Brother MFC-8840d, DCP-8040 multi-functional printer service manual

Product Information

Table of Contents

REGULATION

SAFETY INFORMATION

CHAPTER 1: GENERAL

1. OVERVIEW

2. SPECIFICATIONS

2.1 General

2.2 Specifications (Continued)

2.3 Print Media

2.4 Copy

2.5 Fax

2.6 Scanner

2.7 Printer

2.8 Interfaces

2.9 PC Interface

2.10 Embedded RAM

2.11 Control Panel

2.12 Paper Handling

2.13 Main PCB

2.14 Maintenance

2.15 Options

2.16 Serial No. Descriptions

CHAPTER 2: INSTALLATION AND BASIC OPERATION

1. CONDITIONS REQUIRED FOR INSTALLATION

1.1 Power Supply

1.2 Space Requirements

2. INSTALL THE MACHINE

2.1 Install the Machine

2.2 Install the Software

CHAPTER 3: THEORY OF OPERATION

1. ELECTRONICS

1.1 General Block Diagram

1.2 Main PCB Block Diagram

1.3 PCB

2. MECHANICS

2.1 Construction of Printing Mechanism

2.2 Paper Feeding

2.3 Scanner Mechanism

CHAPTER 4: DISASSEMBLY AND RE-ASSEMBLY

1. DISASSEMBLY

1.1 Precautions

1.2 Disassembly Procedures

2. RE-ASSEMBLY

2.1 Re-assembly Procedures

CHAPTER 5: PERIODIC MAINTENANCE

1. MAINTENANCE ITEMS

1.1 Periodic Maintenance Table

1.2 Replacement Parts

2. CLEANING

2.1 Cleaning Procedures

CHAPTER 6: TROUBLESHOOTING

1. ERROR CODES AND DISPLAY MESSAGES

1.1 Error Codes

1.2 Display Messages

2. TROUBLESHOOTING PROCEDURES

2.1 Initial Check

2.2 Troubleshooting Based on Symptoms

CHAPTER 7: MAINTENANCE MODE

1. MAINTENANCE MODE

1.1 Entering Maintenance Mode

1.2 Exiting Maintenance Mode

APPENDIX 1: EEPROM CUSTOMIZING CODES

1. EEPROM CUSTOMIZING CODES

1.1 Reading/Writing EEPROM

1.2 Customizing Codes

APPENDIX 2: INSTALLING THE UPDATE DATA

1. INSTALLING THE UPDATE DATA

1.1 Update Procedures

APPENDIX 3: FIRMWARE SWITCHES (WSW)

1. FIRMWARE SWITCHES

1.1 WSW Settings

APPENDIX 4: CIRCUIT DIAGRAMS

1. CIRCUIT DIAGRAMS

1.1 Main PCB Circuit Diagram

1.2 Power Supply Circuit Diagram

1.3 Interface Circuit Diagram

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