This is the COMPLETE Service Repair Manual for the Samsung ML-4550 Series ML-4550/XEV Laser Printer. It contains deep information about maintaining, assembly, disassembly and servicing your Samsung ML-4550 Series ML-4550/XEV Laser Printer.
The Service Manual contains detailed information, has specs, diagrams, and actual real photo illustrations, and schemes, which give you complete step-by-step operations on repair, Diagnosing, servicing, technical maintenance & troubleshooting procedures for your Samsung ML-4550 Series ML-4550/XEV Laser Printer. this manual offers full information you need for repair your Samsung ML-4550 Series ML-4550/XEV Laser Printer. the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service. YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$
Service Repair Manual Contains:
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1. Precautions
1.1 Safety Warning
1.2 Caution for safety
1.3 ESD Precautions
2. Product Specifications
2.1 Product Overview
2.2 Specifications
2.3 Model Comparison Table
3. Summary of Product
3.1 Printer Components
3.2 System Layout
3.3 Engine H/W Specifications
4. Alignment and Adjustments
4.1 How to use EDC (Engine Diagnostic Control) Mode
4.2 Paper Path
4.3 Sample Pattern
4.4 Periodic Defective Image
4.5 Error Messages
5. Disassembly and Reassembly
5.1 General Precautions on Disassembly
5.2 Transfer Roller
5.3 MPF Ass’y
5.4 Holder Pad Ass’y
5.5 Retard Ass’y
5.6 Feed2 Idle Unit
5.7 Cover Right
5.8 Main PBA
5.9 Main Drive Ass’y
5.10 DEVE Drive Ass’y
5.11 Connector PBA
5.12 Solenoid
5.13 Rear Cover
5.14 Cover Left
5.15 Top Cover
5.16 Open Cover
5.17 Inner Cover
5.18 Fuser Ass’y
5.19 Duplex Solenoid Ass’y
5.20 Exit Roller
5.21 LSU
5.22 DC Fan
5.23 Toner Sensor PBA
5.24 REGI Ass’y
5.25 MP Pick Up Ass’y
5.26 Pick Up & Feed2 Assy
5.27 Engine Shield
6. Troubleshooting
6.1 The cause and solution of Bad image
6.2 The cause and solution of the bad discharge
6.3 The cause and solution of the malfunction
6.4 Maintaining the toner cartridge
6.5 The cause and solutions of bad environment of the software
7. Exploded Views & Parts List
7.1 Main Assembly
7.2 Cover Assembly
7.3 Frame Assembly
7.4 Fuser Unit
7.5 REGI Assembly
7.6 Main Motor Assembly
7.7 Deve Motor Assembly
7.8 Exit Sorenoid Assembly
7.9 Cassette Assembly
7.10 Duplex Unit
7.11 SCF Unit
8. Block diagram
8.1 System Block Diagram
9.Connection Diagram
9.1 Connection Diagram
10.Schematic Diagram
10.1 Main Board
10.2 DIMM board
10.3 CRUM board
10.4 EMPTY board
10.5 HVPS
10.6 Panel
10.7 SCF
10.8 Toner sensor
10.9 HDD.eps
11.Reference Information
11.1 Troubleshooting Tools
11.2 Acronyms and Abbreviations
11.3 Select a location for the printer
11.4 Sample Tests Patterns
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** Model Specification: Samsung ML-4550 Series ML-4550/XEV Laser Printer
** Language: English
** File Format: PDF
** Requirements: Adobe PDF Reader & WinZip
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc…
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