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


Accurate, clear and concise text, combined with detailed illustrations, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.
Present service manual Samsung SCX-4701ND SCX-4705ND SCX-4726FN SCX-4728FD SCX-4728HN SCX-4729FD SCX-4729HD SCX-4729FW contain clear instructions and procedures on how to fix the problems occurring in your equipment.
The information contained in this repair manual is necessary for the repair, but also prevention, resulting in a longer life of your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
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.