Xerox Phaser 3120 specifications Hvps Circuit Diagram 1/2

Page 78

8.3 HVPS Circuit Diagram (1/2)

SCHEMATIC DIAGRAMS

5V

R202

100

CON2-16Q201 A708-Y

5V

D201

 

 

C204

 

 

 

 

103

 

 

1N4148

 

 

 

 

 

 

 

 

 

 

 

 

24VS

R209

 

C207

 

103

100K

 

C206

 

 

IT201

R210

104

 

C210

THV-PWM R201

430THV-sen

 

R204

R205

 

47K

22K

R203

C201

C202

2K

473

102

 

 

THV

50K

C203

681

R206

180K-F

4

5+

6-

11

C205

473

7

U102-B

KA324

R207

330K-F

 

 

5.6K

 

 

4

 

 

6KV 221

C211

 

R208

Q202

 

 

 

2 ¡

 

 

 

 

 

 

 

 

 

 

6KV 221

 

10K

C945C-Y

 

 

 

 

6

 

 

 

 

 

 

 

 

 

D204

D205

D206

 

 

 

 

 

 

5

¡ 7

 

 

 

 

D203

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D1NL20U

 

1 ¡

 

6KV

6KV

6KV

 

 

 

 

 

 

 

 

 

 

Q203

 

 

IT-01

 

C209

6KV 221

R212

THV

 

 

 

C208

 

 

 

 

C2383

 

 

 

 

 

1/2W 100K

 

 

 

 

 

681

 

 

 

 

 

 

ZD201

R211

D202

 

 

 

 

 

 

 

 

2.7V

D1NL20U

 

 

 

 

TNR201

 

 

 

 

1/4W 4.7

 

 

 

 

 

 

 

 

 

 

 

 

 

5N221K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C212

 

TNR202

R213

 

 

 

 

 

 

 

2KV 221

 

 

 

 

 

 

 

 

5N431K

 

 

 

 

 

 

 

 

MGR1/2W 100MF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24VS

 

 

 

TNR203

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5N431K

 

 

CON2-17

THV-EA

R301

1K

5V

R309

N.U

R302

 

C302

 

 

 

 

 

103

 

 

 

 

470K

 

 

 

 

 

 

 

R303

C301

IT301

D302

 

 

 

 

 

 

 

 

 

470

4

 

 

 

 

 

104

 

4KV

C304

R305

 

 

¡

 

 

2

 

3KV 151

MGR1/2W 50M

 

 

 

6

 

 

 

 

 

 

Q301

 

5

¡ 7

 

 

THV-sen

 

 

 

 

 

C945C-Y

 

1

¡

 

 

 

 

 

 

 

 

R306

D303

CON2-18

THV-READ

R308

1K

C307

473

C306

INDEX

50K

1

U102-A

KA324

473

 

 

R307

 

150K

+

3

 

-

2

 

 

 

Q302

C303

IT-01

 

150KF

1N4148

 

 

103

 

 

 

 

 

 

C2383

 

 

 

 

 

 

ZD301

 

D301

 

 

 

 

 

2.7V

R304

 

 

C305

 

 

 

D1NL20U

 

D304

 

5V

 

1/4W 4.7

 

 

104

 

 

 

 

1N4148

 

 

 

 

 

 

 

 

D305

 

 

 

 

 

 

 

1N4148

 

 

 

 

 

 

Service Manual 8-15

Page 77 Page 79
Image 78
Page 77 Page 79
Contents Laser Printer Precautions Precaution related noxious material Precaution related electric shock or firePrecaution related handling the machine Precaution when assembly/disassemblyESD Precautions Tool for Troubleshooting DCUDiagnostic Control Unit DriverSpecifications General SpecificationsController Specification Electrical SpecificationEnvironmental Range Paper Handling Specifications Toner Cartridge DeveloperSpecifications Releasing Plastic Latches Whenever servicing the machine, you must perform as followsTop Cover Fuser Exit Roller LSUFan Driver Ass’yEngine Shield Ass’y Main PBASmps Transfer Roller Feed Roller Pick Up Roller SolenoidTroubleshooting How to use DCU 4.1.1 DCU SetupError Code CodeNormal Code Self Diagnostic Mode Code Description13 THV+ TRIGGER. ALL HV Self Test Button Functi on Enter Up/ Down Stop Remar kBad image Vertical Black Line and BandVertical White Line Horizontal Black Band Black/White SpotLight Image Dark Image or a BlackUneven Density BackgroundGhost Satins on the Face Satins on Back Blank Page Print outBad discharge Wrong Print Position2 JAM 3 JAM 4 JAMMulti-Feeding Paper rolled in the FuserPaper 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 No lamp on when the cover is open Cover OpenNo Power Defective motor operationVertical Line Getting Curved Service for the Life of Toner Cartridge Toner Cartridge ServicePrecautions on Safe-keeping of Toner Cartridge Redistributing TonerSigns and Measures at Poor toner cartridge ImageFault Signs Cause & Check Solution White Black spot Bad Environment of The Software Printer is not workingUtilities program Abnormal Printing Spool Error How to delete the data in the spool managerExploded Views and Parts List Assembly MainExploded view Main Assembly Parts List Frame Assembly Exploded view Frame Assembly Parts List SHAFT-FEED Idle Driver Unit Parts List Driver Unit Exploded viewFuser Unit Exploded view Fuser Unit Parts List Cassette Unit Exploded view Cassette Unit Parts List Diagram 3130Fuser ASS’Y Connection Diagram Phaser ComputerSchematic 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
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