Periodic Defective Image | Samsung CLP-300 XSG specification

Alignment and Adjustmens

6.5 Periodic Defective Image

If an image defects appears at regular intervals on the printed-paper, it is due to a faulty or damaged roller.

Refer to the table below and check the condition of the appropriate roller.

No

Roller

Period

Phenomenon

1

OPC Drum

188.5 mm

White and Black Spots

2

Charge Roller

37.7mm

Black Spot and line and Periodic Band

3

Supply Roller

47.5mm

Periodic Band by little difference of density

4

Developing Roller

26.0mm

White Spot, Horizontal black band

5

1st Transfer Roller

32.7mm

Ghost, Damaged Image by abnormal tranfer

6

2nd Transfer Roller

57.5mm

Ghost, Damaged Image by abnormal tranfer

7

Heat Roller

86.6mm

Black Spots or Vertical Black Band

8

Pressure Roller

86.6mm

Background

	6-12	Service Manual
	6-12	Samsung Electronics
		Samsung Electronics

Image 72

Samsung CLP-300 XSG manual Periodic Defective Image

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 Be careful with the high temperature part When you move the printerEnsure the printer is installed safely 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 Cassette LSULaser Scan UnitFuser Ass ITBIntermediate Transfer Belt & 1st Transfer Roller EP Process Structure of EP Process System Outline Paper path Charging Exposing DevelopingTransfer 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 System Memory Block Flash Memory BlockUSB2.0 Device Block Network Block Clutches Control PWM ControlADC Control DAC Control SMPSSwitching Mode Power Supply PBA DC OutputAC Output Fuser UnitHeat Lamp, Thermostat HVPSHigh Voltage Power Supply PBA T2 Cleaning Voltage Clean T2 Charger Voltage Charger1st Transfer High Voltage T1+ 2nd Transfer High Voltage T2+ Case of Refill Toner Install CrumProcess after CRU life expiration Crum Position General Description ControllerProcessor Printer Language Emulations Periodic Replacing Parts InterfacesControl Panel Items Power Switch Operator PanelSensor Crums Architecture Language MonitorStatus Monitor Can start polling to get the printer status Printer Driver Status Monitor Network Interface System F/W Flow LPEC2 Alarm Shortage Error status FW Upgrade Crum OverviewCrum stores the following information Initailize Flow Samsung Electronics Precautions When Replacing Parts page5-2 Parts for Maintenance and RepairInformation Related in Disassembly and Assembly page5-5 Disassembly Procedure page5-10 Precautions when replacing parts Precautions when assembling and disassemblingPreautions when handling PBA Releasing Plastic Latches Parts for Maintenance and Repair Replacement interval for parts with a limited lifeItems 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 Disassembly Procedure Cover UnitTop Cover Fuser Ass’y Remove the Left Cover HVPSHigh Voltage Power Supply LSULaser Scan Unit SMPSSwitching Mode Power Supply Main Board Follow through in Cover Unit Remove the Smps Disassembly Drive Ass’yTransfer Roller Open Rear Cover Overview ArchitectureData and Control Flow Function KEY Function Firmware downloads mode function LED FunctionBlack only key input process Service Error LED Operation Status LEDToner-low Status Green/Red CMYKLEDs Assert Error LED Operation Start & endOnds 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 Printing a Configuration Sample PatternPrinting a Demo Alignment and Adjustmens Samsung Electronics Periodic Defective Image How to use EDC Engine Diagnostic Control Mode EnterenceKeys EDC Map Motor Test Solenoid Test 3.3 LSU/ Fuser Test Hvps Test Maintenance Error list and recoveryOff Message is disappeared Alignment and Adjustmens Error Message LED status legend LED pattern Possible Problem and Solution Troubleshooting Procedure of Checking the Symptoms Troubleshooting Checklist See Solving General Printing ProblemsPrinted 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 Enabled even though I dont Errors Accessible to the user owning the spooler daemonAm trying to print a document 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 Nonvolatile Random Access Printed Board AssemblyPrinter Command Language 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