Brother P-touch BB4 User manual

SERVICE MANUAL

MODEL: P-touch BB4

SERVICE MANUAL

MODEL: P-touch BB4

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.

PREFACE

This publication is a service manual covering the specifications, theory of operation,

disassembly/reassembly procedure, and troubleshooting of the Brother P-touch BB4. It

is intended for service personnel and other concerned persons to accurately and

quickly provide after-sale service for our P-touch BB4.

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

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

manual.

This manual is made up of four chapters and appendix.

CHAPTER ISPECIFICATIONS

CHAPTER II MECHANISMS

CHAPTER III ELECTRONICS

CHAPTER IV TROUBLESHOOTING

APPENDIX CIRCUIT DIAGRAM

Chapter I.

SPECIFICATIONS

CONTENTS

CHAPTER I. SPECIFICATIONS

1.1 MECHANICAL SPECIFICATIONS........................................................................................ I-1

1.1.1 External Appearance................................................................................................ I-1

1.1.2 Entry system ............................................................................................................ I-1

1.1.3 Display ..................................................................................................................... I-1

1.1.4 Printing Mechanism.................................................................................................. I-2

1.1.5 Tape Cassette.......................................................................................................... I-2

1.1.6 Tape Cutter.............................................................................................................. I-2

1.2 ELECTRONICS SPECIFICATIONS...................................................................................... I-5

1.2.1 Character Generator ................................................................................................ I-5

1.2.2 Power Supply........................................................................................................... I-5

I- 1

1.1 MECHANICAL SPECIFICATIONS

1.1.1 External Appearance

Figure 1.1-1 External Appearance

(1) Dimensions (W x D x H) 105 mm x 154 mm x 52 mm

(2) Weight

Machine proper Approx. 250 g

In package Approx. 500 g (incl. a tape cassette, excl. dry cells)

1.1.2 Entry system

(1) Rubber keypad 4 keys

(2) Dial 32 positions

1.1.3 Display

(1) Display type Liquid crystal display (LCD)

(2) Number of columns 8 columns x 1 row

(See Figure 1.1-2.)

(3) Number of indicators 4 (See Figure 1.1-2.)

I- 2

1.1.4 Printing Mechanism

(1) Print system Direct thermal printing

(Fixed print head and tape feeding mechanism)

(2) Print speed 7.5 mm/second (Typical)

(3) Print head

Type Thermal print head

Heat generator Consists of 64 heating elements vertically aligned

Size of a heating element 0.136 mm wide by 0.106 mm high

1.1.5 Tape Cassette

(1) Cassette Cartridge type

(2) Tape type Direct thermal print tape

(3) Tape size Width: 9, 12 mm

Length: 8 m

(4) Tape cassette packed with the machine Character color: Black

Tape color: White

Tape width: 12 mm or 9 mm (EU)

Tape length: 4 m

1.1.6 Tape Cutter

(1) Tape cutting Manual cutting with the cutter lever

(2) Cutter unit User-replaceable

I- 3

Figure 1.1-2 Key Arrangement (1)

I- 4

Figure 1.1-2 Key Arrangement (2)

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