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Brother DCP375CW User Manual

Brother DCP375CW
537 pages
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Confidential
Inkjet DCP/MFC
SERVICE MANUAL
MODELS: DCP375CW/395CN
MFC255CW/295CN
MFC495CW/795CW
DCPJ125/J315W
DCPJ515W/J715W
MFCJ220/J265W/J270W
MFCJ410/J410W/J415W
MFCJ615W/J630W
DCPJ140W
March 2010
SM-FAX112(4)
8CAJ/8CAK/8CAP
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.

Table of Contents

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Brother DCP375CW Specifications

General IconGeneral
TypeAll-in-One Printer
FunctionsPrint, Copy, Scan, Fax
Print TechnologyInkjet
Print Speed (Black)33 ppm
Print Speed (Color)27 ppm
Print Resolution6000 x 1200 dpi
Scanner TypeFlatbed
Scan Resolution1200 x 2400 dpi
Paper Capacity100 sheets
Ink Cartridge TypeIndividual Ink Cartridges
Maximum Paper SizeA4
Copy Speed (Color)25 cpm
Fax Speed33.6 kbps
ConnectivityUSB, Wi-Fi
Mobile PrintingGoogle Cloud Print

Summary

CHAPTER 1 PARTS NAMES AND FUNCTIONS

1.1 OUTLINE

Overview of external components, front and back views.

1.2 CONTROL PANEL

Details keys and functions of the control panel for various models.

1.4 COMPONENTS

Illustrates and lists the major mechanical components of the machine.

CHAPTER 2 SPECIFICATIONS

2.1 GENERAL

Compares general specifications across different model series.

2.3 FAX

Details FAX specifications including modem speed and features.

2.6 SCANNER

Specifies scanner capabilities like speed, resolution, and scan-to options.

CHAPTER 3 THEORY OF OPERATION

3.1 OVERVIEW

Block diagram of machine architecture and component interaction.

3.2 MECHANICAL COMPONENTS

Explains mechanical systems like scanner, printing, and paper feeding.

CHAPTER 4 ERROR INDICATION AND TROUBLESHOOTING

4.1 ERROR INDICATION

Explains error messages and codes displayed on the LCD.

4.2 TROUBLESHOOTING

Provides procedures for diagnosing and resolving machine malfunctions.

4.2.5 Problems Encountered Frequently in the Past

Lists common issues like paper jams, ink problems, and ADF failures.

CHAPTER 5 HANDLING DATA HELD IN THE MACHINE PRIOR TO REPAIR

5.1 AT THE USER SITE

Instructions for users to transfer FAX data before sending the unit for repair.

5.2 AT THE SERVICE SITE

Guidance for service personnel on backing up machine data before repairs.

CHAPTER 6 DISASSEMBLY/REASSEMBLY AND LUBRICATION

6.1 DISASSEMBLY/REASSEMBLY

Details procedures for taking apart and reassembling the machine.

6.1.9 Main PCB

Instructions for replacing the main PCB with critical precautions.

6.2 LUBRICATION

Lists specified lubricants and application points for mechanical components.

CHAPTER 7 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT

7.1 PREPARATION

Lists requirements for adjustments and firmware updates.

7.2 IF YOU REPLACE THE HEAD/CARRIAGE UNIT OR ENGINE UNIT

Procedures after replacing head/carriage or engine unit.

7.3 IF YOU REPLACE THE MAIN PCB

Critical steps after replacing the main PCB.

CHAPTER 9 MAINTENANCE MODE

9.1 ENTRY INTO THE MAINTENANCE MODE

Instructions to access the maintenance mode.

9.2 LIST OF MAINTENANCE-MODE FUNCTIONS

Comprehensive list of maintenance functions and codes.

9.4 DETAILED DESCRIPTION OF MAINTENANCE-MODE FUNCTIONS

Detailed explanations of maintenance functions.

9.4.1 EEPROM Parameter Initialization (Function code 01, 91)

Process for initializing EEPROM parameters.

9.4.11 Backup of Machine Information (Function code 46)

Guides on backing up and restoring machine data.

9.4.16 Updating of Paper Feeding Correction Value (Function code 58)

Explains updating paper feeding correction values.

9.4.22 Updating of Property Data (Function code 68)

Details entering property codes for new head/carriage units.

9.4.30 Equipment Error Code Indication (Function code 82)

How to display and interpret error codes.

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