Toshiba B-852-R Series Bedienungsanleitung

PRINTED IN JAPAN

TOSHIBA Thermal Printer

B-852-R SERIES

Document No. EO18-33018

Original Mar., 2006

(Revised )

Maintenance Manual

EO18-33018

TABLE OF CONTENTS

Page

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

1.1 PROCEDURES---------------------------------------------------------------------------------------------1- 1

1.2 CHECKS -----------------------------------------------------------------------------------------------------1- 2

2. MAJOR UNIT REPLACEMENT --------------------------------------------------------------------2- 1

2.1 OPENING AND REMOVING THE COVERS -------------------------------------------------------2- 1

2.2 LUBRICATION----------------------------------------------------------------------------------------------2- 2

2.3 REPLACING THE CPU PC BOARD------------------------------------------------------------------2- 3

2.4 REPLACING THE PANEL PC BOARD---------------------------------------------------------------2- 6

2.5 REPLACING THE STEPPING MOTOR--------------------------------------------------------------2- 8

2.6 REPLACING THE HEAD UP SENSOR, SLIT SENSOR (REWIND/FEED)

AND RIBBON MOTOR (REWIND/FEED) --------------------------------------------------------- 2- 10

2.7 REPLACING THE PLATEN --------------------------------------------------------------------------- 2- 14

2.8 REPLACING THE MEDIA SENSOR---------------------------------------------------------------- 2- 16

2.8.1 Feed Gap Sensor (TR) and Black Mark Sensor (Upper Side)---------------------- 2- 16

2.8.2 Feed Gap Sensor (LED) and Black Mark Sensor (Lower Side)-------------------- 2- 17

2.9 REPLACING THE PRINT HEAD--------------------------------------------------------------------- 2- 19

2.10 REPLACING THE PS UNIT AND REACTOR ---------------------------------------------------- 2- 20

3. PERIODIC MAINTENANCE PROCEDURE.............................................................................3- 1

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

EO18-33018

(Revision Date: Sep. 28, 2007

1.1 Procedure

1- 1

1. UNPACKING

1.1 Procedure

1) Open the carton.

2) Unpack the accessories from the carton.

3) Unpack the pads and the printer from the carton.

Supply Holder

Frame (L) and (R)

Supply Holder

Base

Power Cord

Print Head Cleaner

Owner’s Manual

B-852-R Printer

Bottom Pad

Supply Holder

Unit

Cushion

Carton

ccessory Carton

Supply Holder

Pad

Supply Holder Pad A

Supply Holder Pad B

Wing Bolt

Cushion

Top Pad

Unpacking Instruction

Caution Label Instruction

(QQ/QP model)

Caution Label

(QQ/QP model)

1. UNPACKING

EO18-33018

(Revision Date: Sep. 28, 2007)

1.2 Checks

1- 2

4) Remove the five pieces of tape from the printer.

5) Open the top cover.

6) Remove the one piece of tape.

7) Press down the head block release lever (1) and raise the print head block (2).

8) Remove the print head pad (3).

9) Place the printer on a level surface.

10) Please attach the supplied Caution Label to an easily visible position on the printer. (QQ/QP

model)

CAUTION!

Do not use excessive force when closing the print head block,

as doing this may damage the gears.

1.2 Checks

1) Check for damage or scratches on the machine.

2) Confirm that none of the accessories are missing.

NOTE: Keep the carton and pads for later transport.

Top Cover

Tape

Print Head Block

Head Block Release Lever

Print Head Pad

Print Head Block

2. MAJOR UNIT REPLACEMENT

EO18-33018

2.1 OPENING AND REMOVING THE COVERS

2-1

2. MAJOR UNIT REPLACEMENT

2.1 OPENING AND REMOVING THE COVERS

1) Turn the power off.

2) Open the top cover.

3) Remove the three B-4x6 screws to detach the side cover R.

NOTE: After removing the screws, unhook the side cover R from portion A by lifting and moving it toward

the front of the printer.

4) Remove the two B-4x6 screws, PT-3x8 screw and D-4x6 screw to detach the side cover L.

WARNING!

Disconnect the power cord before replacing the parts.

Top Cove

B-4x6 Screw B-4x6 Screw

Side Cover R

Portion

Side Cover R

Hook

D-4x6 Screw

TT-3x8 Screw

B-4x6 Screw

Side Cover L

2. MAJOR UNIT REPLACEMENT

EO18-33018

2.1 OPENING AND REMOVING THE COVERS

2-2

NOTE: After removing the screws, unhook the side cover L from portion B by lifting and moving it toward

the front of the printer.

5) Disconnect the operation panel harness from CN13 on the MAIN PC Board.

NOTE: Instructions to open the top cover and to detach the side covers L and R are omitted from each

removal/installation procedure provided below.

2.2 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

optional operating condition, periodically clean the machine and apply the proper kind 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.

Hook Portion B

Side Cover L

CN13

MAIN PC

Board

Operation Panel Harness

CAUTION!

1. Lubrication: During parts replacement

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

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

2. MAJOR UNIT REPLACEMENT

EO18-33018

2.3 Replacing the MAIN PC Board

2-3

2.3 Replacing the MAIN PC Board

1) Prior to replacing the MAIN PC board, print out the parameter settings for future reference.

2) Remove the side cover L from the printer. (Refer to Section 2.1.)

3) Remove the three SMW-3x6 screws to detach the rear frame cover.

4) Disconnect the harnesses from CN1, CN2, CN5, CN8, CN9 and CN500 on the MAIN PC board.

Rear Frame Cover

SMW-3x6

Scre

CN9 (Print Head Harness, Signal)

CN5 (Media Sensor Harness)

CN2 (Ribbon Motor Harness)

CN1 (Print Head Harness, Power)

CN500 (Stepping Motor Harness)

MAIN PC Board

2. MAJOR UNIT REPLACEMENT

EO18-33018

2.3 Replacing the MAIN PC Board

2-4

4) Remove the two SMW-4x8 screws, SMW-3x6 screw and B-3x6 screw.

5) Disconnect the power harness from CN8 on the MAIN PC board ass’y, then remove the MAIN PC

board ass’y from the printer.

SMW-3x6 Screw

SMW-4x8 Screw

B-3x6 Screw

MAIN PC Board Ass’

Power Harness

CN8

2. MAJOR UNIT REPLACEMENT

EO18-33018

2.3 Replacing the MAIN PC Board

2-5

6) Remove the two B-3x6 screws and the two SMW-3x6 screws, then remove the MAIN PC board

from the MAIN PCB support frame.

7) Replace the MAIN PC board with a new one, and reassemble in the reverse order of removal.

8) After replacing the MAIN PC board, perform the following operations.

(1) Perform a RAM clear.

(2) Restore the printer system setting according to the printout of the parameter settings.

(3) Perform a media sensor adjustment.

(4) Perform a test print to print to confirm that the printer works properly.

B-3x6 Screw SMW-3x6

MAIN PCB Support Frame

MAIN PC Board

2. MAJOR UNIT REPLACEMENT

EO18-33018

2.4 Replacing the Panel PC Board

2-6

2.4 Replacing the Panel PC Board

1) Remove the side cover L from the printer. (Refer to Section 2.1.)

2) Remove the PT-3x8 screw to detach the operation panel ass’y from the side cover L in the direction

indicated by the arrow.

3) Disconnect the operation panel harness from CN2 on the panel PC board.

4) Disconnect the flat cable from CN3 on the panel PC board.

Side Cover L

PT-3x8 Screw

Operation Panel Ass’y

Operation Panel Harness

CN2

CN3

Flat Cable

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