Samsung ML-1200, ML-1210 specifications Contents

Page 80

Contents

CONTENTS

1. Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(1-1)

1-1 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(1-1) 1-2 Precautions on Disassembly and Reassembly . . . . . . . . . . . . . . .page(1-1) 1-3 Tools for Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(1-2)

2. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(2-1)

3. Disassembly and Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . .page(3-1)

3-1 Cover Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(3-1)

3-2 LED Panel PBA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(3-2)

3-3 LSU(Laser Scanning Unit) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(3-2)

3-4 Transfer Roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(3-3)

3-5 Motor Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(3-3)

3-6 HVPS Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(3-4)

3-7 Fuser Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(3-4)

3-8 Thermostat and Halogen Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . .page(3-5)

3-9 SMPS Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(3-6)

3-10 Main Board and Sensor Board . . . . . . . . . . . . . . . . . . . . . . . . . . .page(3-7)

4. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(4-1)

4-1 How to use DCU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(4-2) 4-2 The cause and solution of Bad image . . . . . . . . . . . . . . . . . . . . . .page(4-5) 4-3 The cause and solution of the bad discharge. . . . . . . . . . . . . . . . .page(4-12) 4-4 The cause and solution of the malfunction . . . . . . . . . . . . . . . . . . .page(4-16) 4-5 Toner Cartridge Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(4-21) 4-6 The cause and solutions of bad environment of the software . . . .page(4-25)

5. Exploded Views and Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . .page(5-1)

5-1 Expolded Views and Parts List

.page(5-2)

5-2 Front Assembly

.page(5-4)

5-3 Engine/Frame Lower Assembly

.page(5-6)

5-4

Fuser Assembly

.page(5-8)

5-5

Shield Engine Unit Assembly

.page(5-10)

5-6

RX Drive Assembly

.page(5-12)

5-7

Plate-Upper Unit Assembly

.page(5-14)

6. Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(6-1)

6-1 Block Diagram(GDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(6-1)

6-2 Block Diagram(PCL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(6-2)

7. Connection Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(7-1)

7-1 Connection Diagram(GDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(7-1)

7-2 Connection Diagram(PCL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page(7-2)

Samsung Electronics

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Contents Laser Printer Version no This manual is stated and provided for service description Safety Precautions Precautions on Disassembly and ReassemblySafety Precautions Replacing PrecautionsTools for Troubleshooting Electronic ScaleML-1210 ML-1220M ML-1250 Engine ControllerPaper TonerOther Covers Cover AssemblyFront Cover LED Panel PBA LSULaser Scanning UnitMotor Assembly Transfer RollerFuser Assembly Hvps BoardThermostat and Halogen Lamp Smps Board Main Board and Sensor Board How to use DCU Cause and solution of Bad imageCause and solution of the bad discharge Cause and solution of the malfunctionCode How to use DCUDCU Setup Self Diagnostic Mode Self Test Button Paper Path LayoutPTL Test Fan TestCause and solution of Bad image Check and Cause SolutionVertical Black Line and Band Vertical White LineHorizontal Black Band Black/White SpotLight Image Dark Image or a BlackUneven Density BackgroundGhost Description Digital Printer Satins on the FaceTerminal of the supply roller Satins on Back Blank Page Print out2 JAM Cause and solution of the bad dischargeWrong Print Position 3 JAM 4 JAMMulti-Feeding Paper rolled in the fuser7 OPC All LEDs blinking Scan Error Cause and solution of the malfunctionAll LEDs blinking Fuser Error Paper Empty without indication Not function of the gear of the fuser due to melting awayPaper Empty 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 Fault Signs Cause & Check Solution Light image Signs and Measures at Poor toner cartridgePartially blank ImageFault Signs Cause & Check Solution White Black spot Recycled productFault Signs Cause & Check Solution Ghost & Image Cause and solutions of 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 Exploded Views and Parts List Service Parts ListExploded Views and Parts List Front Assembly No DescriptionEngine/Frame Lower Assembly 15-2 15-1 14-2 Shield Engine Unit Assembly RX Drive Assembly Plate-Upper Unit AssemblyBlock Diagram Block DiagramGDIBlock DiagramPCL PanelConnection Diagram Connection DiagramGDIConnection DiagramPCL LSURepair Manual Diagram 1250 Connection Diagram GDI Connection DiagramML-1210/ML-1220MPCL Connection DiagramML-1250 PCLSchematic Diagrams Main Circuit Diagram 2/5 Main Circuit Diagram 3/5 Main Circuit Diagram 4/5 Main Circuit Diagram 5/5 PC L Main Circuit Diagram 1/9 PCL Main Circuit Diagram 2/9 PCL Main Circuit Diagram 3/9 PCL Main Circuit Diagram 4/9 PCL MainCircuit Diagram 5/9 PCL Main Circuit Diagram 6/9 PCL Main Circuit Diagram 7/9 PCL Main Circuit Diagram 8/9 PCL Main Circuit Diagram 9/9 Hvps Circuit Diagram 1/2 Hvps Circuit Diagram 2/2 Smps Circuit Diagram No Marking Resistor 1/4W-J 5% Panel Circuit Diagram Page Samsung Electronics Digital Printing CS Group Contents
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