Samsung ML-1210, ML-1200 specifications Cover Open, No lamp on when the cover is open

Page 31

Troubleshooting

4-4-6 Cover Open

• Description	The ERROR lamp is on even when the print cover is closed.
	Check and Cause		Solution
1. The hook lever in the top cover may be defective.		1.	Replace the hook lever, if defective.
			(Service Parts : Figure 1, chapter 5)
2. Check the connector and circuit of the cover switch		2.	Check the insertion of the Cover Open Sensor
department in the Main Control board. Perform DCU			Connect.
mode : If Error state '64' occurs, Check the related codes
of the Cover Open Error.
		3.	Replace the Main Control board or Cover Open
			Sensor.
			(Service Parts : Figure 9, chapter 5)

Hook Lever

4-4-7 No lamp on when the cover is open

• Description	The ERROR lamp does not come on even when the printer cover is open

	Check and Cause		Solution

1. Check the connector(CN8) and circuit of the cover switch		1.	Check the insertion of the Cover Open Sensor
department in the 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

Image 31

Contents Laser Printer Version no This manual is stated and provided for service description Replacing Precautions Safety PrecautionsPrecautions on Disassembly and Reassembly Safety PrecautionsElectronic Scale Tools for TroubleshootingToner ML-1210 ML-1220M ML-1250 EngineController PaperFront Cover Cover AssemblyOther Covers LSULaser Scanning Unit LED Panel PBATransfer Roller Motor AssemblyHvps Board Fuser AssemblyThermostat and Halogen Lamp Smps Board Main Board and Sensor Board Cause and solution of the malfunction How to use DCUCause and solution of Bad image Cause and solution of the bad dischargeDCU Setup How to use DCUCode Self Diagnostic Mode Fan Test Self Test ButtonPaper Path Layout PTL TestVertical White Line Cause and solution of Bad imageCheck and Cause Solution Vertical Black Line and BandBlack/White Spot Horizontal Black BandDark Image or a Black Light ImageBackground Uneven DensityGhost Terminal of the supply roller Satins on the FaceDescription Digital Printer Blank Page Print out Satins on BackWrong Print Position Cause and solution of the bad discharge2 JAM 4 JAM 3 JAMPaper rolled in the fuser Multi-Feeding 7 OPC All LEDs blinking Fuser Error Cause and solution of the malfunctionAll LEDs blinking Scan Error Paper Empty Not function of the gear of the fuser due to melting awayPaper Empty without indication Cover Open No lamp on when the cover is openDefective motor operation No PowerVertical Line Getting Curved Precautions on Safe-keeping of Toner Cartridge Toner Cartridge ServiceService for the Life of Toner Cartridge Image Fault Signs Cause & Check Solution Light imageSigns and Measures at Poor toner cartridge Partially blankRecycled product Fault Signs Cause & Check Solution White Black spotFault Signs Cause & Check Solution Ghost & Image Printer is not working Cause and solutions of bad environment of the softwareUtilities program Abnormal Printing How to delete the data in the spool manager Spool ErrorExploded Views and Parts List Service Parts List Exploded Views and Parts ListExploded Views and Parts List No Description Front AssemblyEngine/Frame Lower Assembly 15-2 15-1 14-2 Shield Engine Unit Assembly Plate-Upper Unit Assembly RX Drive AssemblyBlock DiagramGDI Block DiagramPanel Block DiagramPCLConnection DiagramGDI Connection DiagramLSU Connection DiagramPCLRepair Manual Diagram 1250 GDI Connection DiagramML-1210/ML-1220M Connection DiagramPCL PCL Connection DiagramML-1250Schematic 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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