Brother 09055CDN - User Manual

Confidential
August 2010
SM-FAX118
8CE301 (4)
Brother Color Laser MFC
SERVICE MANUAL
MODEL: DCP-9055CDN/9270CDN
MFC-9460CDN/9465CDN
MFC-9560CDW/9970CDW
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.

Summary

Chapter 2 Error Indication and Troubleshooting

1. Introduction

3. Error Indications

Lists and explains various error codes, their potential causes, and recommended remedies for troubleshooting.

3.4 Error Cause and Remedy

Details specific error codes, their causes, and step-by-step remedies for resolving issues.

Chapter 3 Disassembly and Assembly

1. Safety Precautions

Provides essential warnings and precautions for handling machine parts during maintenance and assembly.

9. Disassembly Procedure

Provides detailed, step-by-step instructions for disassembling various parts of the machine.

Chapter 4 Adjustments and Updating of Settings, Required After Parts Replacement

1. If You Replace the Main PCB Assy

Details the necessary firmware rewriting and initial settings after replacing the main PCB ASSY.

1.1 Rewriting the firmware (Panel firmware, Sub firmware, Main firmware)

Explains methods for rewriting firmware using a computer or USB flash memory.

2. If You Replace the Registration Mark Sensor Holder Assy

Outlines the adjustments required after replacing the registration mark sensor holder ASSY.

3. If You Replace the High-Voltage Power Supply PCB Assy

Describes the necessary adjustments after replacing the high-voltage power supply PCB ASSY.

Chapter 5 Service Functions

1. Maintenance Mode

1.4 Detailed Description of Maintenance-mode Functions

1.4.31 Developing bias voltage correction (Function code 83)

2. Other Service Functions

Chapter 7 Periodical Maintenance

1. Precautions

2. Periodical Replacement Parts

2.1 Procedures to Replace Periodical Replacement Parts

2.1.1 Fuser unit

Brother 09055CDN Specifications