Samsung SCX-4100 specifications Engine Shield Ass’y, Main PBA

Page 51

Disassembly and Reassembly

5.11 Engine Shield Ass’y

1.Before you remove the Fuser, you should remove:

-Rear Cover (see page 5-2)

-Side Covers (see page 5-3)

-Fuser Connector (see page 5-7)

2.Remove the 14 screws securing the Engine Shield Ass'y and unplug the all connectors. Then remove the Engine Shield Ass'y.

Engine Shield

Ass’y

5.12 Main PBA

 

1. Before you remove the Main PBA, you should

2. Unplug 1 connector and remove 5 screws from the

remove:

Main PBA. Then lift the Main PBA out as shown

- Rear Cover (see page 5-2)

below.

- Side Covers (see page 5-3)

 

- Fuser Connector (see page 5-7)

Main PBA

- Engine Shield Ass'y (see page 5-11)

 

Service Manual

5-12

Samsung Electronics

Page 50 Page 52
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Page 50 Page 52
Contents Block Diagram PrecautionsSpecifications TroubleshootingHttp//itself.sec.samsung.co.kr Safety Warning PrecautionsToxic material Electric Shock and Fire Safety PrecautionsAssembly / Disassembly Precautions Handling PrecautionsDisregarding this warning may cause bodily injury Be careful with the high temperature partESD Precautions Tool for Troubleshooting Acronyms and Abbreviations IPC Select a location for the printer 1 A4 5% Pattern Sample Pattern for the Test2 A4 2% Pattern 3 A4 IDC 5% Patten Memo General Specifications SpecificationsScan Specification Print SpecificationCopy Copy SpecificationPaper Handiling Specification Whql Other SpecificationMemo Front View Printer ComponentsRear View Control Panel System Layout Fixing PartFuser Paper Feed MechanismTransfer Ass’y Drive Ass’yCIS Driver Circuit Safety Relevant FactsScanner Unit Scan Image ControllerLSU Laser Scanner Unit Toner Cartridge Main PBA Sensor input circuit Asic Chorus2Flash Memory SdramDC FAN / Solenoid Driver Paper Feeding, Toner Cartridge SensingPaper Exit Sensing Cover Open SensingSmps & Hvps HVPSHigh Voltage Power Supply Length of Power Cord 1830 ± 50mm Power Switch Fitted Smps Switching Mode Power SupplyRated Power Output Consumption PowerSafty Requrement Fuser AC Power ControlFeature Environment ConditionFeeding Engine F/WDrive TransferFusing 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 Remove Scanner Ass’y 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 LSU Exit RollerFan Engine Shield Ass’y Smps Transfer Roller Feed Roller Remove the Feed Roller and Feed Roller1, as shown below Pick Up Roller & Solenoid Memo To enter the Engine Test mode Engine Test ModeTo enter the Engine Test Mode DiagnosticPaper Path Paper Tray Clearing Paper JamsPaper Exit Area Manual Feeder Fuser Area or Around the Toner CartridgePrinting the System Data List Clearing the MemoryClearing the Drum LCD Status Display by Each Error Consumables and Replacement PartsRoller Defective image Typical defect Periodic Defective ImagePrinting Problems Causes and Solutions Vertical Black Lines and BandsVertical White Line Black/White Spot Horizontal Black BandsDark Image or a Black Light ImageBackground Uneven DensityGhost Digital Printer Ghost Stains on the FaceBlank Page Print out Stains on BackCopy Problems White CopyBlack Copy Defective Image Quality Abnormal noisePaper Feed problems Causes and Solutions Wrong Print Position2 JAM 4 JAM 3 JAMPaper rolled in the fuser Multi-FeedingPaper rolled on the OPC Drum Printer Faults Causes and Solutions Fuser ErrorLSU Error Paper Empty Fuser gear melts due to overheating causing Paper JamCover Open Paper Empty without indicationNo error message when the cover is open Defective motor operation No PowerPrinted Vertical Lines become curved Standard of guarantee for consumable parts Toner Cartridge ServicePrecautions on Safe-keeping of Toner Cartridge Service for the Life of Toner CartridgeEnded Signs and Measures of Poor toner cartridgeFault Signs Cause & Check Solution Fault Signs Cause & Check Solution Ghost & Image Printer is not working Software Problems Causes and SolutionsNot working with the message insufficient printer Abnormal Printing How to delete the data in the spool manager Spool ErrorMemo Exploded Views and Parts List Main Assembly Main Assembly Parts List Frame Assembly Description SEC.Code ’ty Remark Frame Unit Assembly Parts ListFrame 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 ’ty Remark Middle Cover Unit Assembly Parts ListDrive Unit Assembly Parts List Drive Unit AssemblyCassette Unit Assembly Cassette Unit Assembly Parts List Block Diagram 10.10Connection Diagram
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