Toshiba B-450-R User Manual

EO18-33021

CAUTION!

1. This manual may not be copied in whole or in part without prior written permission of TOSHIBA

TEC.

2. The contents of this manual may be changed without notification.

TABLE OF CONTENTS

Page

1. UNPACKING ............................................................................................................................1- 1

1.1 PROCEDURE..................................................................................................................1- 1

1.2

CHECKS..........................................................................................................................1- 1

2. MAJOUR UNIT REPLACEMENT.............................................................................................2- 1

2.1 REPLACING THE CPU PC BOARD ...............................................................................2- 1

2.2 REPLACING THE MOTOR .............................................................................................2- 5

2.2.1 Ribbon Motor .......................................................................................................2- 5

2.2.2 Stepping Motor.....................................................................................................2- 6

2.3 REPLACING THE PS UNIT ............................................................................................2- 7

2.4 REPLACING THE PRINT HEAD ....................................................................................2-11

2.5 REPLACING THE MEDIA SENSOR ..............................................................................2-11

2.5.1 Replacing the Sensor PCB (TR) .........................................................................3-10

2.5.2 Replacing the Sensor PCB (LED) .......................................................................3-11

3. TROUBLESHOOTING .............................................................................................................3- 1