Engine Shield Including Main PBA and Smps | Samsung ML-2015/XEV

Disassembly and Reassembly

5.2.10 Engine Shield (Including Main PBA and SMPS)

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.Disconnect all connectors except the connector which connects the SMPS to the Main PBA.

Mirco S/W	Thermister
	Clutch
	LSU	Motor
		HVPS
		Fuser

3.Release 6 screws as shown as below, separate the harnesses from the shield,and then separate the engine shield with carefulness of the actuator feed sensor lever. (Screw x 6:Silver_M3,6003-000196)

Engine Shield

(W/Main PBA, SMPS)

Actuator Feed Sensor Lever

4.For removing only SMPS, perform the follows in order

:separate the SMPS cover (Refer to the 5.3), release 5 screws, separate the fuser connector and the main PBA connector, and then take out the SMPS.

(Screw x 5 : Gold_M3, 6003-000269)

SMPS

5.For removing only Main PBA, perform the follows in order : separate the SMPS cover (Refer to the 5.3), release 3 screws, separate the main PBA connector, and then take out the main PBA.

(Screw x 3 : Gold_M3, 6003-000269)

Main PBA

Samsung Electronics

Service Manual 5-11

Image 72

Samsung ML-2015/XEV manual Engine Shield Including Main PBA and Smps, For removing only SMPS, perform the follows in order

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 Safety Caution Noxious Material PrecautionElectric Shock or fire Precaution Handling Precautions Assembly/Disassembly precaution ESD Precautions Specifications General SpecificationsProduct Overview Product Specifications Descriptions Controller Electrical Specification Environmental RangeToner 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 S/W Structure and Descriptions IntroductionEngine Control F/W Overview Fan Unit Motors Solenold Clutch 3 F/W Architecture of Engine Control Firmware Engine Interface Module DesignEngine Sensing & Unit Control Module Design Start Error LED Operation LED Behaviors Initial Product Installation Accessory ListInstalling 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 Solving Print Quality Problems Print Quality ChecklistTips 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 Fuser Error All LEDs blinking Scan ErrorMalfunction Not function of the gear of the fuser due to melting away Paper EmptyPaper 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 Bad image Vertical Black Line and BandVertical 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 ML-201520ppm GDI P1284 H/W Block Diagram +5V+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