Main Board, SMPSSwitching Mode Power Supply | Samsung CLP-300 XSG

Disassembly and Reassembly

5.4.5 Main Board

1.Follow step 1 through step 4 in Cover Unit Disassembly

2.Unscrew 5 screws and then take out the Main Board after plug out all the Harness.

5.4.6 SMPS(Switching Mode Power Supply)

1.Follow step 1 through step 4 in Cover Unit Disassembly

3.Unscrew 2 screws and then take out the SMPS after plug out all the Harness.

2. Remove the Main Board

Samsung Electronics

Service Manual 5-13

Image 59

Samsung CLP-300 XSG manual Main Board, SMPSSwitching Mode Power Supply

Contents

Sheets Semi-cassette Sheet manual slot Sheet Face-Down Series Model CLP-300 B/W 16 ppm, Color 4 ppm, SPL-C Version no Contents How to use EDC Engine Diagnostic Control Mode Information Related in Disassembly and Assembly Block diagram Reference Information Safety Warning Precautions Toxic material Electric Shock and Fire Safety Precautions Assembly / Disassembly Precautions Handling Precautions Disregarding this warning may cause bodily injury Be careful with the high temperature partWhen you move the printer Ensure the printer is installed safely Super Capacitor or Lithium Battery Precautions ESD Precautions Product Overview Product Specifications General Specifications Specifications Controller & S/W Paper Handling Consumables Environment Options Accessory Model Comparison Table Main Parts of System System Structure ITBIntermediate Transfer Belt & 1st Transfer Roller CassetteLSULaser Scan Unit Fuser Ass Structure of EP Process EP Process Charging System Outline Paper path Transfer ExposingDeveloping Roll system Fusing Main Controller PBA Main PBA Description Main PBA CHORUSm Main PBA Description Channels ADC Control Unit 2 Channels DAC Control Unit CHORUSm Internal Block Diagram Network Block System Memory BlockFlash Memory Block USB2.0 Device Block DAC Control Clutches ControlPWM Control ADC Control Fuser UnitHeat Lamp, Thermostat SMPSSwitching Mode Power Supply PBADC Output AC Output HVPSHigh Voltage Power Supply PBA 2nd Transfer High Voltage T2+ T2 Cleaning Voltage Clean T2Charger Voltage Charger 1st Transfer High Voltage T1+ Process after CRU life expiration Case of Refill Toner InstallCrum Crum Position Printer Language Emulations General DescriptionController Processor Items Periodic Replacing PartsInterfaces Control Panel Crums Power SwitchOperator Panel Sensor Can start polling to get the printer status ArchitectureLanguage Monitor Status Monitor Network Interface Printer Driver Status Monitor LPEC2 System F/W Flow Error status Alarm Shortage Crum stores the following information FW UpgradeCrum Overview Initailize Flow Samsung Electronics Disassembly Procedure page5-10 Precautions When Replacing Parts page5-2Parts for Maintenance and Repair Information Related in Disassembly and Assembly page5-5 Releasing Plastic Latches Precautions when replacing partsPrecautions when assembling and disassembling Preautions when handling PBA Items Pages Printed Part number Parts for Maintenance and RepairReplacement interval for parts with a limited life Printer Cleaning Special service parts Information Related to Disassembly and Assembly Screws used in the printer Samsung Electronics Disassembly and Reassembly Samsung Electronics Top Cover Disassembly ProcedureCover Unit Remove the Left Cover Fuser Ass’y LSULaser Scan Unit HVPSHigh Voltage Power Supply Main Board SMPSSwitching Mode Power Supply Open Rear Cover Follow through in Cover Unit Remove the Smps DisassemblyDrive Ass’y Transfer Roller Data and Control Flow OverviewArchitecture KEY Function Function Black only key input process Firmware downloads mode functionLED Function CMYKLEDs Service Error LED OperationStatus LED Toner-low Status Green/Red Onds and then All LEDs turn OFF for approximately 3 seconds Assert Error LED OperationStart & end Clearing Paper Jams Jam Removal Cover will then close automatically Close the rear cover and then open the top cover Tips for Avoiding Paper Jams Printing a Demo Printing a ConfigurationSample Pattern Alignment and Adjustmens Samsung Electronics Periodic Defective Image EDC Map How to use EDC Engine Diagnostic Control ModeEnterence Keys Solenoid Test Motor Test 3.3 LSU/ Fuser Test Hvps Test Off Message is disappeared MaintenanceError list and recovery Alignment and Adjustmens LED status legend LED pattern Possible Problem and Solution Error Message Procedure of Checking the Symptoms Troubleshooting Printed correctly Print a short document from a Troubleshooting ChecklistSee Solving General Printing Problems Solving General Printing Problems Manual Troubleshooting Samsung Electronics Solving Print Quality Problems Background scatter Vertical repetitive Ensure that the paper is loaded properly Check for leaking toner. Clean the inside of the printer Horizontal stripes Character Voids Common Macintosh Problems Common Windows Problems Common Linux Problems Landscape mode, but it prints Enabled even though I dontErrors Accessible to the user owning the spooler daemon Am trying to print a document Dor to inform them of the issue Interactively and see if you get error messages Vertical Line and Band Vertical White Line Major Problems Trouble shooting Light Image Dark Image or black Background 6 JAM Troubleshooting Paper Empty Cover Open Defective motor operation No Power Vertical Line Getting Curved LSU Error Exploded Views and Parts List Main Top Cover Rear Cover Front Cover Main Driver1 Main Driver2 Main Frame1 Main Frame2 LSU Cover Fuser Unit ELA-UNIT OPC DEV 2114 ITB Unit Casstte Unit Service Parts List Model code CLP-300/XSG BRACKET-P-DRIVE MOTORCLP-300,SECC,T1.2 SNA Cable CLAMPDAMC-101,D7~8,L19,SCP-1,NTR SNA SCREW-SPECIALPH,+,-,M3,L10.3,ZPCBLK,S SNA CBF HARNESS-FUSELINK1CLP-300,WIRE Harn BUSH-M-TR ITBCLP-300,POMAT-15CF,ID6 SNA SOCKET-IC8P,DIP,SN,2.54MM SNA RUBBER-BELT BLACKCLP-300,NBR,0.7T,-,22 SNA TONER-YELLOWCLP-300,SAY-79GZ-K1,YELLOW SNA RING-ETCID2.2,OD6.4,T3,BLK,STS304 SNA FRAME-M-DEVE YELLOWCLP-300,ABS+GF20%,GR SNA SEAL-WASTE BCLP-300,POLY-URETHANESHL SNA TANK-M-WASTECLP-300,ABSTR557A,T2.0,W1 SNA GUIDE-M-BUSH IDL ITB LCLP-300,POM M90-4 SNA Smps Main Main Board1/15 Schematic Diagrams ADDR123 DATA031 Main Board2/15 MMSD914T1 Main Board3/15 Vclk Main Board4/15 CLX-3160FN Main Board5/15 1105-001384 Main Board6/15 CLX-3160NFN Only Main Board7/15 CLP-300N & CLX-3160NFN Only Main Board8/15 Main Board9/15 Invpower For Debug Main Board10/15 CLX-3160FN Only Main Board11/15 Main Board12/15 Devehome Main Board13/15 Bldc Itbclutch Main Board14/15 Hvps Main Board15/15 Panel Deve INF ITB INF CON1 TNR01 SMPS-110V SMPS-220V Hvps 1/5 Hvps 2/5 Hvps 3/5 Hvps 4/5 Hvps 5/5 Tools for Troubleshooting Acronyms and Abbreviations A60, B60 Pins Nonvolatile Random AccessPrinted Board Assembly Printer Command Language Select a location for the printer This test page is reproduced at 70% of the normal A4 size 12.4 A4 ISO 19752 Standard Pattern