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Samsung ML-1430 Service Manual

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SERVICE
LASER PRINTER
LASER PRINTER
ML-1430
Manual
CONTENTS
1. Precautions
2. Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded Views and Parts List
6. Block Diagram
7. Connection Diagram

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Summary of Contents for Samsung ML-1430

  • Page 1 LASER PRINTER ML-1430 SERVICE 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 Diagram...
  • Page 2 ITSELF system Samsung Electronics Co., Ltd. Printed in Korea. http://itself.sec.samsung.co.kr VERSION NO. : 1.01 CODE : JC-0072A - This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. -...
  • Page 3 Copyright Act. Specifications are subject to change without prior notice. Samsung Electronics Digital Printing CS Group Copyright (c) 2002. 12.
  • Page 4 5. Do not force to open or fasten plastic material compo- latch away from the part to nents. which it is latched. 6. Be careful that small parts such as screws should not get in the printer. Samsung Electronics...
  • Page 5 Software(Driver) installation CD Electronic Scale Standard: Equipment to check the weight of consumables(toner cartridge) supplied by Samsung Electronics. (The gram unit can be measured.) Mind your hands not to be touched when you disassemble and reassemble PBA ASS'Y, such as the main board, SMPS, HVPS.
  • Page 6 329 x 355 x 231 mm (13” x 14” x 9.1”) Weight Max 6.5Kg (With Toner Cartridge) Controller Processor Jupiter3 66MHz Memory 8MB Equivalent Emulation SPL (Samsung Printer Language) Interface IEEE1284, USB OS Support Windows 95/98/2000/Me/NT, Linux(Radhat 6.0), iMac(Mac OS 8.0) External Input 150 sheets...
  • Page 7 3. Top Cover : Remove the cover in the direction of 4. Side Cover L, R : Remove the cover in the direction of 3. Loosen the right lower part of the cover, then push the cover in the direction of arrow to loosen the left lower part. Samsung Electronics...
  • Page 8 1. Before you remove LSU, you should remove front 3. Remove two connectors from the LSU, then remove cover, rear cover and top cover. the LSU. • Main Cover (see [3.1 Main Cover]) 2. Remove three screws securing the LSU. Samsung Electronics...
  • Page 9 • Main Cover (see [3.1 Main Cover]) Motor Assembly out. • Shield Engine Assembly 2. Remove one screws securing the Fan. Shield Ground When you reassemble the FAN, make sure that the direction of the Fan is cor- Note rect(the shield ground is downcast) Samsung Electronics...
  • Page 10 3. Remove two screws and unplug a fuser assembly harness. Then use a " - " screwdriver to unlatch the • Main Cover (see [3.1 Main Cover]) fuser assembly to remove. 2. Remove two ground screws and a connector as illus- trated. Samsung Electronics...
  • Page 11 When you reassemble the halogen lamp, handle it with care as it is fragile. Note 2. Remove two screws from the fuser assembly, and take the Heat Roller out. Samsung Electronics...
  • Page 12 SMPS and remove the SMPS • Main Cover (see [3.1 Main Cover]) board. 2. Remove screws in the order of then remove the shield engine assembly. The Engine board and SMPS board are integrated in a body. Note Samsung Electronics...
  • Page 13 • SMPS board (see [3.9 SMPS Board]) 2. Remove two screws from the main board and unplug all of connectors, then remove the board. Main B’d 4. Release four snap-fits securing the sensor board and then remove the sensor board. Samsung Electronics...

  • Page 14: Table Of Contents

    4.6.2 The printer is not working (2) ..Page(4-26) 4.3.1 Wrong Print Position......Page(4-12) 4.6.3 Abnormal Printing ......Page(4-27) 4.3.2 JAM 0..........Page(4-12) 4.6.4 SPOOL Error ........Page(4-28) 4.3.3 JAM 1..........Page(4-13) 4.3.4 JAM 2..........Page(4-13) 4.3.5 Multi-Feeding ........Page(4-14) 4.3.6 Paper rolled in the fuser....Page(4-14) 4.3.7 OPC..........Page(4-15) Samsung Electronics...

  • Page 15: Troubleshooting

    The front part of paper is jammed between the Discharge sensor and Feed sensor. Paper Jam 2 The front part of paper is jammed just after passing through the discharge sensor. LSU Not Ready LSU Scanner Motor not ready or Hsync signal not output. Samsung Electronics...

  • Page 16: Self Diagnostic Mode

    If you press the button once more, the left LED is on and temperature of the fuser is up to overheat Mode. Hot Burn Test If the [enter] button pressed, the printer is continuously printing without detection. Turn the power off to stop operation. Cleaning Mode Print Mode Print the paper to clean the OPC Drum in the Cartridge. Samsung Electronics...

  • Page 17: Self Test Button

    KNOCK UP EXIT 2 PICK UP CARTRIDGE CARTRIDGE FUSER IDLE H R/L FEED EMPTY SEN FACE UP FEED SEN EXIT 1 SENSOR BOARD SENSOR BOARD MAIN BOARD MAIN BOARD Pr R/L EXIT SENSOR SMPS SHIELD SHIELD SHIELD SHIELD Samsung Electronics...

  • Page 18: The Cause And Solution Of Bad Image

    Remove if found. 5. If the problems are not solved, check to see if the weight of the developer is below 670g. If so, replace the developer cartridge. Samsung Electronics...

  • Page 19: Horizontal Black Band

    4. In case of 37mm interval unremovable in 1, take measures as to replace the developer cartridge and try to print out. 5. Clean the inside of the set against the paper particles and foreign matter in order not to cause the trouble. Samsung Electronics...

  • Page 20: Light Image

    Digital Printer the bad contacts between power supply connects the engine board and HVPS. in the side of the Developer and charge terminal of HVPS. 3. Replace the HVPS if not solved by the above direction 1 and 2. Samsung Electronics...

  • Page 21: Uneven Density

    3. The up-to-down movement of the trans- 3. Clean the busing part of the transfer roller. fer roller is swift? 4. The HVPS is normal? 4. Replace the Developer if not solved by the (Perform DCU diagnostic code 01~04) above direction 1~3. Samsung Electronics...

  • Page 22: Ghost (1)

    Select 'Thick Mode' on paper type menu from Digital Printer mal paper or transparencies such as OHP, the software application and after using return- Digital Printer higher transfer voltage is required. ing to the original mode is recommended. Digital Printer Digital Printer Digital Printer Samsung Electronics...

  • Page 23: Ghost (3)

    2. If the transfer roller is contaminated, satins 2. If the transfer roller is contaminated, run PC on the face of page will occur. Cleaning Mode Print 2 or 3 times. Digital Printer And perform Self-Test 2 or 3 times to remove contamination. 4-10 Samsung Electronics...

  • Page 24: Satins On Back Of Page

    Solenoid is normal.(refer to code 06) 3. If not solved by the above directions 1-2, Replace the engine board. (Service Parts : Figure 9 , chapter 5) 4. Turn the power off, delete the data of PC and try printing again. Samsung Electronics 4-11...

  • Page 25: The Cause And Solution Of The Bad Discharge

    (Service Parts : Figure 8-135, 8-12, chapter 5) become open or is broken away. 5. If the paper feeds into the printer rand Jam 0 occurs, perform DCU to check feed-sensor of the sensor board. 4-12 Samsung Electronics...

  • Page 26: Jam 1

    3. Remove the jammed paper after disas- sembling the fuser : Clean the surface of the pressure roller with dry gauze. • Remove the toner particles stained on the rib. • Check the assemblage and perfor- mance of the exit. Samsung Electronics 4-13...

  • Page 27: Multi-Feeding

    1. Disassemble the fuser, clean the area between the (Background, Hot off set) Heat-roller and Thermistor and remove the foreign matter of the pressure roller. 2. If background appears badly in the printing, fix it by referring to the solutions for background. (See 4.2.8 Background) 4-14 Samsung Electronics...

  • Page 28: Opc

    2. How to remove the rolled paper in the OPC. • Remove the paper while turning the OPC against the ongoing direction. • Clean fingerprints on the OPC softly with soft cloth dampened with IPA(Isopropyl Alcohol) or tis- sue. Samsung Electronics 4-15...

  • Page 29: The Cause And Solution Of The Malfunction

    DCU Mode : Perform DCU diagnostic code 05. If the DCU Replace LSU. error code 95 is displayed, replace LSU. (Service Parts : Figure 13, chapter 5) If you cannot solve the problem after you replace LSU, replace the main board. 4-16 Samsung Electronics...

  • Page 30: Not Function Of The Gear Of The Fuser Due To Melting Away

    (Service Parts : Figure 8-17, chapter 5) 2. The function of the sensor board is defective Perform. 2. Replace the sensor board. DCU mode : Perform DCU diagnostic code 8. (Service Parts : Figure 8-10, chapter 5) Samsung Electronics 4-17...

  • Page 31: Cover Open

    Main Control board. Perform DCU Connect. mode : If Error state '64' occurs, Check the related codes of the Cover Open Error 2. Replace the Main Control board or Cover Open Sensor. (Service Parts : Figure 9, chapter 5) 4-18 Samsung Electronics...

  • Page 32: Defective Motor Operation

    2. Check the inferiority of LED-Panel on the front-cover if 2. Replace the control board. the LED of Panel does not appear after normal warming- (Service Parts : Figure 9, chapter 5) 3. Replace the LED-panel. (Service Parts : Figure 1-1, chapter 5) Samsung Electronics 4-19...

  • Page 33: Vertical Line Getting Curved

    1. Replace LSU. linking with LSU, check drive by DCU Mode: LSU Check (Service Parts : Figure 13, chapter 5) -05- LSU Motor on. 2. Replace the Main Control board. (Service Parts : Figure 9, chapter 5) 4-20 Samsung Electronics...

  • Page 34: Toner Cartridge Service

    4.5 Toner Cartridge Service It is not guaranteed for the default caused by using other toner cartridge other than the cartridge supplied by the Samsung Electronic or caused by non-licensed refill production. 4.5.1 Precautions on Safe-keeping of Toner Cartridge Excessive exposure to direct light more than a few minutes may cause damage to the cartridge.

  • Page 35: Signs And Measures At Poor Toner Cartridge

    (1)Check whether foreign sub- stances or toner are stuck to the terminal (contact point) of the developer. (2)Check whether the state of the terminal assembly is normal. 3. If it cannot be recycled: Replace the developer. 4-22 Samsung Electronics...
  • Page 36 (1)It occurs when the developer the developer. is recycled over 2 times. (2)Check whether the state of (2)If toner nearly being expired the terminal assembly is nor- are collected to use, it is mal. judged as the recycled devel- oper. Samsung Electronics 4-23...
  • Page 37 Clean the terminals of the (point of contact) of the developing roller, then recheck it. developer and the state of assembly. (Especially check the devel- oping roller terminal.) 4-24 Samsung Electronics...

  • Page 38: The Cause And Solutions Of Bad Environment Of The Software

    4. If the scanner needs to be connected to the printer, 4. Check if the printer cable is directly connected to periph- first the remove the scanner from the PC to see if the eral devices printer is properly working alone. Samsung Electronics 4-25...

  • Page 39: The Printer Is Not Working (2)

    Turn the PC and printer off, and reboot the system to print again. If not solved, double-click the printer in my computer If the regular fonts are not printed this time again. the cable must be defective so replace the cable with new one. 4-26 Samsung Electronics...

  • Page 40: Abnormal Printing

    3. Delete the unnecessary files to secure enough (The printing job sometimes stops or due to insufficient space of the hard disk and start printing job again. virtual memory, but it actually comes from the insuffi- cient space of the hard disk.) Samsung Electronics 4-27...

  • Page 41: Spool Error

    Before choosing the document, the menu is still inactive. Or put the document out of the list and repeat the routine as in the above or finish the spool manager. 4-28 Samsung Electronics...
  • Page 42 5.2 Front Cover Assembly..............page(5-4) 5.3 Shield Engine Unit Assembly............page(5-5) 5.4 Frame Lower Assembly..............page(5-6) 5.5 Engine Assembly................page(5-8) 5.6 Fuser Assembly................. page(5-10) 5.7 Plate-Upper Unit Assembly.............. page(5-12) For the latest exact information, see ITSELF System. (http://itself.sec.samsung.co.kr) Samsung Electronics...

  • Page 43: Exploded Views And Parts List

    Exploded Views and Parts List 5-1 Front Cover Assembly 8 + 9 12-1 Samsung Electronics...
  • Page 44 PMO-COVER REAR JC75-00094A PMO-COVER SIDE(L) JC72-00523A PMO-COVER_SIDE R 14 JC72-00955A MEC-TRAY(P) JC75-00099A ELA UNIT-FRAME LOWER,1430 JC96-02544A ML-1430/XAA,/XAC ELA UNIT-FRAME LOWER,1430 JC96-02544B ML-1430/XIL, /XEV MEA ETC-ENGINE,1430 ELA UNIT-SMPS_V1 JC96-02559A ML-1430/XAA,/XAC ELA UNIT-SMPS_V2_CHANA JC96-02234B ML-1430/XIL, /XEV SMPS-HVPS JC44-00024A ELA UNIT-RX DRIVE JC96-02125A 12-1 MOTOR-STE 7.5...
  • Page 45 O : Service available X : Service not available Description SEC.Code Q’ty Remark ELA UNIT-CVR FRONT,1430 CBF HARNESS-FRONT PANEL JC39-00112C PMO-COVER FRONT JC72-00677W ML-1430/XAA,/XAC PMO-COVER FRONT JC72-00677Y ML-1430/XIL COVER-M-FRONT(XEV) JC63-00133A ML-1430/XEV PMO-GUIDE STACKER JC72-00511A PMO-DOOR FACE UP PPR-SHEET PAPER GUIDE...

  • Page 46: Shield Engine Unit Assembly

    5-3 Shield Engine Unit Assembly Shield Engine Unit Assembly Parts List O : Service available X : Service not available Description SEC.Code Q’ty Remark ELA HOU-SHIELD_ENGINE 1210 MEC-SHIELD BRKT CONTROL JC75-00105C IPR-SHIELD ENGINE,USB JC70-00130C IPR-BRKT CONTROLLER JC70-00131A PCT-INSULATOR_SMPS1210 JC72-00828A CBF HARNESS-INLET-SWITCH JC39-00134A Samsung Electronics...

  • Page 47: Frame Lower Assembly

    Exploded Views and Parts List 5-4 Frame Lower Assembly 10-2 10-1 38-2 38-1 Samsung Electronics...
  • Page 48 O : Service available X : Service not available Description SEC.Code Q’ty Remark ELA UNIT-FRAME LOWER,KOR 1430 JC96-02544A ML-1430/XAA,/XAC ELA UNIT-FRAME LOWER,KOR 1430 JC96-02544B ML-1430/XIL, /XEV PMO-FRAME LOWER JC72-00533B MEA UNIT-HOLDER-TR,L CKD PMO-HOLDER-TR PMO-BUSHING_TR(L) JC72-00102A SPRING ETC-TR,L 1210 JC61-00458A IPR-PLATE_TR...

  • Page 49: Engine Assembly

    Exploded Views and Parts List 5-5 Engine Assembly 19-2 19-1 21-2 21-1 17-3 21-3 17-1 17-2 14-2 20-1 14-1 20-3 20-2 20-4 18-1 18-3 18-2 11 6 Samsung Electronics...
  • Page 50 19-1 PMO-CAM_PICKUP 19-2 PMO-SHAFT_PICKUP MEA UNIT-HOLDER PAD 1210 JC97-01486A 20-1 PMO-HOLDER PAD LARGE 20-2 PMO-HOLDER_PAD,S 6200 20-3 RPR-PAD FRICTION 20-4 SPRING ETC-PAD MEA UNIT-TRANSFER ROLLER 1430 21-1 PMO-GEAR_TRANSFER 21-2 PPR-SPACER_TR 21-3 MEC-ROLLER_TRANSFER 1430 JC75-00157A CBF HARNESS-THERMISTOR CBF HARNESS-LSU Samsung Electronics...

  • Page 51: Fuser Assembly

    Exploded Views and Parts List 5-6 Fuser Assembly 14-1 14-2 5-10 Samsung Electronics...
  • Page 52 MEA ETC-SHAFT EXIT 14-1 PMO-SHAFT_EXIT(Z15) 14-2 RMO-RUBBER_EXIT PMO-ROLLER_IDLE EXIT SPRING ETC-EXIT PMO-GEAR_EXIT_DRV16 PMO-GEAR_EXIT_IDLE GEAR-FUSER 1210 JC66-00037B LABEL(P)-CAUTION, HOT_FUSER SPRING ETC-EXIT DOWN SPRING ETC-CLAW GEAR-EXIT F/DOWN BEARING-EXIT FU L PMO-COVER FUSER F/DOWN PMO-HOLDER_EXIT_DOWN PMO-EXIT_DOWN,L PMO-EXIT_DOWN,S RMO-RUBBER-KICKER MEC-EXIT,F/DOWN IPR-PIN ROLLER EXIT Samsung Electronics 5-11...

  • Page 53: Plate-Upper Unit Assembly

    O : Service available X : Service not available Description SEC.Code Q’ty Remark MEC-PLATE UPPER JC75-00111A IPR-UPPER-PLATE IPR-PLATE SPRING DEV MEA ETC-ROLLER PICK UP PMO-HOUSING_PICKUP JC72-00109A PMO-IDLE_PICKUP RMO-ROLLER_PICKUP SPRING ETC-FEED ICT-ROLLER IDEL FEED CABLE CLAMP PMO-HOLDER_PICKUP PMO-HOLDER_IDLE,FEED 5-12 Samsung Electronics...
  • Page 54 6. Block Diagram Samsung Electronics...
  • Page 55 THV PWM * EGMOT _A1 MO TOR *THV _EA * NEW_DEVE HV PS THVRE AD EGMOT _ PHA DEV_FUSE * M H VP WM BI ASPW M +5V GND ENG I NE + SM PS Unification ’ d Samsung Electronics...
  • Page 56 Repair Manual Repair Manual LASER PRINTER ML-1430 CONTENTS 1. Block Diagram 2. Connection Diagram 3. Schematic Diagrams...
  • Page 57 This manual is made and described centering around circuit diagram and circuit description needed in the repair center in the form of appendix. Samsung Electronics Digital Printing CS Group Copyright (c) 2002. 4...
  • Page 58 B LOCK DIAG R A M 1. Block Diagra m 1.1 SPL Block Diagram(ML-1430) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 59 * NEW_DEVE HV PS THVRE AD EGMOT _ PHA DEV_FUSE * M HVPWM BI ASPW M +5V GND ENG I NE + SM PS Unification ’d Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 60 S C H E M ATIC DIAG R A M S 3. S ch e m atic Diagra m s 3.1 Main Circuit Diagram (1/5) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 61 S C H E M ATIC DIAG R A M S Main Circuit Diagram (2/5) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 62 S C H E M ATIC DIAG R A M S Main Circuit Diagram (3/5) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 63 S C H E M ATIC DIAG R A M S Main Circuit Diagram (4/5) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 64 S C H E M ATIC DIAG R A M S Main Circuit Diagram (5/5) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 65 C502 C504 R513 MGR1/2W 15MF R509 D501 1W 3 12KF 1N4148 VR501 GIL-S-9P-S2T2-EF 24VS 24VS KA7818 A-GND THV-PWM THV-EA THV-READ MHV-PWM BIAS-PWM 35V 47uF D-GND Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 66 R303 C305 R306 R316 100KF CN1-#5 U1-A R304 KA324 26.1KF 200KF C303 R317 R305 5.1KF C302 R301 D302 470K 1N4148 C304 500V 103 VR301 C301 Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 67 +24VS2 FUSER_ON CN5-16 +24VS +24V A2918SWH 35301-0350 35303-0250 EGMOT_PHA PHASE1 EGMOT_PHB PHASE2 CLUTCH +EGMOT_A1 1008-Y 1008-Y +ENABLE1 2.2K +EGMOT_B1 +ENABLE2 5.6K 5.6K 35303-0450 1.2K 17.4K-F Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 68 +24VS2 FUSER_ON CN5-16 +24V +24VS A2918SWH 35303-0250 35301-0350 EGMOT_PHA PHASE1 EGMOT_PHB PHASE2 CLUTCH 1008-Y +EGMOT_A1 1008-Y +ENABLE1 +EGMOT_B1 2.2K +ENABLE2 5.6K 5.6K 35303-0450 1.2K 17.4K Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 69 S C H E M ATIC DIAG R A M S 3.4 Panel Circuit Diagram Repair Manual 3-10 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 70 - This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. -...

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