LSULaser Scan Unit | Samsung CLP-300 XSG specs

Disassembly and Reassembly

5.4.3 LSU(Laser Scan Unit)

1.Follow step 1 through step 3 in Cover Unit Disassembly

2.Lift up the LSU Cover(as shown in Picture) and then take out.

3. Remove 4 screws and then take out the LSU.

5.4.4 HVPS(High Voltage Power Supply)

1.Follow step 1 through step 5 in Cover Unit Disassembly except removing Righ Cover

2. Unscrew 6 screws and then take out the HVPS.

Be careful of taking out the HVPS because there are 7 High Voltage Terminal behind HVPS.

5-12Service Manual

Samsung Electronics

Image 58

Samsung CLP-300 XSG manual LSULaser Scan Unit, HVPSHigh Voltage Power Supply

Contents

Series Model CLP-300 B/W 16 ppm, Color 4 ppm, SPL-C Sheets Semi-cassette Sheet manual slot Sheet Face-Down Version no Contents Information Related in Disassembly and Assembly How to use EDC Engine Diagnostic Control Mode Block diagram Reference Information Precautions Safety Warning Electric Shock and Fire Safety Precautions Toxic material Handling Precautions Assembly / Disassembly Precautions Ensure the printer is installed safely Be careful with the high temperature partWhen you move the printer Disregarding this warning may cause bodily injury ESD Precautions Super Capacitor or Lithium Battery Precautions Product Specifications Product Overview Specifications General Specifications Controller & S/W Paper Handling Consumables Environment Options Accessory Model Comparison Table System Structure Main Parts of System Fuser Ass CassetteLSULaser Scan Unit ITBIntermediate Transfer Belt & 1st Transfer Roller EP Process Structure of EP Process System Outline Paper path Charging Developing ExposingTransfer Fusing Roll system Main PBA Description Main Controller PBA Main PBA Main PBA Description CHORUSm Channels ADC Control Unit 2 Channels DAC Control Unit CHORUSm Internal Block Diagram USB2.0 Device Block System Memory BlockFlash Memory Block Network Block ADC Control Clutches ControlPWM Control DAC Control AC Output SMPSSwitching Mode Power Supply PBADC Output Fuser UnitHeat Lamp, Thermostat HVPSHigh Voltage Power Supply PBA 1st Transfer High Voltage T1+ T2 Cleaning Voltage Clean T2Charger Voltage Charger 2nd Transfer High Voltage T2+ Crum Case of Refill Toner InstallProcess after CRU life expiration Crum Position Processor General DescriptionController Printer Language Emulations Control Panel Periodic Replacing PartsInterfaces Items Sensor Power SwitchOperator Panel Crums Status Monitor ArchitectureLanguage Monitor Can start polling to get the printer status Printer Driver Status Monitor Network Interface System F/W Flow LPEC2 Alarm Shortage Error status Crum Overview FW UpgradeCrum stores the following information Initailize Flow Samsung Electronics Information Related in Disassembly and Assembly page5-5 Precautions When Replacing Parts page5-2Parts for Maintenance and Repair Disassembly Procedure page5-10 Preautions when handling PBA Precautions when replacing partsPrecautions when assembling and disassembling Releasing Plastic Latches Replacement interval for parts with a limited life Parts for Maintenance and RepairItems Pages Printed Part number Printer Cleaning Information Related to Disassembly and Assembly Special service parts Screws used in the printer Samsung Electronics Disassembly and Reassembly Samsung Electronics Cover Unit Disassembly ProcedureTop Cover Fuser Ass’y Remove the Left Cover HVPSHigh Voltage Power Supply LSULaser Scan Unit SMPSSwitching Mode Power Supply Main Board Transfer Roller Follow through in Cover Unit Remove the Smps DisassemblyDrive Ass’y Open Rear Cover Architecture OverviewData and Control Flow Function KEY Function LED Function Firmware downloads mode functionBlack only key input process Toner-low Status Green/Red Service Error LED OperationStatus LED CMYKLEDs Start & end Assert Error LED OperationOnds and then All LEDs turn OFF for approximately 3 seconds Jam Removal Clearing Paper Jams Close the rear cover and then open the top cover Cover will then close automatically Tips for Avoiding Paper Jams Sample Pattern Printing a ConfigurationPrinting a Demo Alignment and Adjustmens Samsung Electronics Periodic Defective Image Keys How to use EDC Engine Diagnostic Control ModeEnterence EDC Map Motor Test Solenoid Test 3.3 LSU/ Fuser Test Hvps Test Error list and recovery MaintenanceOff Message is disappeared Alignment and Adjustmens Error Message LED status legend LED pattern Possible Problem and Solution Troubleshooting Procedure of Checking the Symptoms See Solving General Printing Problems Troubleshooting ChecklistPrinted correctly Print a short document from a Solving General Printing Problems Manual Troubleshooting Samsung Electronics Solving Print Quality Problems Vertical repetitive Background scatter Check for leaking toner. Clean the inside of the printer Ensure that the paper is loaded properly Character Voids Horizontal stripes Common Windows Problems Common Macintosh Problems Common Linux Problems Am trying to print a document Enabled even though I dontErrors Accessible to the user owning the spooler daemon Landscape mode, but it prints Interactively and see if you get error messages Dor to inform them of the issue Major Problems Trouble shooting Vertical Line and Band Vertical White Line 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 ITB Unit 2114 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 Schematic Diagrams Main Board1/15 Main Board2/15 ADDR123 DATA031 Main Board3/15 MMSD914T1 Main Board4/15 Vclk Main Board5/15 CLX-3160FN Main Board6/15 1105-001384 Main Board7/15 CLX-3160NFN Only Main Board8/15 CLP-300N & CLX-3160NFN Only Invpower Main Board9/15 Main Board10/15 For Debug Main Board11/15 CLX-3160FN Only Main Board12/15 Main Board13/15 Devehome Main Board14/15 Bldc Itbclutch Main Board15/15 Hvps Panel Deve INF ITB INF SMPS-110V CON1 TNR01 SMPS-220V Hvps 1/5 Hvps 2/5 Hvps 3/5 Hvps 4/5 Hvps 5/5 Tools for Troubleshooting Acronyms and Abbreviations Printer Command Language Nonvolatile Random AccessPrinted Board Assembly A60, B60 Pins Select a location for the printer 12.4 A4 ISO 19752 Standard Pattern This test page is reproduced at 70% of the normal A4 size