TSC Alpha-3R Service Manual
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TSC Alpha-3R Service Manual

Direct thermal portable printer
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Alpha-3R
Direct Thermal Portable Printer
SERVICE
MANUAL
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Summary of Contents for TSC Alpha-3R

  • Page 1 Alpha-3R Direct Thermal Portable Printer SERVICE MANUAL...

  • Page 2: Table Of Contents

    Contents 1. FUNDAMENTAL OF THE SYSTEM ........ 2 1.1 Overview ......................2 2. ELECTRONICS ..........3 2.1 Summary of Board Connectors ............... 3 3. MECHANISM ..........7 3.1 Replacing the Media Cover ................7 3.2 Replacing the Keys Control Board ..............9 3.3 Replacing the Bluetooth Control Board (Option) .........

  • Page 3: Fundamental Of The System

    1. FUNDAMENTAL OF THE SYSTEM 1.1 Overview Front View 1. LED indicator 2. Feed button 3. Power on/off button 4. Media cover release button 5. Media holder adjustment knob 6. Media cover...

  • Page 4: Interior View

    Interior View 1. Print head 2. Black mark sensor 3. Media holder 4. Platen...

  • Page 5: Rear View

    Rear View 1. Li-ion battery 2. Battery open clasp 3. USB interface 4. Power jack...

  • Page 6: Electronics

    2. ELECTRONICS 2.1 Summary of Board Connectors Main board top Connector Description LED & KEY board WiFi or Bluetooth module connector...
  • Page 7 Description 3.3V BT/WiFi Reset BT RXD BT RTS BT TXD BT CTS WiFi wake up WiFi TCP BT/WiFi Switch Stepping motor Description OUT1 OUT2 OUT1 OUT2 Download F/W connector Description 3.3V RESET NPCS0 MOSI MISO SPCK Head open sensor Description HEAD USB &...
  • Page 8 TPH connector Paper sensor Description 3.3V BM_E BM_R 3.3V...
  • Page 9 Main board bottom Connector Description Battery connector...

  • Page 10: Mechanism

    3. MECHANISM 3.1 Replacing the Media Cover 1. Remove two screws from the back of the printer and two screws from the front of the printer. 2. Take the printer top cover off.
  • Page 11 3. Use a needle to remove the iron bar. 4. Reassemble the parts in the reverse procedures.

  • Page 12: Replacing The Keys Control Board

    3.2 Replacing the Keys Pad 1. Refer to section 3.1 steps 1 and 2 to remove the printer top cover. 2. Remove two screws on the keys control board. 3. Disconnect the connector on the keys control board. 4. Reassemble the parts in the reverse procedures.

  • Page 13: Replacing The Bluetooth Control Board (Option)

    3.3 Replacing the Bluetooth Module (Option) 1. Refer to section 3.2 steps 1, 2, and 3 to remove the keys control board. 2. Remove two screws on the Bluetooth control board. 3. Disconnect the connector on the board. 4. Reassemble the parts in the reverse procedures.

  • Page 14: Replacing The Media Holder Assembly

    3.4 Replacing the Media Holder Assembly 1. Remove two screws and media holder adjustment knob. 2. Take the interior mechanism from the printer bottom cover.
  • Page 15 3. Plug the media holder adjustment knob to rotate the media holder to the closest position and remove a screw on the other side.
  • Page 16 4. Take the media holder assembly from the mechanism. 5. Reassemble the parts in the reverse procedures.

  • Page 17: Replacing The Main Board Assembly

    3.5 Replacing the Main Board Assembly 1. Refer to section 3.2 to section 3.4 to remove key control board, Bluetooth control board (option), and the media holder assembly. 2. Remove two screws from the back of interior mechanism and disconnect all the connectors on the main board assembly.

  • Page 18: Replacing The Print Head Assembly

    3.6 Replacing the Print Head Assembly 1. Refer to section 3.2 to section 3.5 to remove key control board, Bluetooth control board (option), the media holder assembly, and main board assembly. 2. Use the needle-nose pliers to remove two spring torsions on each side. 3.

  • Page 19: Replacing The Stepping Motor

    3.7 Replacing the Stepping Motor 1. Refer to section 3.4 and section 3.5 to remove media holder assembly and main board assembly. 2. Remove the gear holder and two gears. Gear holder Gears 3. Remove two screws. 4. Reassemble the parts in the reverse procedures.

  • Page 20: Replacing The Black Mark Sensor Assembly

    3.8 Replacing the black mark sensor assembly 1. Refer to section 3.2 to section 3.5 to remove key control board, Bluetooth control board (option), the media holder assembly, and main board assembly. 2. Replace the black mark sensor. Black mark sensor assembly 3.

  • Page 21: Replacing The Wifi Control Board (Option)

    3.9 Replacing the WiFi Module (Option) 1. Refer to section 3.2 to remove the keys control board. 2. Remove two screws on the board. 3. Refer to section 3.5 to remove the main board assembly. 4. Replace the WiFi control board. 5.

  • Page 22: Troubleshooting

    TROUBLESHOOTING 4.1 Common Problems The following guide lists the most common problems that may be encountered when operating this bar code printer. If the printer still does not function after all suggested solutions have been invoked, please contact the Customer Service Department of your purchased reseller or distributor for assistance.
  • Page 23 * Re-connect cable to interface. * If using serial cable, - Please replace the cable with pin to pin connected. - Check the baud rate setting. The default baud rate setting of printer is 9600,n,8,1. * If using the Ethernet cable, - Check if the Ethernet RJ-45 connector green LED is lit on.

  • Page 24: Maintenance

    Maintenance This session presents the clean tools and methods to maintain your printer. 1. Please use one of following material to clean the printer.  Cotton swab  Lint-free cloth  Vacuum / Blower brush  100% ethanol 2. The cleaning process is described as following, Printer Part Method Interval...

  • Page 25: Revise History

    Revise History Date Content Editor...
  • Page 26 9F., No.95, Minquan Rd., Xindian Dist., No.35, Sec. 2, Ligong 1st Rd., Wujie Township, New Taipei City 23141, Taiwan (R.O.C.) Yilan County 26841, Taiwan (R.O.C.) TEL: +886-2-2218-6789 TEL: +886-3-990-6677 FAX: +886-2-2218-5678 FAX: +886-3-990-5577 Web site: www.tscprinters.com E-mail: printer_sales@tscprinters.com TSC Auto ID Technology Co., Ltd. tech_support@tscprinters.com...

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