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

Models: SCX-4100

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

Service Manual

5-12

Samsung Electronics

Image 51

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

Contents

Block Diagram PrecautionsSpecifications Troubleshooting Http//itself.sec.samsung.co.kr Safety Warning Precautions Toxic material Electric Shock and Fire Safety Precautions Assembly / Disassembly Precautions Handling Precautions Disregarding this warning may cause bodily injury Be careful with the high temperature part ESD Precautions Tool for Troubleshooting Acronyms and Abbreviations IPC Select a location for the printer 1 A4 5% Pattern Sample Pattern for the Test 2 A4 2% Pattern 3 A4 IDC 5% Patten Memo General Specifications Specifications Scan Specification Print Specification Copy Copy Specification Paper Handiling Specification Whql Other Specification Memo Front View Printer Components Rear View Control Panel System Layout Fixing PartFuser Paper Feed MechanismTransfer Ass’y Drive Ass’y CIS Driver Circuit Safety Relevant FactsScanner Unit Scan Image Controller LSU Laser Scanner Unit Toner Cartridge Main PBA Sensor input circuit Asic Chorus2Flash Memory Sdram DC FAN / Solenoid Driver Paper Feeding, Toner Cartridge SensingPaper Exit Sensing Cover Open Sensing Smps & Hvps HVPSHigh Voltage Power Supply Length of Power Cord 1830 ± 50mm Power Switch Fitted Smps Switching Mode Power SupplyRated Power Output Consumption Power Safty Requrement Fuser AC Power ControlFeature Environment Condition Feeding Engine F/WDrive Transfer 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 Remove Scanner Ass’y 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 LSU Exit Roller 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 To enter the Engine Test mode Engine Test ModeTo enter the Engine Test Mode Diagnostic Paper Path Paper Tray Clearing Paper Jams Paper Exit Area Manual Feeder Fuser Area or Around the Toner Cartridge Printing the System Data List Clearing the MemoryClearing the Drum LCD Status Display by Each Error Consumables and Replacement Parts Roller Defective image Typical defect Periodic Defective Image Printing Problems Causes and Solutions Vertical Black Lines and BandsVertical White Line Black/White Spot Horizontal Black Bands Dark Image or a Black Light Image Background Uneven Density Ghost Digital Printer Ghost Stains on the Face Blank Page Print out Stains on Back Copy Problems White CopyBlack Copy Defective Image Quality Abnormal noise Paper Feed problems Causes and Solutions Wrong Print Position2 JAM 4 JAM 3 JAM Paper rolled in the fuser Multi-Feeding Paper rolled on the OPC Drum Printer Faults Causes and Solutions Fuser ErrorLSU Error Paper Empty Fuser gear melts due to overheating causing Paper Jam Cover Open Paper Empty without indication No error message when the cover is open Defective motor operation No Power Printed 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 Cartridge Ended Signs and Measures of Poor toner cartridge Fault Signs Cause & Check Solution Fault Signs Cause & Check Solution Ghost & Image Printer is not working Software Problems Causes and Solutions Not working with the message insufficient printer Abnormal Printing How to delete the data in the spool manager Spool Error Memo Exploded Views and Parts List Main Assembly Main Assembly Parts List Frame Assembly Description SEC.Code ’ty Remark Frame Unit Assembly Parts List 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 ’ty Remark Middle Cover Unit Assembly Parts List Drive Unit Assembly Parts List Drive Unit Assembly Cassette Unit Assembly Cassette Unit Assembly Parts List Block Diagram 10.10Connection Diagram