This is the COMPLETE Service Repair Manual for the Samsung SCX-4521F Series SCX-4521F/XEV Laser Multi-Function Printer. It contains deep information about maintaining, assembly, disassembly and servicing your Samsung SCX-4521F Series SCX-4521F/XEV Laser Multi-Function 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 SCX-4521F Series SCX-4521F/XEV Laser Multi-Function Printer. this manual offers full information you need for repair your Samsung SCX-4521F Series SCX-4521F/XEV Laser Multi-Function 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 Safety Caution
1.3 ESD Precautions
2. Product Specification
2.1 Product Overview
2.2 Specifications
2.3 Model Comparison Table
3. System Overview
3.1 System Outline
3.2 H/W Structure and Descriptions
3.3 S/W Structure and Descriptions
3.4 Initial Product Installation
4. Alignment and Adjustments
4.1 Sample Pattern
4.2 Control Panel
4.3 Consumables and Replacement Parts
4.4 LED Status Error Messages
4.5 Periodic Defective Image
4.6 How to use DCU
4.7 Paper Path
5. Disassembly and Reassembly
5.1 General Precautions on Disassembly
5.2 Disassembly and Reassembly
6. Troubleshooting
6.1 Checking Symptoms
6.2 Bad discharge
6.3 Malfunction
6.4 Bad software environment
6.5 Bad Image
7. Exploded Views & Parts List
7.1 Exploded Views and Parts List
8. Block diagram
8.1 System Block Diagram
8.2 System Timing Chart
9. Connection Diagram
9.1 Connection Diagram
10. Schematic Diagram
10.1 Main Board
10.2 Connector Circuit Diagram
10.3 SMPS Circuit Diagram
10.4 HVPS Circuit Diagram
11. Reference Information
11.1 Troubleshooting Tools
11.2 Acronyms and Abbreviations
11.3 Selecting printer locations
11.4 Sample Tests Patterns
12. Circuit Description
12.1 Engine Controller
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** Model Specification: Samsung SCX-4521F Series SCX-4521F/XEV Laser Multi-Function 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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