Samsung SCX-4701ND, SCX-4705ND, SCX-4726FN, SCX-4728FD, SCX-4728HN, SCX-4729FD, SCX-4729HD, SCX-4729FW, Service Manual

Service Manual Samsung SCX-4701ND, SCX-4705ND, SCX-4726FN, SCX-4728FD, SCX-4728HN, SCX-4729FD, SCX-4729HD, SCX-4729FW;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Samsung.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all theĀ  simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Samsung SCX-4701ND, SCX-4705ND, SCX-4726FN, SCX-4728FD, SCX-4728HN, SCX-4729FD, SCX-4729HD, SCX-4729FW. You can find easily everything what do you need.
To see what contain, please read table of contents:

1. PRECAUTIONS
1.1. Safety warning
1.2. Caution for safety
1.2.1. Toxic material
1.2.2. Electric shock and fire safety precautions
1.2.3. Handling precautions
1.2.4. Assembly and Disassembly precautions
1.2.5. Disregarding this warning may cause bodily injury
1.3. ESD precautions

2. PRODUCT SPECIFICATION AND DESCRIPTION
2.1. Product Specifications
2.1.1. Product Overview
2.1.2. Specifications
2.1.2.1. General Print Engine
2.1.2.2. Copier specification
2.1.2.3. Scan specification
2.1.2.4. Fax specification
2.1.2.5. Controller and Software
2.1.2.6. Paper Handling
2.1.2.7. Consumables
2.1.2.8. Reliability and Service
2.1.2.9. Environment
2.1.2.10. Maintenance parts
2.1.2.11. Options
2.1.3. Model Comparison Table
2.2. System Overview
2.2.1. Front View
2.2.2. Rear View
2.2.3. Paper Path
2.2.4. System Layout
2.2.4.1. Feeding Part
2.2.4.2. Transfer Roller
2.2.4.3. Drive Unit
2.2.4.4. Fuser
2.2.4.5. LSU (Laser Scanner Unit)
2.2.4.6. Toner Cartridge
2.2.5. Hardware configuration
2.2.5.1. Main board
2.2.5.2. OPE board
2.2.5.3. Wireless LAN board (SCX-4729FW only)
2.2.5.4. Fax board
2.2.5.5. Joint PBA
2.2.5.6. SMPS Board
2.2.5.7. HVPS Board
2.2.5.8. Electrical Parts Location
2.2.6. Engine F/W Control Algorithm
2.2.6.1. Feeding
2.2.6.2. Transfer
2.2.6.3. Fusing
2.2.6.4. LSU
2.2.7. Software Descriptions
2.2.7.1. Software system overview
2.2.7.2. Architecture
2.2.7.3. Data and Control Flow

3. DISASSEMBLY AND REASSEMBLY
3.1. Precautions when replacing parts
3.1.1. Precautions when assembling and disassembling
3.1.2. Preautions when handling PBA
3.1.3. Releasing Plastic Latches
3.2. Screws used in the printer
3.3. Replacing the Main SVC parts
3.3.1. Cover
3.3.2. OPE
3.3.3. Scanner
3.3.4. ADF
3.3.5. ADF Roller
3.3.6. ADF Motor
3.3.7. Scan Motor
3.3.8. CIS Unit
3.3.9. Middle Cover
3.3.10. Fax Board
3.3.11. Main board
3.3.12. SMPS board
3.3.13. HVPS board
3.3.14. Bin-Full sensor
3.3.15. Main Drive Unit
3.3.16. Pick up and Regi Clutch
3.3.17. Pick up and Forward roller
3.3.18. Retard roller
3.3.19. Duplex unit
3.3.20. Transfer roller
3.3.21. LSU
3.3.22. Fuser unit
3.3.23. Exit Sensor
3.3.24. Feed and Regi sensor
3.3.25. Motor

4. ALIGNMENT AND TROUBLESHOOTING
4.1. Alignment and Adjustments
4.1.1. Control Panel
4.1.2. Understanding the status LED
4.1.3. JAM Removal
4.1.3.1. Clearing original document jams
4.1.3.2. Clearing paper jams
4.1.4. Useful menu item for service
4.1.5. Periodic defective image
4.1.6. Useful management tools
4.1.6.1. Using Samsung Easy Printer Manager (Windows/Mac only)
4.1.6.2. Using Samsung Printer Status (Windows only)
4.1.6.3. Using Smart Panel (Linux only)
4.1.7. Updating Firmware
4.1.7.1. Update the firmware by using the USB port
4.1.7.2. Update the firmware by using the network
4.1.8. Tech Mode
4.2. Troubleshooting
4.2.1. Procedure of checking the symptoms
4.2.1.1. Basic Check List
4.2.2. Error Code and Troubleshooting
4.2.3. Image quality problem
4.2.4. Other errors

5. SYSTEM DIAGRAM
5.1. Block Diagram
5.2. Connection Diagram
6. Reference Information
6.1. Tool for Troubleshooting
6.2. Glossary
6.3. The Sample Pattern for the Test
6.4. Selecting a location

Number of pages: 127.