Toshiba B-SX6T Series Bedienungsanleitung

PRINTED IN JAPAN

TOSHIBA Thermal Printer

B-SX6T/SX8T SERIES

Document No. EO18-33017

Original Mar., 2006

(Revised )

Maintenance Manual

EO18-33017

TABLE OF CONTENTS

Page

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

1.1 Procedure ----------------------------------------------------------------------------------------------------1- 1

1.2 Checks--------------------------------------------------------------------------------------------------------1- 2

2. MAIN UNIT REPLACEMENT-----------------------------------------------------------------------------------2- 1

2.1 Replacing the MAIN PC Board -------------------------------------------------------------------------2- 2

2.2 Replacing the PS Unit-------------------------------------------------------------------------------------2- 3

2.3 Replacing the Stepping Motor --------------------------------------------------------------------------2- 5

2.4 Replacing the Ribbon Motors ---------------------------------------------------------------------------2- 7

2.5 Replacing the Print Head -------------------------------------------------------------------------------------2- 8

2.6 Replacing the Solenoid (Standard on the B-SX8T, Option for the B-SX6T) ----------------2- 9

2.7 Replacing the Platen ------------------------------------------------------------------------------------------2-11

2.8 Replacing the Roller Belt and Feed Roller----------------------------------------------------------2-12

2.9 Replacing the Media Sensor -------------------------------------------------------------------------------2-14

2.10 Periodic Maintenance Procedure--------------------------------------------------------------------------2-15

3. MECHANISM DESCRIPTION----------------------------------------------------------------------------------3- 1

3.1 Cutter Driver-------------------------------------------------------------------------------------------------------3- 1

3.1.1 Replacing the Cutter Arm and Clutch -----------------------------------------------------------------3- 2

4. TROUBLESHOOTING -------------------------------------------------------------------------------------------4- 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.

3. Please refer to your local Authorised Service representative with regard to any queries you

may have in this manual.

by TOSHIBA TEC CORPORATION

ll Rights Reserved

570 Ohito, Izunokuni-shi, Shizuoka-ken, JAPAN

1. UNPACKING EO18-33017

1.1 Procedure

1- 1

1. UNPACKING

1.1 Procedure

1. Open the carton.

2. Take out the accessories from the carton.

3. Take out the side pads (L) and (R ) and the printer from the carton.

4. Place the printer on a level surface.

ccessory Pad

Holder Base

Start-up CD-ROM

Supply Loading Instruction

Safety Precaution

Quality Control Report

Warranty Disclaimer Sheet

Holder Shaft

Side Pad (L) Print Head Cleaner

Left/Right Side Holders

Printer

Side Pad (R)

Thumbscrew (M-4x6)

Carton

Media Holders

1. UNPACKING EO18-33017

1.2 Checks

1- 2

5. Remove the tapes from the printer.

1.2 Checks

1. Check for damage or scratches on the printer.

2. Confirm that none of the accessories are missing. The parts below are provided as accessories.

NOTE: Keep the carton and pads for later transport.

2. MAIN UNIT REPLACEMENT

EO18-33017

2. MAIN UNIT REPLACEMENT

2- 1

2. MAIN UNIT REPLACEMENT

1. Turn the power off and disconnect the Power Cord.

2. Open the Right Side Cover and Top Cover.

3. Remove the six screws (FL-4x6, B-4x6, and B-3x8) to detach the Left Side Cover.

4. Remove the B-3x8 screw to remove the Bottom Plate.

NOTE: Instructions to open the Top Cover and Right Side Cover and to remove the Left Side Cover are omitted

from each removal/installation procedure provided below.

Lubrication

All machines are generally delivered in their best condition. Efforts should be made to keep them that way.

Lack of oil, or the presence of debris or dust, may cause an unexpected failure. To maintain in optimal

operating condition, periodically clean the machine and apply the proper kinds of oil to each part in which

lubrication is needed.

Although the frequency of lubrication varies according to how often the machine is used, as a minimum it is

necessary to lubricate before any part becomes dry. It is also necessary to wipe off excessive oil or it will

collect dirt.

WARNING!

Turn the power off and disconnect the power cord before replacing the main parts.

CAUTION!

1. DO NOT separate the ribbon motors from the attachment plate (bracket), as doing so will change

their adjustment. (See Section 2.4 REPLACING THE RIBBON MOTORS.)

2. DO NOT remove the two screws painted in red on the side of the print block.

3. DO NOT remove screws unless directed to do so in this manual. Removing screws may change

pre-set adjustments.

B-4x6 Screw

B-3x8 Screw

Left Side Cover

Bottom Plate

Top Cover

FL-4x6 Screw

Right Side Cover

B-3x8 Screw

CAUTION!

1. Lubrication: During parts replacement

2. Kinds of oil: FLOIL G-488: 1kg can (Part No. 19454906001)

3. Do not spray the inside of the printer with lubricants. Unsuitable oil can damage the mechanism.

2. MAIN UNIT REPLACEMENT

EO18-33017

2.1 Replacing the MAIN PC Board

2- 2

2.1 Replacing the MAIN PC Board

1. Disconnect the all connectors from the MAIN PC Board.

2. Remove the three screws (FL-3x5 and SM-3x6) from the MAIN PC Board.

3. Remove the four screws (SMW-3x6 and SMW-3x6*) to separate the MAIN PC Board from the

Attachment Plate.

4. Replace the MAIN PC Board with a new one, and reassemble in the reverse order of removal.

CAUTION!

Replace only with the same type and rated fuse for continued protection against risk of fire.

SM-3x6 Screw

FL-3x5 Screw

SMW-3x6 Screw

ttachment Plate

MAIN PC Board

B-3x6* Screw

SMW-3x6 Screw

3.MAIN UNIT REPLACEMENT

EO18-33017

2.2 Replacing the PS Unit

2- 3

2.2 Replacing the PS Unit

1. Disconnect the reactor cable from the Reactor and remove it from the cable clamp.

2. Remove the two FL-4x6 screws to detach the PS Unit. Pushing the AC power inlet from behind will ease

the removal of the PS Unit.

Reacto

Reactor Cable PS Unit

Cable Clamp

FL-4x6 screw

PS Unit

3.MAIN UNIT REPLACEMENT

EO18-33017

2.2 Replacing the PS Unit

2- 4

2. Disconnect the PS Cable from CN1 connector of the PS Unit.

3. Replace the PS Unit with a new one, and reassemble in the reverse order of removal. When

reassembling, place the PS Cable into Notch (A) and Notch (B). Then, pass the Reactor cable through

Notch (C).

PS Uni

PS Cable

CN1 connector

PS Cable

Notch (C)

Reactor Cable

Notch (B)

PS Cable

Notch (A)

3.MAIN UNIT REPLACEMENT

EO18-33017

2.3 Replacing the Stepping Motor

2- 5

2.3 Replacing the Stepping Motor

1. Remove the four FL-4x6 screws to detach the Front Plate.

2. Disconnect the cable from CN500 on the MAIN PC Board.

3. Remove the two SM-4x8 screws, take the two belts off the Pinion Gear, and remove the Stepping Motor.

4. Replace the Stepping Motor with a new one.

(1) At this time, place the Platen Belt around the Pinion Gear first, then the Feed Roller Belt, so that the

partition is positioned between the two belts.

Stepping Motor

FL-4x6 Scre

FL-4x6 Screw

CN500

SMW-4x8 Screw

MAIN PC Board

Front Plate

Feed Roller Belt

Partition

Platen Belt

Pinion Gear

3.MAIN UNIT REPLACEMENT

EO18-33017

2.3 Replacing the Stepping Motor

2- 6

(2) Temporarily attach the Stepping Motor, by tightening the two screws, in order of A and B.

(3) Using a tension gauge, press down the Stepping Motor with 34.3N

•

cm ±2.94N

•

cm force.

While pressing down the Stepping Motor, tighten the screws A and B, in order.

Make sure that the Platen Belt and Feed Roller Belt have no slack, are engaged, and evenly tense.

5. Reassemble in the reverse order of removal.

First, tighten

Screw A.

Secondly, tighten

Screw B.

34.3N

•

cm ±2.94N

•

cm force

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