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Brother HL-2440 User Manual

Brother HL-2440
177 pages
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Confidential
Brother Laser Printer
SERVICE MANUAL
MODEL:
HL-2140/2150N/2170W
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.
Sep 2007
SM-PRN066
84UA0*
(5)

Table of Contents

Questions and Answers:

Brother HL-2440 Specifications

General IconGeneral
Print ResolutionUp to 2400 x 600 dpi
Print ColorMonochrome
Printer TypeLaser
ConnectivityUSB 2.0
Paper Capacity250 sheets
Duplex PrintingNo
Supported Operating SystemsWindows, Linux

Summary

Preface

Chapter 1: Troubleshooting

Troubleshooting Introduction and Precautions

Explains the purpose of troubleshooting and general safety precautions.

Distinguishing Error Causes

Details how to identify error causes using LED and message indications.

Paper Feeding Problems Troubleshooting

Outlines troubleshooting steps for paper feeding issues like no feeding or jams.

Image Defect Troubleshooting Guide

Guides on identifying and resolving various print quality defects.

Chapter 2: Periodical Maintenance

Consumable Parts Identification

Lists parts subject to deterioration and recommended replacement.

Chapter 3: Disassembly and Assembly

Safety Precautions for Disassembly

Details essential safety measures before and during maintenance work.

Screw Torque Specifications

Provides a table of screw types, quantities, and tightening torque specifications.

Detailed Disassembly Procedures

Details step-by-step instructions for disassembling various components of the printer.

Chapter 4: Adjustments and Updating of Settings

Main PCB Replacement Procedures

Guides on firmware rewriting, default settings, and serial number input after PCB replacement.

Wireless LAN PCB Replacement

Instructions for backing up wireless LAN information after replacing the PCB.

Laser Unit Replacement Procedures

Details on inputting adjusted values for the laser scanner after replacement.

Chapter 5: Service Support Software

List of Service Support Functions

A table detailing functions accessible through button combinations.

Chapter 6: Circuit Diagrams and Wiring Diagram

Regulation Information

Safety Information

Laser Product Cautions

Warnings and precautions related to the laser product and unit.

General Safety Precautions

Lists essential safety warnings for electrical hazards and hot surfaces.

Appendix 1: Serial Numbering System

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