Brother HL 2040 Manuale di servizio - Pagina 2

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This service manual contains basic information required for after-sales service of the laser

printer (hereinafter referred to as "this machine" or "the printer"). This information is vital to

the service technician to maintain the high printing quality and performance of the printer.

This service manual covers the HL-2030/2040/2070N printers.

This manual consists of the following chapters:

CHAPTER 1:

GENERAL

Features, specifications, etc.

CHAPTER 2:

INSTALLATION AND BASIC OPERATION

Installation conditions, Installation procedures, basic operation of the

printer etc.

CHAPTER 3:

THEORY OF OPERATION

Basic operation of the mechanical system, the electrical system and the

electrical circuits and their timing information.

CHAPTER 4:

DISASSEMBLY AND RE-ASSEMBLY

Procedures for disassembling and re-assembling the mechanical

system.

CHAPTER 5:

PERIODIC MAINTENANCE

Periodical replacement parts, consumable parts, etc.

CHAPTER 6:

ADJUSTMENTS AND UPDATING OF SETTING, REQUIRED AFTER

PARTS REPLACEMENT

CHAPTER 7:

TROUBLESHOOTING

Reference values and adjustments, troubleshooting image defects,

troubleshooting malfunctions, etc.

CHAPTER 8:

SERVICE SUPPORT SOFTWARE

Test print mode and Service menu mode, etc.

APPENDICES:

PCB circuit diagrams, etc.

Information in this manual is subject to change due to improvement or redesign of the

product. All relevant information in such cases will be supplied in service information

bulletins (Technical Information).

A thorough understanding of this printer, based on information in this service manual and

service information bulletins, is required for maintaining its print quality performance and

for improving the practical ability to find the cause of problems.

PREFACE

Confidential