

 

 

17

 

D CU _D ATA

 

 

 

 

THV_PWM

18

 

DCU

2

 

2

CN2

 

 

18

17

 

D CU _C LK

 

 

 

THV_EN

 

3

 

3

 

 

19

20

PANEL

 

4

GND

 

4

 

 

 

20

BIAS_PWM

HVPS

 

 

 

 

 

MHV_PWM

19

 

 

 

 

 

 

 

 

21

22

 

 

 

 

 

 

 

 

 

LED_TONER SAVE

 

 

 

 

 

 

 

 

 

22

21

 

 

 

 

 

 

 

 

 

KEY_DEMO

 

 

 

 

 

 

 

 

 

23

24

 

 

 

 

 

 

 

 

 

FAN

 

 

 

 

 

 

 

 

 

24

23

 

 

 

 

 

 

 

 

 

FUSER

 

 

 

 

 

 

 

 

 

25

26

 

 

 

 

 

 

 

 

 

P_EXIT

 

 

 

 

 

 

 

 

 

26

 

25

 

7-2Service Manual

Image 63
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 SpecificationsController Specification Electrical 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 TroubleshootingError Code CodeNormal Code Code Description Self Diagnostic Mode13 THV+ TRIGGER. ALL HV Functi on Enter Up/ Down Stop Remar k Self Test ButtonBad image Vertical Black Line and BandVertical 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 BackBad discharge Wrong Print Position2 JAM 4 JAM 3 JAMPaper rolled in the Fuser Multi-FeedingPaper rolled in the Toner Cartridge OPC Drum All LEDs blinking Fuser Error All LEDs blinking Scan ErrorMalfunction Not function of the gear of the fuser due to melting away Paper EmptyPaper Empty without indication Cover Open No lamp on when the cover is openDefective motor operation No PowerVertical Line Getting Curved Redistributing Toner Toner Cartridge ServicePrecautions on Safe-keeping of Toner Cartridge Service for the Life of Toner CartridgeImage 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 Assembly MainExploded 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