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Samsung ML-2851ND User Manual

Samsung ML-2851ND
151 pages
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DIGITAL LASER PRINTER The keynote of Product
Smallest Duplex Built-in
Mono Laser Printer (Low Noise)
- 28ppm(A4) / 30ppm(Ltr)
- PCL6, PS3, 1,200x1,200dpi
- 400MHz processor
- USB 2.0, N/W (ML-2851ND only)
- 32MB (Max.160MB : factory option)
- 2K Standard, 5K High Yield
- Paper Input: 250 sh CST + 1 sh MP
- Standard Duplex Printing
- Options: 250 sh SCF
ML-2850D
Manual
SERVICE
DIGITAL LASER PRINTER
ML-2850 Series
ML-2850D / ML-2851ND
Basic Model
:
ML-2851ND
ML-2
85
1ND
/
XAZ

Table of Contents

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Samsung ML-2851ND Specifications

General IconGeneral
ColorNo
Duplex printingYes
Print technologyLaser
Maximum resolution1200 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)28 ppm
Internal memory32 MB
Processor modelSamsung
Processor frequency400 MHz
Maximum internal memory160 MB
Number of print cartridges1
Total input capacity250 sheets
Paper tray media typesEnvelopes, Labels, Plain paper
Non-ISO print media sizesExecutive (184 x 267mm), Legal (media size), Letter (media size)
ISO A-series sizes (A0...A9)A4, A5
ISO B-series sizes (B0...B9)B5
Maximum ISO A-series paper sizeA4
Networking featuresEthernet 10/100Base-TX

Summary

Precautions

Safety Warning

General safety guidelines for servicing the printer by qualified personnel.

Caution for safety

Safety precautions regarding toxic materials, electrical shock, and fire hazards.

Handling Precautions

Instructions for safe handling and installation of the printer to prevent injury.

Assembly / Disassembly Precautions

Guidelines for safely disassembling and reassembling printer components.

ESD Precautions

Procedures to prevent electrostatic discharge damage to sensitive electronic components.

Product spec and feature

Product Specifications

Detailed specifications including engine speed, resolution, processor, and memory.

Summary of Product

Overview of main printer components and their functions.

Disassembly and Reassembly

General Precautions on Disassembly

Essential safety and procedural guidelines before disassembling printer components.

Used Screw List

A comprehensive list of screws used in the printer for disassembly and reassembly.

Cover Unit

Instructions for removing and disassembling the printer's various covers.

Fuser Ass'y

Step-by-step guide for removing the fuser assembly.

LSU(Laser Scanning Unit)

Procedure for removing the Laser Scanning Unit.

Drive Ass'y

Steps for removing the drive assembly.

Main PBA/SMPS/HVPS

Guide for removing the main printed board, SMPS, and HVPS.

HOLDER-PAD Disassembly

Instructions for disassembling the holder-pad component.

Transfer Roller

Procedure for removing and replacing the transfer roller.

Alignment & Troubleshooting

Alignment and Adjustments

Procedures for printer alignment and adjustments for optimal performance.

Troubleshooting

Guidance on diagnosing and resolving common printer issues and malfunctions.

Exploded Views and Parts List

Main

Exploded view and parts list for the main internal components of the printer.

Top Cover

Exploded view and parts list for the top cover assembly.

Cover Ass'y

Exploded view and parts list for various cover assemblies.

Front Cover

Exploded view and parts list for the front cover.

Rear Cover

Exploded view and parts list for the rear cover.

Frame

Detailed exploded views and parts lists for the printer frame.

Main Drive

Exploded view and parts list for the main drive system.

Rear Guide

Exploded view and parts list for the rear guide component.

Fuser

Exploded view and parts list for the fuser unit.

Duplex Unit

Exploded view and parts list for the duplex unit.

Cassette

Exploded view and parts list for the paper cassette.

SCF

Exploded view and parts list for the Second Cassette Feeder (SCF).

System Diagram

Block Diagram

High-level overview of the printer's system architecture and components.

Connection Diagram

Detailed diagram showing the interconnections between printer components.

Reference Information

Tool for Troubleshooting

List of recommended tools for performing printer diagnostics and troubleshooting.

Acronyms and Abbreviations

Glossary of technical terms and abbreviations used in the manual.

Select a location for the printer

Guidelines for choosing an optimal and safe installation location for the printer.

Sample Tests Patterns

Standard test patterns for checking print quality and printer performance.

LAN (Network Model)

Information regarding network setup and LED status for wired LAN connections.

Information of model's code

Explanation of how to interpret printer model codes and their features.

Parts Life Cycle Maintenance Table

Table detailing the expected lifespan and maintenance cycles for printer parts.

Model Information

Guide to understanding the model codes and material codes for parts ordering.

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