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Toshiba B-EP4DL Series Maintenance Manual

Potable printer
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See also: Owner's Manual
TOSHIBA Potable Printer
B-EP4DL SERIES
Maintenance Manual
Document No. EO18-33023
Original
Sep., 2008
(Revised
)
PRINTED IN JAPAN

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Summary of Contents for Toshiba B-EP4DL Series

  • Page 1 TOSHIBA Potable Printer B-EP4DL SERIES Maintenance Manual Document No. EO18-33023 Original Sep., 2008 (Revised PRINTED IN JAPAN...
  • Page 2 WARNING! Follow all manual instructions. Failure to do so could create safety hazards such as fire or electrocution. NOTE: Failure to follow manual instructions or any unauthorized modification, substitution orchange to this product will void the limited product warranty.

  • Page 3: Table Of Contents

    2.11 Replacing the Platen Ass’y....................2- 21 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.

  • Page 4: Unpacking

    1. UNPACKING EO18-33023 1.1 Procedure UNPACKING 1.1 Procedure Open the carton. Unpack the accessories from the carton. Unpack the printer. NOTE: Keep the carton and pad for future transportation of the printer. 1.2 Checks Check for damage or scratches on the machine. Confirm that none of the accessories are missing.

  • Page 5: Major Unit Replacement

    2. MAJOR UNIT REPLACEMENT EO18-33023 2.1 Replacing the CPU PC Board MAJOR UNIT REPLACEMENT WARNING! 1. Disconnect the power cord before installing the main parts. 2. Be careful not to injure your fingers when replacing the main parts. CAUTION! 1. Since a lot of small moulded parts are used in this printer, care must be taken not to damage or lose them.
  • Page 6 2. MAJOR UNIT REPLACEMENT EO18-33023 2.1 Replacing the CPU PC Board Press the Top Cover Open Button to open the Top Cover. Remove the Left Side Cover in the direction of the arrow. Top Cover Top Cover Open Button Left Side Cover NOTE: The Gears shown in the picture below are not secured and are easily removed.
  • Page 7 2. MAJOR UNIT REPLACEMENT EO18-33023 2.1 Replacing the CPU PC Board Remove the Front Cover. CPU PC Board Front Cover Disconnect all Connectors and FPC Cable from the CPU PC Board. NOTE: Before disconnecting the FPC Cable, release the Connector Lock. FPC Cable CPU PC Board Connector Lock...
  • Page 8 2. MAJOR UNIT REPLACEMENT EO18-33023 2.1 Replacing the CPU PC Board Open the Hooks, then remove the CPU PC Board from the Front Cover. CPU PC Board Hook Hook Remove the screw, then remove the Earth Terminal. T-2x5 Screw Earth Terminal 10) Replace the CPU PC Board with a new one, then reassemble in the reverse order of removal.
  • Page 9 2. MAJOR UNIT REPLACEMENT EO18-33023 2.1 Replacing the CPU PC Board 11) Close the front cover. Front Cover NOTES: 1. Make sure that the pins on the both sides of the front cover are fit in position, as shown in the pictures below.
  • Page 10 2. MAJOR UNIT REPLACEMENT EO18-33023 (Revision Date: Dec. 16, 2008) 2.1 Replacing the CPU PC Board NOTE: It is easy to mount the left side cover if you fit the tabs from the LCD side in order, then secure the bottom side.
  • Page 11 2. MAJOR UNIT REPLACEMENT EO18-33023 (Revision Date: Dec. 16, 2008) 2.1 Replacing the CPU PC Board NOTES: 1. After replacing the CPU PC Board, refer to the Setting Operation Manual or System Mode Manual and perform the following operations. 1. Perform a RAM clear. 2.

  • Page 12: Replacing The Lcd Unit

    2. MAJOR UNIT REPLACEMENT EO18-33023 2.2 Replacing the LCD Unit Replacing the LCD Unit Remove the Right Cover, Left Cover, Front Cover and CPU PC Board. (Refer to Section 2.1 Replacing the CPU PC Board.) Remove the three screws, then remove the LCD Unit. T-2x5 Screw Screw LCD Unit...

  • Page 13: Replacing The Peel-Off Roller

    2. MAJOR UNIT REPLACEMENT EO18-33023 2.3 Replacing the Peel-off Roller Replacing the Peel-off Roller Remove the Right Cover, Left Cover and Front Cover. (Refer to Section 2.1 Replacing the CPU PC Board.) Remove the two Roller Clips with a straight slot screwdriver, then remove the Peel-off Roller Ass’y. Roller Clip Straight Slot Peel-off Roller...

  • Page 14: Replacing The Peel-Off Sensor

    2. MAJOR UNIT REPLACEMENT EO18-33023 2.4 Replacing the Peel-off Sensor Replacing the Peel-off Sensor Remove the Right Cover, Left Cover and Front Cover. (Refer to Section 2.1 Replacing the CPU PC Board.) Disconnect the Connector from the CPU PC Board. Pull out the Cover Shaft, then remove the Peel-off Sensor Unit.
  • Page 15 2. MAJOR UNIT REPLACEMENT EO18-33023 2.4 Replacing the Peel-off Sensor Replace the Peel-off Sensor with a new one, then reassemble in the reverse order of removal. NOTES: 1.Be careful of the orientation of the Peel-off Springs as shown in the picture below when reassembling the Peel-off Sensor Unit.

  • Page 16: Replacing The Drive Pc Board

    2. MAJOR UNIT REPLACEMENT EO18-33023 2.5 Replacing the Drive PC Board Replacing the Drive PC Board Remove the Right Cover, Left Cover and Front Cover. (Refer to Section 2.1 Replacing the CPU PC Board.) Disconnect all Connectors and FPC Cable from the Drive PC Board. Drive PC Board Drive PC Board NOTE: Before disconnecting the FPC Cable, release the Connector Lock.

  • Page 17: Replacing The Battery Terminal

    2. MAJOR UNIT REPLACEMENT EO18-33023 2.6 Replacing the Battery Terminal Replacing the Battery Terminal Remove the Right Cover, Left Cover and Front Cover. (Refer to Section 2.1 Replacing the CPU PC Board.) Remove the Drive PC Board. (Refer to Section 2.5 Replacing the Drive PC Board.) Hold down the Hook and remove the Battery Terminal upward.

  • Page 18: Replacing The Stepping Motor

    2. MAJOR UNIT REPLACEMENT EO18-33023 2.7 Replacing the Stepping Motor Replacing the Stepping Motor Remove the Right Cover, Left Cover and Front Cover. (Refer to Section 2.1 Replacing the CPU PC Board.) Remove the two screws. Stepping Motor SMW-3x8 Screw Disconnect the Connector from the Drive PC Board.

  • Page 19: Replacing The Print Head

    2. MAJOR UNIT REPLACEMENT EO18-33023 2.9 Replacing the Cover Open Switch and Media Sensor (Lower) Replacing the Print Head CAUTION! 1. Before handling the print head, be sure to discharge static electricity in human body through other metals. Failure to do this may damage the print head element. 2.
  • Page 20 2. MAJOR UNIT REPLACEMENT EO18-33023 (Revision Date: Dec. 16, 2008) 2.9 Replacing the Cover Open Switch and Media Sensor (Lower) Disconnect the Head FPC from the Print Head Connector. NOTE: When reassembling the Head FPC, the contact portion should be faced upward. Print Head Connector Head FPC Remove the Print Head Ass’y.

  • Page 21: Replacing The Cover Open Switch And Media Sensor (Lower)

    2. MAJOR UNIT REPLACEMENT EO18-33023 (Revision Date: Dec. 16, 2008) 2.9 Replacing the Cover Open Switch and Media Sensor (Lower) Replacing the Cover Open Switch and Media Sensor (Lower) Remove the Right Cover, Left Cover and Front Cover. (Refer to Section 2.1 Replacing the CPU PC Board.) Release the Hooks by pulling the Paper Guides, then remove the Paper Guide Ass’y.
  • Page 22 2. MAJOR UNIT REPLACEMENT EO18-33023 (Revision Date: Dec. 16, 2008) 2.9 Replacing the Cover Open Switch and Media Sensor (Lower) Remove the Cover Open Switch (L) and Cover Open Switch (R) from the Base Cover. Cover Open Switch (R) Cover Open Switch (L) Base Cover Connector Replace the Media Sensor (Lower) and Cover Open Switches (L) and (R) with a new one, then reassemble...

  • Page 23: Replacing The Media Sensor (Upper)

    2. MAJOR UNIT REPLACEMENT EO18-33023 2.10 Replacing the Media Sensor (Upper) 2.10 Replacing the Media Sensor (Upper) Remove the Right Cover, Left Cover and Front Cover. (Refer to Section 2.1 Replacing the CPU PC Board.) Remove the two screws which secure the Outlet Paper Guide Ass’y. Release the Hooks, then remove the Outlet Paper Guide Ass’y.
  • Page 24 2. MAJOR UNIT REPLACEMENT EO18-33023 2.10 Replacing the Media Sensor (Upper) Replace the Media Sensor (Upper) with a new one, then reassemble in the reverse order of removal. NOTE: After replacing the Media Sensor, refer to the Setting Operation Manual or System Mode Manual and perform the following operations.

  • Page 25: Replacing The Platen Ass'y

    2. MAJOR UNIT REPLACEMENT EO18-33023 (Revision Date: Dec. 16, 2008) 2.10 Replacing the Platen Ass’y 2.11 Replacing the Platen Ass’y Remove the Upper Sensor Cover. (Refer to Section 2.9 Replacing the Media Sensor (Upper).) Release the Hooks, then remove the Platen Ass’y. Platen Ass’y Hook Hook...

  • Page 26: Troubleshooting

    3. TROUBLESHOOTING EO18-33023 3. TROUBLESHOOTING TROUBLESHOOTING Problems Cause Solution The printer is not turned 1. The battery is not loaded correctly. 1. Re-load the battery correctly. 2. The battery terminal is 2. Replace the battery terminal. disconnected from the soldering part.
  • Page 27 3. TROUBLESHOOTING EO18-33023 3. TROUBLESHOOTING Problems Cause Solution The printer does not print 1. The sensors are not adjusted 1. Re-adjust the sensors. labels one by one in the properly. strip mode or specified 2. The sensors are not installed 2.

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