Brother PT 1800 - P-Touch 1800 Thermal Transfer... User manual

SERVICE MANUAL
MODEL: PT-1800/1810

SERVICE MANUAL
MODEL: PT-1800/1810

© Copyright Brother 1999
All rights reserved.
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 PT-
1800/1810. It is intended for service personnel and other concerned persons to
accurately and quickly provide after-sale service for our PT-1800/1810.
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 appendices.
CHAPTER ISPECIFICATIONS
CHAPTER II MECHANISMS
CHAPTER III ELECTRONICS
CHAPTER IV TROUBLESHOOTING
APPENDICES CIRCUIT DIAGRAMS

CHAPTER I
SPECIFICATIONS

CONTENTS
CHAPTER ISPECIFICATIONS
1.1 MECHANICAL SPECIFICATIONS ........................................................................................I-1
1.1.1 External Appearance................................................................................................I-1
1.1.2 Keyboard..................................................................................................................I-1
1.1.3 Display......................................................................................................................I-2
1.1.4 Printing Mechanism..................................................................................................I-2
1.1.5 Tape Cassette..........................................................................................................I-3
1.1.6 Tape Cutter ..............................................................................................................I-3
1.2 ELECTRONICS SPECIFICATIONS ......................................................................................I-7
1.2.1 Character Generator ................................................................................................I-7
1.2.2 Power Supply...........................................................................................................I-7
1.3 KEY COMMANDS FOR SPECIAL FUNCTIONS...................................................................I-8
1.3.1 Initializing..................................................................................................................I-8
1.3.2 Demonstration Print..................................................................................................I-8

I- 1
1.1 MECHANICAL SPECIFICATIONS
1.1.1 External Appearance
Figure 1.1-1 External Appearance
[ 1 ] Dimensions (W x D x H) 183 x 205 x 60 mm (7.20" x 8.07" x 2.36")
[ 2 ] Weight Machine proper Approx. 730 g
In package Approx. 1.4 kg
(including batteries, a tape cassette, and user's
manual)
1.1.2 Keyboard
[ 1 ] Entry system Rubber key pad
[ 2 ] Number of alphanumeric and symbol keys 39
[ 3 ] Number of function keys 12 (including ON/OFF key)
[ 4 ] Key arrangement See Figure 1.1-2.

I- 2
1.1.3 Display
[ 1 ] Display type Liquid crystal display (LCD)
[ 2 ] Number of columns 12 columns x 2 rows
(See Figure 1.1-2.)
[ 3 ] Number of indicators 19 (See Figure 1.1-2.)
[ 4 ] Character size 5 dots wide by 7 dots high
[ 5 ] Dot size 0.524 mm (20.6 mils) wide by 0.58
mm (22.8 mils) high
[ 6 ] Field-of-view angle adjustment Fixed by a resistor
1.1.4 Printing Mechanism
[ 1 ] Print method Thermal transfer onto plastic tapes (laminate
tape and non-laminated tape) or special
tapes (instant lettering tape, non-laminated
thermal film tape, iron-on transfer tape, and
porous-stamp tape)
(Fixed print head and tape feeding
mechanism)
[ 2 ] Print speed 10 mm/second (Typical)
[ 3 ] Print head
Type Thermal print head
Heat generator Consists of 128 heating elements vertically
aligned (96 out of them actually used)
Size of heating element 0.195 mm (7.7 mils) wide by 0.141 mm (5.6
mils) high
[ 4 ] Character size (dots)
Height Point size No. of heating elements to be used
6 15
9 21
12 28
18 44
24 56
36 88
Width OFF (Medium)
ON (Wide)

I- 3
1.1.5 Tape Cassette
[ 1 ] Cassette Cartridge type
[ 2 ] Types of tape cassettes
•Laminated tape cassette Laminate tape, ink ribbon, and adhesive base
tape
•Non-laminated tape cassette Non-laminate tape and ink ribbon
•Instant lettering tape cassette Instant lettering tape and ink ribbon
•Non-laminated thermal film Non-laminated thermal film tape
tape cassette
•Iron-on transfer tape cassette Iron-on transfer tape and ink ribbon
•Stamp tape cassette Porous-stamp tape and base paper
[ 3 ] Tape size Width Length
Laminate tape 6, 9, 12, 18 mm 8 m
(5 m for the
fluorescent
coating tape)
Non-laminate tape 6, 9, 12, 18 mm 8 m
Instant lettering tape 18 mm 8 m
Non-laminated thermal film tape 12, 18 mm 8 m
Iron-on transfer tape 18 mm 6 m
Porous-stamp tape 18 mm 3 m
[ 4] Tape cassette packed with the machine
Laminated tape cassette containing a 12-mm-
wide black ink ribbon, laminate tape, and
adhesive base tape
1.1.6 Tape Cutter
[ 1 ] Tape cutting Manual cutting with the cutter lever
[ 2 ] Cutter unit Not user-replaceable

I- 4
nU.S.A/Canada
nU.K.
Figure 1.1-2 Key Arrangement (1)