Samsung SCX-4100 specifications Stains on Back, Blank Page Print out

Page 72

Troubleshooting

7.1.14 Stains on Back of Page

• Description

Digital

DigitalPri

Digital Printer

Digital Printer

Digital Printer

The back of the page is stained at 46.5 or 58.7 mm intervals.

Check and Cause

Solution

 

 

1. 46.5mm : Transfer roller is contaminated.

1. Perform the OPC Cleaning Mode Print 2 or

 

3 times. Run Self-Test to remove the

 

contamination from the transfer roller.

 

Note. Replace the transfer roller if

 

contaminated severely.

2. 58.7mm : Pressure roller is contaminated.

2. Disassemble the fuser and clean the

 

H/R(Heat Roller) and P/R(Pressure roller).

 

Check and clean the area between the

 

H/R and the Thermistor. (Caution: Take

 

care not to deform the rollers.)

 

 

7.1.15 Blank Page Print out (1)

• Description

Blank page is printed.

 

 

 

 

 

 

 

Check and Cause

Solution

 

 

 

 

 

 

 

 

Bad ground contacts in OPC and/or toner

1. Check if the Ground-OPC or the OPC

 

 

cartridge.

Ground Zener diode are defective or open

 

 

 

circuit. (set inside left side).

 

 

 

2. Remove contamination of the terminals on

 

 

 

the toner cartridge and the unit.

 

 

 

 

 

 

 

 

7.1.16 Blank Page Print out (2)

1. Blank page is printed.

• Description 2. One or several blank pages are printed.

3. When the printer turns on, several blank pages print.

Check and Cause

Solution

 

 

1. Abnormal solenoid.

1. Perform the engine self test using TECH

 

Mode to check if the Solenoid is normal.

 

If the problem persists replace the main

 

PBA

 

 

Service Manual

7-7

Samsung Electronics

Page 71 Page 73
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Page 71 Page 73
Contents Precautions SpecificationsTroubleshooting Block DiagramHttp//itself.sec.samsung.co.kr Precautions Safety WarningElectric Shock and Fire Safety Precautions Toxic materialHandling Precautions Assembly / Disassembly PrecautionsBe careful with the high temperature part Disregarding this warning may cause bodily injuryESD Precautions Tool for Troubleshooting Acronyms and Abbreviations IPC Select a location for the printer Sample Pattern for the Test 1 A4 5% Pattern2 A4 2% Pattern 3 A4 IDC 5% Patten Memo Specifications General SpecificationsPrint Specification Scan SpecificationCopy Specification CopyPaper Handiling Specification Other Specification WhqlMemo Printer Components Front ViewRear View Control Panel System Layout Paper Feed Mechanism Transfer Ass’yDrive Ass’y Fixing PartFuserSafety Relevant Facts Scanner UnitScan Image Controller CIS Driver CircuitLSU Laser Scanner Unit Toner Cartridge Main PBA Asic Chorus2 Flash MemorySdram Sensor input circuitPaper Feeding, Toner Cartridge Sensing Paper Exit SensingCover Open Sensing DC FAN / Solenoid DriverSmps & Hvps HVPSHigh Voltage Power Supply Smps Switching Mode Power Supply Rated Power OutputConsumption Power Length of Power Cord 1830 ± 50mm Power Switch FittedFuser AC Power Control FeatureEnvironment Condition Safty RequrementEngine F/W DriveTransfer FeedingFusing 5 LSUHeat Lamp Method Memo General Precautions on Disassembly Releasing Plastic LatchesWhenever servicing the machine, you must perform as follows Front and Rear Cover Units Side Covers Scanner Ass’y Remove Scanner Ass’yDismantle Scanner Ass’y Spring Pulley Idle ETC Belt Middle Cover FuserHeat Lamp Type Remove 4 screws and divide the Fuser into two parts Exit Roller LSUFan Engine Shield Ass’y Smps Transfer Roller Feed Roller Remove the Feed Roller and Feed Roller1, as shown below Pick Up Roller & Solenoid Memo Engine Test Mode To enter the Engine Test ModeDiagnostic To enter the Engine Test modePaper Path Clearing Paper Jams Paper TrayPaper Exit Area Fuser Area or Around the Toner Cartridge Manual FeederPrinting the System Data List Clearing the MemoryClearing the Drum Consumables and Replacement Parts LCD Status Display by Each ErrorPeriodic Defective Image Roller Defective image Typical defectPrinting Problems Causes and Solutions Vertical Black Lines and BandsVertical White Line Horizontal Black Bands Black/White SpotLight Image Dark Image or a BlackUneven Density BackgroundGhost Stains on the Face Digital Printer GhostStains on Back Blank Page Print outCopy Problems White CopyBlack Copy Abnormal noise Defective Image QualityPaper Feed problems Causes and Solutions Wrong Print Position2 JAM 3 JAM 4 JAMMulti-Feeding Paper rolled in the fuserPaper rolled on the OPC Drum Printer Faults Causes and Solutions Fuser ErrorLSU Error Fuser gear melts due to overheating causing Paper Jam Paper EmptyPaper Empty without indication Cover OpenNo error message when the cover is open No Power Defective motor operationPrinted Vertical Lines become curved Toner Cartridge Service Precautions on Safe-keeping of Toner CartridgeService for the Life of Toner Cartridge Standard of guarantee for consumable partsSigns and Measures of Poor toner cartridge EndedFault Signs Cause & Check Solution Fault Signs Cause & Check Solution Ghost & Image Software Problems Causes and Solutions Printer is not workingNot working with the message insufficient printer Abnormal Printing Spool Error How to delete the data in the spool managerMemo Exploded Views and Parts List Main Assembly Main Assembly Parts List Frame Assembly Frame Unit Assembly Parts List Description SEC.Code ’ty RemarkFrame Unit Assembly Parts ListCont Scanner Unit Assembly Scanner Unit Assembly Parts List Fuser Unit Assembly Fuser Unit Assembly Parts List WASHER-PLAIN Middle Cover Unit Assembly Middle Cover Unit Assembly Parts List ’ty RemarkDrive Unit Assembly Drive Unit Assembly Parts ListCassette Unit Assembly Cassette Unit Assembly Parts List Block Diagram 10.10Connection Diagram
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