Toshiba B-450-R User Manual
TOSHIBA Barcode Printer
B-450-R SERIES
Maintenance Manual
Document No. EO18-33021
Original Jun., 2008
(Revised )
PRINTED IN JAPAN
EO18-33021
A
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
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.
Copyright © 2008
by TOSHIBA TEC CORPORATION
ll Rights Reserved
570 Ohito, Izunokuni-shi, Shizuoka-ken, JAPAN
1. UNPACKING EO18-33021
1.1 PROCEDURE
1. UNPACKING
1.1 PROCEDURE
1) Open the carton.
2) Unpack the side pad (R) and cushions and the printer from the carton.
Side Pad (R)
Cushion
3) Place the printer on a level surface.
1.2 CHECKS
Printer
Owner’s Manual
Cushion
Power Cord
Carton
Check for damage or scratches on the printer.
NOTE: Keep the carton, pads and cushions for later transport.
1- 1
2. MAJOUR UNIT REPLACEMENT EO18-33021
2.1. REPLACING THE CPU PC BOARD
2. MAJOR UNIT REPLACEMENT
WARNING!
Disconnect power cord before replacing important parts.
Lubrication
CAUTION: 1) Lubrication: During parts replacement.
2) Kinds of oil: 1Kg can. (Part No. 19454906001).
Any machine is generally in its best condition when delivered; therefore, it is necessary to try to keep this
condition. Unexpected failure occurs due to lack of oil, debris or dust. To keep its best condition,
periodically clean the machine and apply proper kinds of oil to each part in which lubrication is needed.
Although the frequency of lubrication varies according to how much the machine is used, at least it is
necessary to lubricate before the machine becomes dry. It is also necessary to wipe off excessive oil as
it collects dirt.
CAUTION: Do not spray the inside of the printer with lubricants. Unsuitable oil can damage
the mechanism.
2.1 REPLACING THE CPU PC BOARD
1) Open the Top Cover.
2) Remove the two PT-3x10 screws to detach the Side Cover L.
Top Cover
PT-3x10 Screw
3) Disconnect KEY/LED Harness from connector CN13 on the CPU PC Board.
CN13
KEY/LED Harness
Side Cover L
Side Cover L
CPU PC Board
2- 1
2. MAJOUR UNIT REPLACEMENT EO18-33021
2.1. REPLACING THE CPU PC BOARD
4) Remove the PT-3x10 screw and detach the Side Cover R from the printer.
PT-3x10 Screw
Side Cover R
5) Disconnect the seven harnesses from CN1, CN2, CN5, CN8 to CN10, and CN500 on the CPU PC
Board.
6) Remove the T-3x10 screw and the Ground Wire to detach the CPU PC Board.
CPU PC Board
CN9
CN5
CN2
CN1
CN500
CN8
CN10
T-3x10 screw
Ground Wire
2- 2
2. MAJOUR UNIT REPLACEMENT EO18-33021
2.1. REPLACING THE CPU PC BOARD
7) Release the two Hooks securing the Printer Unit.
Printer Unit
Hook
Hook
8) Detach the Printer Unit from the Bottom Cover.
Hook
Printer Unit
Bottom Cover
2- 3
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