Toshiba B-450-R manual

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Table of contents for the manual

  • Page 1

    PRINTED IN JAPAN TOSHIBA Barcode Printer B-450-R SERIES Document No. E O 18-33021 Original Jun., 2008 (Revised ) Maintenance Manual[...]

  • Page 2

    EO18-33021 CAUTION! 1. This manual may not be copied in whole or in part without prior written perm ission of TOSHIBA TEC. 2. The contents of this manual may be changed without notification. Copyright © 2008 by TOSHIBA TEC CORPORATION A ll Rights Reserved 570 Ohito, Izunokuni-shi, Shi zuoka-ken, JAPAN TABLE OF CONTENTS Page 1. UNPACKING ..........[...]

  • Page 3

    1. UNPACKING EO18-33021 1.1 PROCEDURE 1- 1 1. UNPACKING 1.1 PROCEDURE 1) Open the carton. 2) Unpack the side pad (R) and cushions and the printer from the carton. 3) Place the printer on a level surface. 1.2 CHECKS Check for damage or scratches on the printer. NOTE: Keep the carton, pads and cushions for later transport. Carton Side Pad (R) Printer[...]

  • Page 4

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.1. REPLACING THE CPU PC BOARD 2- 1 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 deliver ed; the[...]

  • Page 5

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.1. REPLACING THE CPU PC BOARD 2- 2 4) Remove the PT-3x10 screw and detach the Side Cover R from the printer. 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. PT -3x10 Screw Side Cover R [...]

  • Page 6

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.1. REPLACING THE CPU PC BOARD 2- 3 7) Release the two Hooks securing the Printer Unit. 8) Detach the Printer Unit from the Bottom Cover. Hook Hook Printer Unit Hook Printer Unit Bottom Cover[...]

  • Page 7

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.1. REPLACING THE CPU PC BOARD 2- 4 9) Remove the four screws (T-3x10 and SMW-3x6) a nd detach the CPU PC Board Ass’y from the Printer Block. 10) Remove the four screws (S MW-3x6 and P-3x6) and detach the CP U PC Board from the PC Board Attached Plate. 11) Remove the SMW-3x6 screw, N-3 Nut and Ground Plate. [...]

  • Page 8

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.2. REPLACING THE MOTOR 2- 5 2.2 REPLACING THE MOTOR 2.2.1 Ribbon Motor 1) Remove the CPU PC Board Ass’y. (Refer to Section 2-1) 2) Remove the two PT-3x10 screws and harnesses to detach the Ribbon Motor Attaching Plate. 3) Remove the four SMW-2.6x6 screws to detach t he two Ribbon Motors from the Ribbon Moto[...]

  • Page 9

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.2. REPLACING THE MOTOR 2- 6 2.2.2 Stepping Motor WARNING! Be careful not to get burned when handling the stepping motor since it becomes very hot while printing. 1) Remove the CPU PC Board A ss’y. (Refer to Section 2.1) 2) Remove the two PT-3x10 screws to detach the Stepping Motor Ass’y. 3) Remove the two[...]

  • Page 10

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.3. REPLACING THE PS UNIT 2- 7 2.3 REPLACING THE PS UNIT WARNING! Replace only with the same type and rated of fuse for continued protection against risk of fire. 1) Remove the Top Cover and Side Co ver L. (Refer to Section 2.1) 2) Remove the PT-3x10 screw to detach the Side Cover R. 3) Disconnect the Power Ha[...]

  • Page 11

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.3. REPLACING THE PS UNIT 2- 8 4) Release the two Hooks securing the Printer Unit. 5) Detach the Printer Unit from the Bottom Cover. Hook Hook Printer Unit Hook PS Unit Printer Block Bottom Cover[...]

  • Page 12

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.3. REPLACING THE PS UNIT 2- 9 6) Detach the PS Unit from the Bottom Cover. 7) Replace the PS Unit as an assembly, then, reasse mble in the reverse order of steps 1) to 6). To replace the Fan Motor, Power Harness, Inlet Ass’ y, PSU Cover, etc. individually, follow the steps 8) to 12) provided below. 8) Remov[...]

  • Page 13

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.3. REPLACING THE PS UNIT 2- 10 10) Push both sides of the Power Switch with something like pliers and remove it from the frame of the PS Unit. Disconnect the Inlet Ass’y from CN1 on the PS Unit. 11) Remove the SMW-3x4 screw to detach the F an Motor Attachment Plate from the PS Unit. 12) After replacing the [...]

  • Page 14

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.4. REPLACING THE PRINT HEAD 2- 11 2.4 REPLACING THE PRINT HEAD CAUTION: 1. NEVER touch the element when handling the print head. 2. NEVER touch the connecto r pins Touching them may cause a static electric discharge which will damage the print head. 1) Open the Top Cover. 2) Push down the Head Release Lever R[...]

  • Page 15

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.5. REPLACING THE MEDIA SENSOR 2- 12 2.5 REPLACING THE MEDIA SENSOR 2.5.1 Replacing the Sensor PCB (TR) 1) Push down the Head Release Lever R to open t he Print Head Block. (Refer to Section 2.4) 2) Remove the Sensor Holder fr om the Sensor Holder Arm. 3) Remove the Sensor Cover S heet from the Sensor Holder. [...]

  • Page 16

    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 Con[...]

  • Page 17

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.5. REPLACING THE MEDIA SENSOR 2- 14 2.5.2 Replacing the Sensor PCB (LED) 1) Open the Top Cover. 2) Remove the two PT-3x10 screws to detach the Side Cover L. 3) Disconnect KEY/LED Harness from c onnector CN13 on the CPU PC Board. 4) Remove the PT-3x10 screw and detach the Side Cover R from the printer. T op Co[...]

  • Page 18

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.5. REPLACING THE MEDIA SENSOR 2- 15 Printer Unit 5) Disconnect the Power Harness and Fan Motor Harness from CN8 and CN10 on the CPU PC Board. 6) Release the two Hooks securing the Printer Unit. CN8 Power Harness CN10 Fan Motor Harness Hook Hook[...]

  • Page 19

    2. MAJOUR UNIT REPLACEMENT EO18-33021 2.5. REPLACING THE MEDIA SENSOR 2- 16 7) Detach the Printer Unit from the Bottom Cover. 8) Disconnect the har ness from the Sensor PCB (LED) whic h is attached to the bottom of the Printer Unit. Then remove the Rivet to detach the Sens or PCB (LED) from the Printer Unit. 9) Replace the Sensor PCB (LED) with a n[...]

  • Page 20

    3. TROUBLESHOOTI NG EO18-33021 3. TROUBLESHOOTING 3- 1 3. TROUBLESHOOTING Problems Cause Solution Power is not turned ON. 1. Input voltage to the printer is not within the rated voltage. 2. Output voltage from the printer is not within the rated voltage. 3. MAIN PC Board is not applied with voltage. 4. Failure of MAIN PC board. ・ Replace the powe[...]