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4-21

TROUBLESHOOTING

Service Manual

4.4.10 Vertical Line Getting Curved

• Description

When printing, vertical line gets curved.

Check and Cause

Solution

1. If the supply of +24v is unstable in the Main Control board

linking with LSU, check drive by DCU Mode : LSU Check
-05- LSU Motor on. 

1. Replace LSU.  

2. Replace the Main Control board.  

Summary of Contents for Phaser 3120

Page 1: ...Phaser 3120 Phaser 3130 Manual LASER PRINTER CONTENTS 1 Precautions 2 Specifications 3 Disassembly and Reassembly 4 Troubleshooting 5 Exploded Views and Parts List 6 Block Diagram 7 Connection Diagra...

Page 2: ...er any human access to laser radiation above a Class I level during normal operation user maintenance or prescribed service condition Warning Never operate or service the printer with the protective c...

Page 3: ...ace other materials on it Also do not fix it with staples If the power code gets damage a fire or electric shock can be caused A damaged power code must be replaced immediately Do not repair the damag...

Page 4: ...ater A fire can be occurred 1 2 4 Precaution when assembly disassembly When replace parts do it very carefully Do memorize the location of each cable before replace parts for reconnecting it afterward...

Page 5: ...ent electrostatic charge buildup in the vicinity of the assembly 3 Use only a grounded tip soldering iron to solder or desolder ESDs 4 Use only an anti static solder removal device Some solder removal...

Page 6: ...andard For general home use for medical ser vice 6 Software Driver installation CD ROM 8 Cleaning Equipments a IPA Isopropyl Alcohol dry cloth or a soft stuff neutral detergent 7 Pinset Standard For g...

Page 7: ...out Media Size 75 X 125 3 X 5 mm to 216 X 356 8 5 X 14 mm Media Thickness 16 24 lb Dimension W X D X H 348 X 355 X 193mm 13 7 X 14 X 7 6 inch Weight Net 7 Kg 15 4 lb Gross 9 5 Kg Max Acoustic Noise 1...

Page 8: ...t Parallel IEEE 1284 Modes supported Compatible Nibble Byte ECP External Network Adaptor Optional Interface switching Automatic Interface time out 5min Max Font Windows Font 45 Scalable 1 Bitmap ITEM...

Page 9: ...Contact Developing Charging Conductive Roller Charging Toner checking sensor Not Available Ozone 0 1PPM or less 8 hours Style Single cartridge PAPER DIMENSIONS WEIGHT A4 210 X 297 mm 60 to 90 g m2 bon...

Page 10: ...2 4 Specifications Service Manual...

Page 11: ...e the cable routing that will be affected Whenever servicing the machine you must perform as follows 1 Check to verify that documents are not stored in memory 2 Be sure to remove the toner cartridge b...

Page 12: ...the printer 2 Remove the Front Cover in the direction of arrow 3 Remove four screws 4 Unlatch the front ends of the Top Cover 5 Remove the Top Cover in the direction of arrow 6 Remove the Rear Cover f...

Page 13: ...r screws 3 Remove two screws and take the Thermostat out of the Fuser 4 Remove two screws and take the Halogen Lamp out of the Heat Roller 5 Remove one screw and take the Idle Gear out 6 Remove four s...

Page 14: ...ng and Exit Roller Exit Gear Bearing Exit Roller 1 2 3 4 Exit Roller 3 5 LSU 1 Before you remove the Fuser you should remove Top Cover see page 3 2 2 Remove two screws and unplug one connector from th...

Page 15: ...see page 3 2 2 Unplug the connector from the SMPS and remove the one screw Then take out the Fan DC Fan 3 6 Fan 3 7 Driver Ass y 1 Before you remove the Fuser you should remove Top Cover see page 3 2...

Page 16: ...curing from the Engine Shield Ass y and unplug the all connec tors Then take the Engine Shield Ass y Engine Shield Ass y 3 8 Engine Shield Ass y 3 9 Main PBA 1 Before you remove the Fuser you should r...

Page 17: ...user you should remove Top Cover see page 3 2 Engine Shield Ass y see page 3 6 2 Unplug one connector and remove three screws then take the Inlet Ass y out 3 Remove one screw and unplug one connector...

Page 18: ...Cover see page 3 2 LSU see page 3 4 2 Remove three screws and take the Transfer Earth out 3 Unplug the PTL Holder Connector then remove the PTL Holder and PTL Lens as shown below 4 Unlatch the Bush a...

Page 19: ...aper and take it out 3 Pull up the Feed Idle Bush and Feed Idle Shaft as shown below 4 Remove three screws from the Feed Bracket and take it out 5 Remove the Idle Gear and Feed Gear2 6 Remove the Feed...

Page 20: ...Ass y as shown below 3 Remove the Pick up Ass y as shown below Pick up Gear Ass y Pick up Ass y 1 2 Bush 3 13 Pick Up Roller 3 14 Solenoid 1 Before you remove the Fuser you should remove Top Cover see...

Page 21: ...2 03 04 20 30 40 50 69 60 62 68 64 70 71 72 73 95 MAIN MOTOR OPERATING SYSTEM MAIN HIGH VOLTAGE ON TRNSFER HIGH VOLTAGE ON THV REFERANCE VOLTAGE DEV SUPPLY HIGH VOLTAGE ON PTL ON LSU OPERATING SYSTEM...

Page 22: ...or 40 Feed Sensor off The paper has passed out of the Feed Sensor 50 Paper Out The paper has passed out of Exit Sensor 69 Sleep Mode The fuser power turned off to minimize the power consumption Code S...

Page 23: ...e should be used 02 Transfer High Voltage On THV 1000 voltage output by MHV terminal Caution High voltage probe should be used 03 Transfer High Voltage Reference on THV 800 voltage output by MHV termi...

Page 24: ...ser is up to Printing Mode If you press the button once more the left LED is on and temperature of the fuser is up to overheat Mode 11 Hot Burn Test If the enter button pressed the printer is continuo...

Page 25: ...malfunction is detected in the control board No Function Enter Up Down Stop Remark 00 Motor Motor Run Motor Stop 01 MHV Mhv On Mhv Off 1550V 02 THV Thv Negative On Thv Negative Off 03 THV Thv On Thv...

Page 26: ...er Digital Printer Digital Printer Check and Cause Solution 1 Foreign matter stuck onto the window of internal lenses of LSU mirror 2 Foreign matter or toner particles between the developer roller and...

Page 27: ...Printer Digital Printer Digital Printer Digital Printer Check and Cause Solution 1 If dark or blurry black spots occur periodi cally the rollers in the Developer may be contaminated with foreign matte...

Page 28: ...rint out 3 Wait 30 minutes after printer is powered on before you start printing 4 Clean up the contaminated area by the toner 5 Replace the HVPS if the problems are not solved by the above four direc...

Page 29: ...k background appears in whole area of the printing Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Solution 1 Does character exist less than 2 per a pag...

Page 30: ...terminals when contaminated by toner particles 2 Occur in the developer cartridge replace the developer and try to print out 3 Replace the engine board if not solved by the above directions 1 2 4 If...

Page 31: ...Printer DigitalPrinter DigitalPrinter DigitalPrinter DigitalPrinter 47mm Check and Cause Solution The temperature of the fuser is maintained high 1 Disassemble the fuser and remove the contaminated to...

Page 32: ...deformed 4 2 15 Blank Page Print out 1 Description Blank page is printed Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Solution Bad ground contacts in...

Page 33: ...the surface of the roller pickup for foreign mat ter 4 If the paper feeds into the printer rand Jam 0 occurs perform DCU to check feed sensor of the engine board 1 Replace the solenoid 2 Replace the s...

Page 34: ...oller This occurs when a Guide claw is broken away or transformed It occurs when the Spring of a Guide claw is broken away or transformed It occurs when the Heat Roller or Pressure Roller is seriously...

Page 35: ...aper 4 3 6 Paper rolled in the Fuser Description If contaminated at intervals of 57mm on the back of a paper Check and Cause Solution 1 Contamination of the pressure roller or heat roller Background H...

Page 36: ...in the OPC Check and Cause Solution 1 Paper is too much thin 2 The face of paper is curled 1 Recommend to use normal paper 2 How to remove the rolled in the OPC Drum Remove the paper while turning the...

Page 37: ...if the overheat circuit works properly 5 The fuser gear is defective due to melting away 1 If the thermostat is open replace the fuser and check following items 2 If the thermistor sensor device is l...

Page 38: ...when paper is loaded in the cassette Check and Cause Solution 1 Bending or deformation of the actuator of the paper sen sor 2 The function of the engine board is defective Perform DCU mode Perform DC...

Page 39: ...Open Error 1 Replace the hook lever if defective 2 Check the insertion of the Cover Open S W Connect 3 Replace the Main Control board or Cover Open S W 4 4 7 No lamp on when the cover is open Descript...

Page 40: ...e motor operation 1 Check the motor harness replace it if defective 2 Replace the SMPS if necessary 4 4 9 No Power Description When system power is turned on all lamps on the operator panel do not com...

Page 41: ...ng Curved Description When printing vertical line gets curved Check and Cause Solution 1 If the supply of 24v is unstable in the Main Control board linking with LSU check drive by DCU Mode LSU Check 0...

Page 42: ...low faded or light areas may appear on a printed page You may be able to temporarily improve the print quality by redistributing the toner The following procedures may allow you to finish the current...

Page 43: ...the paper periodically 1 Check the cycle of the falling of the toner 2 Check the appearance of both ends of the developer OPC drum 2 The center of the printed mat ter is contaminated with toner 1 Chec...

Page 44: ...tance or toner are stuck to the terminal contact point of the developer 2 Check whether the state of the terminal assembly is nor mal 1 In case of 1 above Run OPC Cleaning Mode Print 4 5 times repeate...

Page 45: ...Error Status 2 Replace the printer cable If the problems not solved even after the cable replaced check the amount of the remaining tone refer to Toner Cartridge Service 7 4 3 Check if the connection...

Page 46: ...an the RAM problem In this case provide more space for the hard disk Secure more space using the disk utilities program 2 The connection of the cable and printer port is not proper Check if the connec...

Page 47: ...in the CMOS SETUP 2 Printer Driver Error 3 Error message from insufficient memory The printing job sometimes stops or due to insufficient virtual memory but it actually comes from the insuffi cient sp...

Page 48: ...ecessary files to provide more space to start printing job 2 If there are some files with the extension name of jnl Delete them and Reboot the Windows to restart printing job 3 Shut down all other pro...

Page 49: ...oded Views and Parts List 5 1 Main Assembly Exploded view page 5 2 5 2 Frame Assembly Exploded view page 5 4 5 3 Drive Unit Exploded view page 5 7 5 4 Fuser Unit Exploded view page 5 8 5 5 Cassette Un...

Page 50: ...ODED VIEWS AND PARTS LIST Service Manual 5 1 Main Assembly Exploded view 0 9 6 7 8 2 2 2 3 2 4 2 5 2 6 2 6 15 1 15 2 5 2 1 2 7 2 10 1 2 10 4 11 1 11 11 2 11 3 11 4 11 5 11 3 12 13 14 1 14 2 14 3 14 14...

Page 51: ...ELA HOU RX DRIVE 1400 JC96 02733A 1 O 11 MEA UNIT COVER FRONT XEROX JC97 01748D 1 O P3120 MEA UNIT COVER FRONT XEROX JC97 01749K 1 O P3130 11 1 COVER FRONT JC63 00103A 1 X 11 2 ADJUST MANUAL L JC70 00...

Page 52: ...0 1 2 4 3 5 6 7 12 6 9 53 9 51 13 14 15 16 17 57 18 19 20 20 21 22 23 24 25 26 37 31 27 28 29 29 30 58 58 1 58 2 58 3 58 4 58 5 58 6 58 6 58 4 40 41 56 42 44 53 45 46 47 48 59 59 1 59 2 59 3 59 4 50...

Page 53: ...15 IPR TERMINAL CR JC70 00313A 1 X 16 HOUSING TERMINAL JC61 00592A 1 X 17 PMO LOCKER CST JC72 00983A 1 X 18 PMO ACTUATOR CVR OPEN JC72 00974A 1 O 19 PMO PLATE GUIDE DEVE_R JC72 00985A 1 X 20 SPRING G...

Page 54: ...C72 00979A 1 X 49 3 SPRING PICK_UP GEAR 6107 001167 1 X 50 BRACKET FEED JC61 00602A 1 X 51 IPR GROUND TR JC70 00311A 1 X 52 SHAPT FEED JC66 00398A 1 X 53 RING CS 6044 000001 3 X 54 GEAR FEED 2 JC66 00...

Page 55: ...t available NO DESCRIPTION SEC CODE Q TY SA REMARK 0 ELA HOU RX DRIVE 1400 JC96 02733A 1 O 1 BRACKET GEAR 1400 JC61 00598A 1 X 2 GEAR FUSER DRV JC66 00388A 1 X 3 GEAR RDCN Z132 19 JC66 00391A 1 X 4 GE...

Page 56: ...5 8 EXPLODED VIEWS AND PARTS LIST Service Manual 5 4 Fuser Unit Exploded view 0 1 2 3 4 5 32 32 6 33 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 31 22 23 24 25 26 27 30 28 29...

Page 57: ...JC39 00239A 1 O 110V CBF HARNESS FUSER 220V JC39 00238A 1 O 220V 16 GEAR FUSER Z37 JC66 00564A 1 O 17 BUSH HR_L JC61 00589A 1 X 18 NPR ROLLER_HEAT JC66 00601A 1 O 19 BUSH HR_R JC61 00590A 1 X 20 LAMP...

Page 58: ...5 10 EXPLODED VIEWS AND PARTS LIST Service Manual 5 5 Cassette Unit Exploded view 0 1 2 3 4 5 5 6 7 8 9 10 11 12 13 14 15 16 18 17...

Page 59: ...X 7 SPRING FRICTION PAD JC61 70911A 1 X 8 ROLLER IDLE FEED JC66 00529A 2 X 9 SPRING FEED 6107 001047 2 X 10 PMO PLATE_LOCKER JC72 00972A 1 X 11 SPRING LOCKER JG61 70531A 1 X 12 ADJUST CASSETTE_L JC70...

Page 60: ...0 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 SENS...

Page 61: ...3V FAN POWER CORD Crystal 12MHz Main Clock Power On Reset SMPS Main 26p CPU Jupiter 4 24V Main Motor C CLUTCH USB HEATER AC SMPS PART s COVER OPEN SW CN8 CN8 CN11 CN6 CN1 CN3 CON4 CON1 CN2 CN9 HVPS PA...

Page 62: ...12 CN11 CN9 SMPS HVPS CN5 1 2 1 2 1 2 MainClutch PTLLEDARRAY ManualClutch 1 2 PANEL FAN A B THER1 THER2 A B 38PIN 37 38 5 6 1 2 3 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26...

Page 63: ...S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 CN5 1 2 1 2 1 2 MainClutch PTLLEDARRAY ManualClutch 1 2 PANEL FAN 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23...

Page 64: ...8 1 SCHEMATIC DIAGRAMS Service Manual 8 8 Schematic Diagrams 8 1 Phaser 3130 Main Circuit Diagram 1 9...

Page 65: ...8 2 SCHEMATIC DIAGRAMS Service Manual Phaser 3130 Main Circuit Diagram 2 9...

Page 66: ...8 3 SCHEMATIC DIAGRAMS Service Manual Phaser 3130 Main Circuit Diagram 3 9...

Page 67: ...8 4 SCHEMATIC DIAGRAMS Service Manual Phaser 3130 Main Circuit Diagram 4 9...

Page 68: ...8 5 SCHEMATIC DIAGRAMS Service Manual Phaser 3130 Main Circuit Diagram 5 9...

Page 69: ...8 6 SCHEMATIC DIAGRAMS Service Manual Phaser 3130 Main Circuit Diagram 6 9...

Page 70: ...8 7 SCHEMATIC DIAGRAMS Service Manual Phaser 3130 Main Circuit Diagram 7 9...

Page 71: ...8 8 SCHEMATIC DIAGRAMS Service Manual Phaser 3130 Main Circuit Diagram 8 9...

Page 72: ...8 9 SCHEMATIC DIAGRAMS Service Manual Phaser 3130 Main Circuit Diagram 9 9...

Page 73: ...8 10 SCHEMATIC DIAGRAMS Service Manual 8 2 Phaser 3120 Main Circuit Diagram 1 5...

Page 74: ...8 11 SCHEMATIC DIAGRAMS Service Manual Phaser 3120 Main Circuit Diagram 2 5...

Page 75: ...8 12 SCHEMATIC DIAGRAMS Service Manual Phaser 3120 Main Circuit Diagram 3 5...

Page 76: ...8 13 SCHEMATIC DIAGRAMS Service Manual Phaser 3120 Main Circuit Diagram 4 5...

Page 77: ...8 14 SCHEMATIC DIAGRAMS Service Manual Phaser 3120 Main Circuit Diagram 5 5...

Page 78: ...80K F CON2 17 7 R207 330K F THV THV 50K R307 150K THV sen R213 MGR1 2W 100MF 4 THV READ CON2 18 6 C302 103 IT 01 1 D301 D1NL20U R303 470 Q202 C945C Y C201 473 5V INDEX 50K C307 473 C202 102 D305 1N414...

Page 79: ...D503 200V C501 473 R508 470 C503 681 R502 22K Q403 C2316 U102 D KA324 12 13 14 IN R504 10K CON2 20 R503 330KF C508 103 R409 1 4W 4 7 Q501 A708 Y ZD403 130V 2 D404 4KV R401 47K U102 C KA324 10 9 8 4 24...

Page 80: ...8K F 1 CON1 1 2 R113 NU Source 10 24VS F2 250V 2A Drain C103 35V 47uF PT1 C106 1KV 102 11 R8 680 CON2 10 11 12 STR G6353 R101 22 C10 630V 333 LF2 2003 CON2 7 8 9 OCP FB C2 222MAD PWM CONTROL DGND R110...

Page 81: ...7 150 CON2 24 FAN 1 2 R118 47K 2 OP102 ITR 8406S CON4 3 C111 104 CON2 15 MANUAL 35301 0350 35303 0550 5 CON2 23 KEY DEMO R120 5 6K 4 CON2 26 EXIT R119 2 2K 3 3 24VS 2 2 1 4 CON2 21 LED ERROR OP101 ITR...

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