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Brother PT-2300 User Manual

Brother PT-2300
113 pages
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SERVICE MANUAL
MODEL: PT-2300/2310/2450

Table of Contents

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Brother PT-2300 Specifications

General IconGeneral
ModelPT-2300
Print TechnologyThermal Transfer
Print Resolution180 dpi
Font Sizes6 sizes
CategoryLabel Maker
Tape Width6mm, 9mm, 12mm, 18mm
Print Speed10mm/s
DisplayLCD
Power Source6 x AA Batteries or AC Adapter
Tape CompatibilityBrother tapes

Summary

CHAPTER I SPECIFICATIONS

Mechanical Specifications

Details physical characteristics, dimensions, weight, keyboard, display, printing mechanism, tape cassettes, and cutter.

Electronics Specifications

Covers specifications for character generator, internal fonts, memory, and power supply features.

Special Function Key Commands

Explains key sequences for initializing the machine and initiating a demonstration print.

CHAPTER II MECHANISMS

Mechanisms Theory of Operation

Explains the print mechanism, roller holder, tape/ribbon feed, cutter, and interlocking mechanisms.

Disassembly and Reassembly Procedures

Step-by-step guides for disassembling and reassembling the machine's internal components.

Demonstration Print and Final Check

Procedure for performing final checks, including demonstration print, after reassembly.

CHAPTER III ELECTRONICS

Control Electronics Overview

Describes the main PCB, power supply PCB, sensors, motors, and thermal print head.

Main PCB Circuitry

Details core components like CPU, ROM, key contacts, power control, motor drivers, sensors, and interfaces.

Main PCB Block Diagram

Illustrates the functional blocks and connections on the main printed circuit board.

CPU and Core Circuits

Details the CPU, ROM, key contacts matrix, and solder points for customization.

Power Control and Motor Drivers

Explains power on/off, power saving, DC motor, and cutter motor driver circuits.

Cassette Sensor Circuit

Explains how the cassette sensor identifies tape width and ink ribbon type.

USB Interface Circuit (PT-2300/2310)

Details the USB interface circuit for data transmission with a computer.

Power Supply PCB Diagram

Provides the circuit diagram for the power supply board, including AC adapter connection.

CHAPTER IV TROUBLESHOOTING AND ERROR MESSAGE

Troubleshooting Procedures

Guides for identifying and resolving common issues like tape feeding, printing, and power failures.

Troubleshooting Flows

Flowcharts for diagnosing tape feeding, printing, powering, key entry, and tape cutting failures.

Error Message List

Lists and explains error messages displayed by the machine in different languages.

APPENDICES

Serial Number Writing Software Operation

Instructions for using software to write the serial number into the machine's EEPROM.

Circuit Diagrams

Collection of circuit diagrams for the main PCB and sub PCBs, specific to models.

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