Toshiba B-450-R

2. MAJOUR UNIT REPLACEMENT EO18-33021

2.5. REPLACING THE MEDIA SENSOR

2- 13

5) Disconnect the harness from the Sensor PCB (TR), and remove the Sensor PCB (TR) from the Sensor

Holder by releasing the two Rivets.

6) Replace the Sensor PCB (TR) with a new one, and then reassemble in the reverse order of removal.

Rivet

Sensor PCB (TR)

Sensor Holder

Connector

Harness

Contents

Main TOSHIBA Barcode Printer B-450-R SERIES Maintenance Manual Document No. EO18-33021 Original Jun., 2008 (Revised ) TABLE OF CONTENTS 1. UNPACKING 1.1 PROCEDURE 1.2 CHECKS 2. MAJOR UNIT REPLACEMENT Disconnect power cord before replacing important parts. 2.1 REPLACING THE CPU PC BOARD Page Page Page 2.2 REPLACING THE MOTOR 2.2.1 Ribbon Motor 2.2.2 Stepping Motor 2.3 REPLACING THE PS UNIT Page Page Page 2.4 REPLACING THE PRINT HEAD 2.5 REPLACING THE MEDIA SENSOR 2.5.1 Replacing the Sensor PCB (TR) Page 2.5.2 Replacing the Sensor PCB (LED) Page Page 3. TROUBLESHOOTING