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Samsung ML-2251N User Manual

Samsung ML-2251N
122 pages
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SERVICE
LASER PRINTER
ML-2250 Series
ML-2250/XAA, ML-2251N/XAA, ML-2252W/XAA
Manual
LASER PRINTER CONTENTS
1. Precautions
2. Reference Information
3. Specifications
4. Summary of product
5. Disassembly and Reassembly
6. Alignment and Adjustments
7. Troubleshooting
8. Exploded Views and Parts List
9. Block Diagram
10. Connection Diagram
11. Schematic Diagram
Basic Model
:
ML-2210/ML-2251N
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Samsung ML-2251N Specifications

General IconGeneral
ColorNo
Print technologyLaser
Maximum resolution1200 x 1200 DPI
Economical printingYes
Time to first page (black, normal)10 s
Print speed (black, normal quality, A4/US Letter)24 ppm
Maximum internal memory144 MB
Sound power level (standby)39 dB
Sound pressure level (printing)51 dB
Maximum duty cycle30000 pages per month
Number of print cartridges1
Page description languagesIBM Proprinter
Total input capacity250 sheets
Total output capacity150 sheets
Maximum print size210 x 297 mm
Maximum ISO A-series paper sizeA4
Weight and Dimensions IconWeight and Dimensions
Dimensions (WxDxH)358 x 452 x 278 mm

Summary

Precautions

Safety Warnings

General safety warnings for service engineers and users.

Caution for Safety

Safety precautions related to toxic materials and electric shock/fire hazards.

Handling Precautions

Instructions for safe handling of the printer and its components.

Assembly and Disassembly Precautions

Guidelines for safely disassembling and reassembling the printer.

Bodily Injury Warnings

Warnings about potential bodily injury during operation or maintenance.

ESD Precautions

Precautions to prevent damage from electrostatic discharge (ESD).

Product Specifications

General Specifications

Provides overall technical specifications for the printer models.

Controller Specifications

Details the specifications of the printer's controller unit.

Product Overview

Printer Components

Identifies and illustrates the main external components of the printer.

System Construction

Details the internal components and architecture of the printer.

Disassembly and Reassembly Procedures

General Disassembly Precautions

Essential safety and handling guidelines before disassembling.

Fuser Assembly Removal

Detailed steps for removing the fuser assembly.

Alignment and Adjustments

Using the DCU (Diagnostic Control Unit)

Guide to setting up and using the DCU for diagnostics and status monitoring.

Troubleshooting Guide

Image Quality Issues

Addresses various print quality problems like lines, spots, and density variations.

Paper Feed Problems

Covers causes and solutions for paper jams and feeding errors.

Printer Faults and LED Indicators

Explains printer errors indicated by LED patterns and specific faults.

Toner Cartridge Service and Issues

Guidance on toner cartridge handling, life, and troubleshooting poor print quality.

Software and Connectivity Issues

Solutions for printer not working, driver errors, and spooling problems.

Exploded Views and Parts List

Schematic Diagrams

Main Circuit Diagram

Detailed schematic of the printer's main circuit board.