Feed Roller | Samsung SCX-4100 guide

Disassembly and Reassembly

5.15 Feed Roller

1.Before you remove the Feed Roller you should remove:

-Rear Cover (see page 5-2)

-Side Covers (see page 5-3)

-Scanner Ass’y (see page 5-4)

-Middle Cover (see page 5-6)

-LSU (see page 5-9)

-Drive Ass’y (see page 5-10)

2.Remove 2 screws from the Guide Paper and take it out.

Guide

Paper

3.Pull up the Feed Idle Bush and Feed Idle Shaft, as shown below.

Feed Idle

Shaft

Bush

4. Remove 3 screws from the Feed Bracket and take it out.

Feed Bracket

5. Remove the Idle Gear and Feed Gear2.

Feed Gear2

Idle Gear

6. Remove the Feed Gear 1 Ass’y, as shown below.

Feed Gear1

Ass’y

Service Manual

Samsung Electronics

5-15

Image 54

Samsung SCX-4100 specifications Feed Roller

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 Fusing 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’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 Printing the System Data List Clearing the MemoryClearing the Drum Consumables and Replacement Parts LCD Status Display by Each Error Periodic Defective Image Roller Defective image Typical defect Printing Problems Causes and Solutions Vertical Black Lines and BandsVertical 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 Copy Problems White CopyBlack Copy Abnormal noise Defective Image Quality Paper Feed problems Causes and Solutions Wrong Print Position2 JAM 3 JAM 4 JAM Multi-Feeding Paper rolled in the fuser Paper rolled on the OPC Drum Printer Faults Causes and Solutions Fuser ErrorLSU 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