Brother DCP-130C User manual

Confidential

MULTIFUNCTION EQUIPMENT

SERVICE MANUAL

MODELS: DCP750CW

DCP540CN

DCP330C

DCP130C

Confidential

No part of this publication may be reproduced in any

form or by any means without permission in writing

from the publisher.

Specifications are subject to change without notice.

i Confidential

Preface

This Service Manual is intended for use by service personnel and details the specifications,

construction, theory of operation, and maintenance for the Brother machines noted on the front

cover. It includes information required for troubleshooting and service--disassembly, reassembly,

and lubrication--so that service personnel will be able to understand equipment function, repair the

equipment in a timely manner and order spare parts as necessary.

To perform appropriate maintenance so that the machine is always in the best possible condition

for the customer, service personnel must adequately understand and apply this manual.

The table below shows the functional comparison between the models covered by this manual.

Model DCP750CW DCP540CN DCP330C DCP130C

RAM 32 MB 16 MB

LCD 2.5-inch color 2.0-inch color 16 characters x 1 line

ADF --- √--- ---

Wired LAN √√--- ---

Wireless LAN √--- --- ---

PhotoCapture Center √√√√

PictBridge √√√√

Movable platen √√√---

Photo tray √√√---

This manual describes the models and their versions destined for major countries. The specifications and

functions are subject to change depending upon each destination.

ii Confidential

How this manual is organized

This manual is made up of nine chapters and appendices.

CHAPTER 1 PARTS NAMES AND FUNCTIONS

Contains external views and names of components and describes their functions. Information about

the keys on the control panel is included to help you check operation or make adjustments.

CHAPTER 2 SPECIFICATIONS

Lists the specifications of each model, which enables you to make a comparison of different

models.

CHAPTER 3 THEORY OF OPERATION

Gives an overview of the scanning and printing mechanisms as well as the sensors, actuators, and

control electronics. It aids in understanding the basic principles of operation as well as locating

defects for troubleshooting.

CHAPTER 4 ERROR INDICATION AND TROUBLESHOOTING

Details error messages and codes that the incorporated self-diagnostic functions display if any error

or malfunction occurs. If any error message appears, refer to this chapter to find which components

should be checked or replaced.

The latter half of this chapter provides sample problems that could occur in the main sections of the

machine and related troubleshooting procedures. This will help service personnel pinpoint and

repair defective components.

CHAPTER 5 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR

Not applicable.

CHAPTER 6 DISASSEMBLY/REASSEMBLY AND LUBRICATION

Details procedures for disassembling and reassembling the machine together with related notes.

The disassembly order flow provided enables you to see at a glance the quickest way to get to

component(s) involved.

At the start of a disassembly job, you check the disassembly order flow that guides you through a

shortcut to the target components.

This chapter also covers screw tightening torques and lubrication points to which the specified

lubricants should be applied during reassembly jobs.

CHAPTER 7 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS

REPLACEMENT

Details adjustments and updating of settings, which are required if the head/carriage unit, main

PCB and some other parts have been replaced.

CHAPTER 8 CLEANING

Provides cleaning procedures not covered by the User's Guide. Before starting any repair work,

clean the machine as it may solve the problem concerned.

iii Confidential

CHAPTER 9 MAINTENANCE MODE

Describes the maintenance mode which is exclusively designed for the purpose of checks, settings

and adjustments of the machine using the keys on the control panel.

In the maintenance mode, you can update memory (EEPROM: electrically erasable programmable

read-only memory) contents for optimizing the drive conditions of the head/carriage unit or the

paper feed roller and paper ejection roller in the engine unit, if those units have been replaced, or

for setting the CIS scanner area, for example. You can also customize the EEPROM according to

the shipment destination of the machine concerned. In addition, you can perform operational

checks of the LCD, control panel PCB or sensors, perform a print test, display the log information

or error codes, and modify firmware switches (WSW).

Appendix 1 Reading Labels

Shows the location of labels put on some parts and describes the coding information for serial

number, property data, and manufacturing information.

Appendix 2 Firmware Installation

Provides instructions on how to change firmware stored in the flash ROM on the main PCB or load

firmware to a new main PCB from the host PC.

Appendix 3 EEPROM Customizing Codes

Provides instructions on how to set up the EEPROM customizing codes for the various preferences

exclusively designed for each destination. The specified customizing code is stored in the

EEPROM mounted on the main PCB. If the main PCB is replaced, therefore, you need to set up the

proper customizing code with the machine in the maintenance mode.

Customizing codes customize firmware for individual models, enabling the common firmware to

be used for various models. A list of EEPROM customizing codes comes with the firmware data

provided by Brother Industries.

Appendix 4 Firmware Switches (WSW)

Describes the functions of the firmware switches, which can be divided into two groups: one is for

customizing preferences designed for the shipping destination (as described in Appendix 3) and the

other is for modifying preferences that match the machine to the environmental conditions. Use the

latter group if the machine malfunctions due to mismatching.

Appendix 5 Wiring Diagrams

Provides the wiring diagrams that help you understand the connections between PCBs.

Appendix 6 Circuit Diagrams

Provides the circuit diagrams of the power supply PCB.

iv Confidential

SAFETY PRECAUTIONS

To use the machine safely

Please refer to these instructions for later reference and before attempting any maintenance.

WARNING

There are high voltage electrodes inside the

machine. Before you clean the machine,

make sure you have unplugged the power

cord from the AC power outlet.

(Safety_1)

Do not handle the plug with wet hands. Doing

this might cause an electrical shock.

(Safety_2)

To prevent injuries, be careful not to put your

hands on the edge of the machine under the

scanner cover.

(Safety_3)

To prevent injuries, be careful not to touch

the area shaded in the illustration.

(Safety_4)

When moving the machine you must lift it

from the base, by placing a hand at eachside

of the unit as shown in the illustration. Do

NOT carry the machine by holding the

scanner cover.

(Safety_5)

v Confidential

WARNING

This product must be installed near an ACpower outlet that is easily accessible. In case ofemergencies, you

must disconnect the power cord from the AC power outlet in order to shut off power completely.

Caution

Lightning and power surges can damage this product! We recommend that you use a quality surge

protection device on the AC power line, or unplug the cords during a lightning storm.

When lifting up the machine, hold it from the base. Holding the scanning cover (scanner unit) leaves the

machine body inclined, disengaging the scanner cover from the machine body or letting the machine body

fall.

IMPORTANT SAFETY INSTRUCTIONS

When using the machine, basic safety precautions should always be followed to reduce the risk of

fire, electric shock and injury to persons, including the following:

1. Do not use this product near water, for example, near a bathtub, washbowl, kitchen sink or

washing machine, in a wet basement or near a swimming pool.

2. Avoid using this product during a lightning storm. There may be a remote risk of electric shock

from lightning.

3. Do not use this product to report a gas leak in the vicinity of the leak.

4. Use only the power cord provided with the machine.

SAVE THESE INSTRUCTIONS

vi Confidential

Choosing a location

Place the machine on a flat, stable surface that is free ofvibration and shocks, such as a desk. Put the machine

near a standard, grounded AC power outlet. Choose a location where the temperature remains between 50°F

and 95°F (10°C and 35°C).

Caution

Avoid placing the machine in a high-traffic area.

Avoid placing the machine on the carpet.

Do not place the machine near heaters, air conditioners, water, chemicals, or refrigerators.

Do not expose the machine to direct sunlight, excessive heat, moisture, or dust.

Do not connect the machine to electrical outlets controlled by wall switches or automatic timers.

Disruption of power can wipe out information in the machine’s memory.

Do not connect the machine to electrical outlets on the same circuit as large appliances or other equipment

that might disrupt the power supply.

(Location)

vii Confidential

Legal limitations for copying

Confidential

CHAPTER 1

PARTS NAMES AND FUNCTIONS

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