11 LSU | Samsung ML-2015/XEV specs

Disassembly and Reassembly

5.2.11 LSU

1.Before Disassembling

-Separate the font cover.(Refer to 5.2)

-Separate the SMPS cover.(Refer to 5.3) -Separate the Main cover.(Refer to 5.4)

2.Release 3 screws as shown as below, lift up the LSU, and then disconnect 2 connectors from the separated LSU. (Screw x 2:Silver_M3,6003-000196)

LSU

5-12Service Manual

Samsung Electronics

Image 73

Samsung ML-2015/XEV manual 11 LSU

Contents

Laser Printer Version no .00 Code JC-0141I Contents Troubleshooting Disassembly and ReassemblyExploded Views & Parts List Block diagram Circuit Description Reference Information Safety Warning Precautions Noxious Material Precaution Safety CautionElectric Shock or fire Precaution Assembly/Disassembly precaution Handling Precautions ESD Precautions General Specifications SpecificationsProduct Overview Controller Product Specifications Descriptions Environmental Range Electrical SpecificationToner Cartridge Input Paper Size Paper Handling Specifications ML-1610 Series ML-2010 Series Remark Model Comparison Table System Outline System Overview Hvps Smps Transfer Ass’y FeedingDriver Ass’y Fuser System Overview LSU Laser Scanner Unit Cleaning Blade 1 H/W Overview H/W Structure and Descriptions Flash Memory 12.0MHz Main Board Sdram AsicSPGPm Specification Interrupt Controller Intc TimerUSB interface Serial port interface Uart Jupiter4E Internal Block Diagram Paper Feeding/Width Sensor Controller Pin Signal Smps board Switching Module Power Supply CH1 CH2 Smps Specification Transfer High Voltage THV+ Hvps board High Voltage Power SupplyCharge 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 LED Behaviors Error LED Operation Accessory List Initial Product InstallationInstalling the Toner Cartridge System Overview Samsung Electronics You can load approximately 150 sheets of paper in the tray Loading Paper Connecting a Printer Cable Printing a Demo Turning the Printer on If you are printing from Windows Installing Printer SoftwareIf you are printing in Linux System Requirements Sample Pattern Alignment and Adjustments Control Panel OP Panel On Line/Error and Toner Save LEDs Cancel button LED Status Error Message Consumables and Replacement Parts Roller Defective image Typical defect Periodic Defective Image DCU Setup How to use DCU Normal Code Code Self Diagnostic Mode 13 THV+ TRIGGER. ALL HV Functi on Enter Up/ Down Stop Remar k Self Test Button Paper Path Paper Exit Area Clearing Paper Jams Samsung Electronics Around the Toner Cartridge Paper Feed Area Samsung Electronics Print Quality Checklist Solving Print Quality ProblemsTips for Avoiding Paper Jams Disassembly and Reassembly Front Cover Disassembly and Reassembly MP Tray Smps Cover Cassette Tray Main Cover Top Cover Hvps RX Drive Thermister Thermo Cap For removing only SMPS, perform the follows in order Engine Shield Including Main PBA and Smps 11 LSU Paper Path Frame PickUp Roller Checking Symptoms Troubleshooting Basic Check List Check the Installation Environment Check Power partInitial Inspection Check paper type Bad discharge Check and Cause SolutionWrong Print Position 2 JAM 4 JAM 3 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 Cover Open No lamp on when the cover is open Defective motor operation No Power Vertical Line Getting Curved Printer is not working Bad Software Environment Utilities program Abnormal Printing How to delete the data in the spool manager Spool Error Vertical Black Line and Band Bad imageVertical White Line Black/White Spot Horizontal Black Band Dark Image or a Black Light Image Background Uneven Density Ghost Description Digital Printer Stains on the Face Blank Page Print out Stains on Back 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 Abbreviations Explanation Acronyms and Abbreviations1 SPL Acronyms and Abbreviations2 Selecting printer locations A4 ISO 19752 Standard Patterns Sample Tests Patterns Heater Control 12.1 Engine Controller Circuit Description PWM Controller LSU Controller Motor Driver APB Bridge PVC Lsuc Name Direction Description ADC Controller