Troubleshooting, Checking Symptoms | Samsung ML-2015/XEV instruction

6 Troubleshooting

6. Troubleshooting

6.1 Checking Symptoms

Before attempting to repair the printer first obtain a detailed description of the problem from the customer.

Power On

On-Line LED		- No Power
		- Power Module error
ON?
		- Main PBA

On-Line LED		Indicate		Refer to
Green OK?		"Lamp toggle"		"Chapter 4.4"

Print(test pattern)

printing		Refer to "Solution
Quality is
		of Image Problem"
Nomal?

END

	Service Manual	6-1
Samsung Electronics		6-1
Samsung Electronics

Image 76

Samsung ML-2015/XEV manual Troubleshooting, Checking Symptoms

Contents

Laser Printer Version no .00 Code JC-0141I Contents Disassembly and Reassembly TroubleshootingExploded Views & Parts List Block diagram Reference Information Circuit Description Precautions Safety Warning Noxious Material Precaution Safety CautionElectric Shock or fire Precaution Handling Precautions Assembly/Disassembly precaution ESD Precautions General Specifications SpecificationsProduct Overview Product Specifications Descriptions Controller Environmental Range Electrical SpecificationToner Cartridge Paper Handling Specifications Input Paper Size Model Comparison Table ML-1610 Series ML-2010 Series Remark System Overview System Outline Hvps Smps Feeding Transfer Ass’yDriver Ass’y Fuser System Overview LSU Laser Scanner Unit Cleaning Blade H/W Structure and Descriptions 1 H/W Overview Flash Memory Main Board 12.0MHz Sdram AsicSPGPm Specification Timer Interrupt Controller IntcUSB interface Serial port interface Uart Jupiter4E Internal Block Diagram Sensor Controller Paper Feeding/Width Smps board Switching Module Power Supply Pin Signal Smps Specification CH1 CH2 Hvps board High Voltage Power Supply Transfer High Voltage THV+Charge Voltage MHV Developing Voltage DEV Supply Fuser AC Power Control Introduction S/W Structure and DescriptionsEngine Control F/W Overview Fan Unit Motors Solenold Clutch Engine Interface Module Design 3 F/W Architecture of Engine Control FirmwareEngine Sensing & Unit Control Module Design Start Error LED Operation LED Behaviors Accessory List Initial Product InstallationInstalling the Toner Cartridge System Overview Samsung Electronics Loading Paper You can load approximately 150 sheets of paper in the tray Connecting a Printer Cable Turning the Printer on Printing a Demo Installing Printer Software If you are printing from WindowsIf you are printing in Linux System Requirements Alignment and Adjustments Sample Pattern OP Panel On Line/Error and Toner Save LEDs Control Panel Cancel button Consumables and Replacement Parts LED Status Error Message Periodic Defective Image Roller Defective image Typical defect How to use DCU DCU Setup Code Normal Code Self Diagnostic Mode 13 THV+ TRIGGER. ALL HV Self Test Button Functi on Enter Up/ Down Stop Remar k Paper Path Clearing Paper Jams Paper Exit Area Samsung Electronics Paper Feed Area Around the Toner Cartridge Samsung Electronics Print Quality Checklist Solving Print Quality ProblemsTips for Avoiding Paper Jams Disassembly and Reassembly Disassembly and Reassembly Front Cover MP Tray Cassette Tray Smps Cover Main Cover Top Cover Hvps RX Drive Thermister Thermo Cap Engine Shield Including Main PBA and Smps For removing only SMPS, perform the follows in order 11 LSU Paper Path Frame PickUp Roller Troubleshooting Checking Symptoms Basic Check List Check Power part Check the Installation EnvironmentInitial Inspection Check paper type Check and Cause Solution Bad dischargeWrong Print Position 2 JAM 3 JAM 4 JAM Multi-Feeding Paper rolled in the Toner Cartridge OPC Drum All LEDs blinking Scan Error All LEDs blinking Fuser ErrorMalfunction Paper Empty Not function of the gear of the fuser due to melting awayPaper Empty without indication No lamp on when the cover is open Cover Open No Power Defective motor operation Vertical Line Getting Curved Bad Software Environment Printer is not working Utilities program Abnormal Printing Spool Error How to delete the data in the spool manager Vertical Black Line and Band Bad imageVertical White Line Horizontal Black Band Black/White Spot Light Image Dark Image or a Black Uneven Density Background Ghost Stains on the Face Description Digital Printer Stains on Back Blank Page Print out Exploded Views and Parts List ML-2010/XEV Main Assembly Assembly Fuser Unit Paper Path Unit MP Tray Assembly Basic Parts List ML-2010/XEV Paper Path Assembly MP Tray Assembly FELT-FRAME Noise LML-2010,POLYESTER RAY SNA IC ASIC-JUPITER4ES4FD004X,ML-1520,160P MEC-BUSHING AGI LSF-5100,SEC,POM+SANTOP SNA JUPITER4e +5V ML-201520ppm GDI P1284 H/W Block Diagram+24V Diagram Schematic Diagrams Main Board2/5 Main Board3/5 Main Board4/5 Main Board5/5 Connector Circuit Diagram Smps Circuit Diagram Hvps Circuit Diagram1/3 Hvps Circuit Diagram2/3 Hvps Circuit Diagram3/3 Troubleshooting Tool Acronyms and Abbreviations1 Abbreviations Explanation Acronyms and Abbreviations2 SPL Selecting printer locations Sample Tests Patterns A4 ISO 19752 Standard Patterns 12.1 Engine Controller Heater Control Circuit Description PWM Controller Motor Driver LSU Controller APB Bridge PVC Lsuc ADC Controller Name Direction Description