Samsung SCX-4100 specifications Fault Signs Cause & Check Solution Ghost & Image

Page 88

Troubleshooting

Fault

Signs

Cause & Check

Solution

 

 

 

 

Ghost & Image

• The printed image

1. The printed image is too light

1. All of Items 1, 2, 3

Contamination

is too light or dark,

or dark, or partially

(a) Clean the contacts on the

 

or partially

contaminated black.

toner cartridge.

 

contaminated black.

(a) Check if foreign substance

(b) Clean the contact points on

 

 

or toner are stuck to the

the set.

 

• Totally

terminals (point of contact)

(c) If the terminal assembly is

 

contaminated black.

of the toner cartridge or set.

damaged repair or replace

 

(Black image

(b) Check if the terminal

the terminals in the set or

 

printed out)

assembly is normal.

replace the cartridge

 

• The density of

2. Totally contaminated black.

2. In Item 2

 

printouts is too dark

(Black image printed out)

This is particularly related to

 

and ghost occurs.

(a) Check if foreign

problems with the charge roller

 

 

substances are stuck to

contact. Pay close attention to

 

 

the terminal (point of

the charge roller contacts.

 

 

contact) of the toner

 

 

 

cartridge or set.

3. In Item 3

 

 

(b) Check if the terminal

This is particularly related to

 

 

assembly is normal.

problems with the developer

 

 

(Especially check the

bias voltage contact. Pay close

 

 

charge roller terminal.)

attention to the charge roller

 

 

 

contacts.

 

 

3. The printed image is dark and

 

 

 

ghost occurs.

 

 

 

(a) Check if foreign

 

 

 

substances are stuck to

 

 

 

the terminal (point of

 

 

 

contact) of the toner

 

 

 

cartridge or set.

 

 

 

(b) Check if the terminal

 

 

 

assembly is normal.

 

 

 

(Especially check the

 

 

 

developer roller terminal.)

 

 

 

 

 

Service Manual

7-23

Samsung Electronics

Image 88
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 Feeding5 LSU FusingHeat Lamp Method Memo Releasing Plastic Latches General Precautions on DisassemblyWhenever 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 FeederClearing the Memory Printing the System Data ListClearing the Drum Consumables and Replacement Parts LCD Status Display by Each ErrorPeriodic Defective Image Roller Defective image Typical defectVertical Black Lines and Bands Printing Problems Causes and SolutionsVertical 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 outWhite Copy Copy ProblemsBlack Copy Abnormal noise Defective Image QualityWrong Print Position Paper Feed problems Causes and Solutions2 JAM 3 JAM 4 JAMMulti-Feeding Paper rolled in the fuserPaper rolled on the OPC Drum Fuser Error Printer Faults Causes and SolutionsLSU 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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