Samsung SCX-4521F, SCX-4521TEC, ML-2010 Series Service Manual
DIGITAL LASER MFP
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SCX-4521F Series
SCX-4521F/TEC
Basic Model :SCX-4521F
Manual
SERVICE
DIGITAL LASER MFP The keynote of Product
- Machine Life: 50,000Pages
- Cpu: Chorus2
- Device Memory: 16MB
- Resolution: 600*600dpi
- Option: N/A
- Printing Speed: 22ppm/LTR,20ppm/A4
- Print Memory: 10MB
- Print Language: SPL
- Path Type: C-Path
- Cassette Capa.: 150sheets
- Outlet Stacking Capa.: 50sheets
- Toner Cartridge: initial(1K), sales(3K)
- ADF Capacity: 30sheets
- Scan Method: 600 dpi Color CIS
- Copy Speed: SDMC: 22Cpm/Ltr,
SCX-4521F Series
- Interface: USB1.1, IEEE1284
MDMC: 7Cpm/Ltr
Contents
1. Precautions
1.1 Safety Warning 1-1
1.2 Safety Caution 1-2
1.3 ESD Precautions 1-4
2. Product Specification
2.1 Product Overview 2-1
2.2 Specifications 2-1
2.3 Model Comparison Table 2-5
3. System Overview
3.1 System Outline 3-1
3.2 H/W Structure and Descriptions 3-7
3.3 S/W Structure and Descriptions 3-19
3.4 Initial Product Installation 3-24
4. Alignment and Adjustments
4.1 Sample Pattern 4-1
4.2 Control Panel 4-2
4.3 Consumables and Replacement Parts 4-4
4.4 LED Status Error Messages 4-4
4.5 Periodic Defective Image 4-5
4.6 How to use DCU 4-6
4.7 Paper Path 4-11
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Continued
5. Disassembly and Reassembly
5.1 General Precautions on Disassembly 5-1
5.2 Disassembly and Reassembly 5-2
6. Troubleshooting
6.1 Checking Symptoms 6-1
6.2 Bad discharge 6-4
6.3 Malfunction 6-8
6.4 Bad software environment 6-13
6.5 Bad Image 6-17
7. Exploded Views & Parts List
7.1 Exploded Views and Parts List 7-1
8. Block diagram
8.1 System Block Diagram 8-1
8.2 System Timing Chart 8-2
9. Connection Diagram
9.1 Connection Diagram 9-1
10. Schematic Diagram
10.1 Main Board 10-1
10.2 Connector Circuit Diagram 10-5
10.3 SMPS Circuit Diagram 10-6
10.4 HVPS Circuit Diagram 10-7
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