Middle Cover | Samsung SCX-4100 instruction

Disassembly and Reassembly

5.5 Middle Cover

1.Disconnect the OPE harness from the Main PBA and remove the 4 screws securing the Middle Cover. Remove it, as shown below.

Middle Cover

OPE Harness

2.Remove the 4 screws securing the OPE Unit from the Middle Cover.

OPE Unit

Service Manual

Samsung Electronics

5-7

Image 46

Samsung SCX-4100 specifications Middle Cover

Contents

Troubleshooting PrecautionsSpecifications Block Diagram Http//itself.sec.samsung.co.kr Precautions Safety Warning Electric Shock and Fire Safety Precautions Toxic material Handling Precautions Assembly / Disassembly Precautions Be careful with the high temperature part Disregarding this warning may cause bodily injury ESD Precautions Tool for Troubleshooting Acronyms and Abbreviations IPC Select a location for the printer Sample Pattern for the Test 1 A4 5% Pattern 2 A4 2% Pattern 3 A4 IDC 5% Patten Memo Specifications General Specifications Print Specification Scan Specification Copy Specification Copy Paper Handiling Specification Other Specification Whql Memo Printer Components Front View Rear View Control Panel System Layout Drive Ass’y Paper Feed MechanismTransfer Ass’y Fixing PartFuser Scan Image Controller Safety Relevant FactsScanner Unit CIS Driver Circuit LSU Laser Scanner Unit Toner Cartridge Main PBA Sdram Asic Chorus2Flash Memory Sensor input circuit Cover Open Sensing Paper Feeding, Toner Cartridge SensingPaper Exit Sensing DC FAN / Solenoid Driver Smps & Hvps HVPSHigh Voltage Power Supply Consumption Power Smps Switching Mode Power SupplyRated Power Output Length of Power Cord 1830 ± 50mm Power Switch Fitted Environment Condition Fuser AC Power ControlFeature Safty Requrement Transfer Engine F/WDrive Feeding 5 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’y Dismantle 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 LSU Fan Engine Shield Ass’y Smps Transfer Roller Feed Roller Remove the Feed Roller and Feed Roller1, as shown below Pick Up Roller & Solenoid Memo Diagnostic Engine Test ModeTo enter the Engine Test Mode To enter the Engine Test mode Paper Path Clearing Paper Jams Paper Tray Paper Exit Area Fuser Area or Around the Toner Cartridge Manual Feeder Clearing the Memory Printing the System Data ListClearing the Drum Consumables and Replacement Parts LCD Status Display by Each Error Periodic Defective Image Roller Defective image Typical defect Vertical Black Lines and Bands Printing Problems Causes and SolutionsVertical White Line Horizontal Black Bands Black/White Spot Light Image Dark Image or a Black Uneven Density Background Ghost Stains on the Face Digital Printer Ghost Stains on Back Blank Page Print out White Copy Copy ProblemsBlack Copy Abnormal noise Defective Image Quality Wrong Print Position Paper Feed problems Causes and Solutions2 JAM 3 JAM 4 JAM Multi-Feeding Paper rolled in the fuser Paper rolled on the OPC Drum Fuser Error Printer Faults Causes and SolutionsLSU Error Fuser gear melts due to overheating causing Paper Jam Paper Empty Paper Empty without indication Cover Open No error message when the cover is open No Power Defective motor operation Printed Vertical Lines become curved Service for the Life of Toner Cartridge Toner Cartridge ServicePrecautions on Safe-keeping of Toner Cartridge Standard of guarantee for consumable parts Signs and Measures of Poor toner cartridge Ended Fault Signs Cause & Check Solution Fault Signs Cause & Check Solution Ghost & Image Software Problems Causes and Solutions Printer is not working Not working with the message insufficient printer Abnormal Printing Spool Error How to delete the data in the spool manager Memo Exploded Views and Parts List Main Assembly Main Assembly Parts List Frame Assembly Frame Unit Assembly Parts List Description SEC.Code ’ty Remark Frame 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 Remark Drive Unit Assembly Drive Unit Assembly Parts List Cassette Unit Assembly Cassette Unit Assembly Parts List Block Diagram 10.10Connection Diagram