Samsung ML-4551ND Service Manual
Digital laser printer ml-4550 series
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Also See for ML-4551ND:
- Manual del usuario (152 pages) ,
- User manual (113 pages) ,
- Solution manual (69 pages)
Table of Contents
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SERVICE
DIGITAL LASER PRINT
DIGITAL LASER PRINT
ML-4550 Series
ML-4550 / ML-4551N / ML-4551ND
ML-4551NR / ML-4551NDR
Basic Model : ML-4550
Manual
[The keynote of Product]
- Series Model: ML-4550 / 4551N / 4551ND
- High speed Laser Printer:
Up to 43 ppm in A4 (45 ppm in Letter),
Duplex: 29 ipm (A4); 30 ipm (Letter)
- Resolution: Up to 1200 x 1200 dpi
- Marvell 500Mhz
- Memory: 128 MB (Max. 512 MB)
128, or 256 MB optional memory available.
Use only the Samsung-approved DIMM.
128 MB: ML-MEM150, 256 MB: ML-MEM160
- Option:
ML-4550:500-sheet trays, ethernet 10/100 Base
TX wired LAN, ethernet 10/100 Base
hard disk, duplex unit, DIMM
- Toner cartridge:
Starter: 10K or 20K pages
Consumable: 10K or 20K pages
- Duty cycle: Monthly Up to 150,000 pages
CONTENTS
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Table of Contents
Troubleshooting
Related Manuals for Samsung ML-4551ND
Summarization of Contents
Precautions
1.1 Safety Warning
General safety warnings for qualified service engineers.
1.2 General Safety Precautions
Covers toxic materials, electrical safety, handling, disassembly, and injury prevention.
Product Specifications
2.1 Product Overview
General description and key features of the printer.
2.2 Detailed Specifications
Technical specs for engine, controller, paper handling, consumables, and environment.
2.3 Model Comparison Table
Compares ML-4550 printer specifications with competitor models.
Summary of Product
3.1 Printer Components Overview
Identifies and illustrates key physical components of the printer, including front, rear, and control panel views.
Alignment and Adjustments
4.1 Engine Diagnostic Control (EDC) Mode
Instructions for entering and using EDC mode for testing and diagnostics.
4.2 Paper Path and Jam Clearing
Details the paper path and provides instructions for clearing paper jams.
Exploded Views & Parts List
7.1 Main Assembly
Exploded view and parts list for the main printer assembly.
7.2 Cover Assembly
Exploded view and parts list for printer covers.
7.3 Frame Assembly
Exploded view and parts list for the printer frame.
7.4 Fuser Unit
Exploded view and parts list for the fuser unit.
7.5 Key Assemblies
Exploded views and parts lists for critical sub-assemblies like REGI, motors, duplex, and cassette.
Block Diagram
8.1 System Block Diagram
High-level block diagram illustrating the printer's system architecture and component interactions.
Connection Diagram
9.1 Connection Diagram
Detailed diagram showing internal connector pinouts and connections between components.
Reference Information
11.1 Troubleshooting Tools
Lists recommended tools for troubleshooting.
11.2 Acronyms and Abbreviations
Glossary of technical terms and abbreviations used in the manual.
11.3 Printer Location Guidelines
Guidelines for choosing an optimal installation location for the printer.
11.4 Sample Test Patterns
Displays sample test patterns used for factory calibration and testing.
11.5 LAN Optional Function
Information on using the wired LAN option and LED status indicators.
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