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TSC Alpha-40L Service Manual

Dicrect thermal mobile barcode printers
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Alpha-40L
Dicrect Thermal
Mobile Barcode Printers
Service Manual

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Summary of Contents for TSC Alpha-40L

  • Page 1 Alpha-40L Dicrect Thermal Mobile Barcode Printers Service Manual...
  • Page 2 All other trademarks are the property of their respective owners. Information in this document is subject to change without notice and does not represent a commitment on the part of TSC Auto ID Technology Co. No part of this manual may be reproduced or transmitted in any form or by any means, for any purpose other than the purchaser’s personal use, without the...

  • Page 3: Table Of Contents

    Table of Contents 1. Fundamental of the System ....................................1 1.1 Printer Overview ......................................1 Front View ........................................1 Interior View ........................................2 Rear View ........................................3 2. Electronics .........................................4 2.1 Summary of the Board Connectors ................................4 3. Mechanism ........................................12 3.1 Replacing the Printer Top Cover (with Keys Control Board) ........................12 3.2 Replacing the Keys Control Board ................................
  • Page 4 3.12 Replacing the Gears on Print Module ............................... 24 3.13 Replacing the Motor Assembly ................................. 25 3.14 Replacing the BT Module ..................................26 3.15 Replacing the Main Board Assembly ................................ 27 3.16 Replacing MicroSD FPCB and MicroSD Holder ............................28 3.17 Replacing Cradle Charge Adapter Board ..............................

  • Page 5: Fundamental Of The System

    1. Fundamental of the System 1.1 Printer Overview Front View Media cover Peeler module NFC touch point MicroSD card socket LCD screen Media cover release button Buttons / LED indicators...

  • Page 6: Interior View

    Interior View Power jack Type C interface Peeler sensor Tear bar Media holder Media holder Gap/Black mark sensors Platen roller...

  • Page 7: Rear View

    Rear View External label entrance chute Charging position for docking cradle Battery open clasp Li-ion battery Installation location for belt clip...

  • Page 8: Electronics

    2. Electronics 2.1 Summary of the Board Connectors...
  • Page 9 Connector Description Remark Power supply output (12V/2A DC) connector DCIN1 Description USB Device connector CON2 Description Pull-down resistor 5.1K Pull-down resistor 5.1K Head open connector CON10...
  • Page 10 Description Head open sensor receiver RTC battery connector CON18 Description Connector Description Remark Black mark sensor connector (Roll side) CON7 Description Black mark sensor emitter Black mark sensor receiver 3.3V Black mark sensor connector (TPH side) CON8...
  • Page 11 Description 3.3V Black mark sensor emitter Black mark sensor receiver 3.3V Print head connector CON13 Motor connector CON14 Description Wi-Fi/Bluetooth module connector CON4 RFID Module connector CON12 Description Enable Reset UART-RXD UART-TXD Panel/Key board connector CON3...
  • Page 12 Main board bottom...
  • Page 13 Connector Description Remark Micro SD FPC connector CON9 Cradle adapter board connector CON5 Description Battery connector CON15...
  • Page 14 Description Battery positive Battery positive Battery connector CON16 Description I2C-SCL I2C-SDA Battery connector CON17...
  • Page 15 Description Battery positive Battery positive...

  • Page 16: Mechanism

    3. Mechanism 3.1 Replacing the Printer Top Cover (with Keys Control Board) Remove 4 screws as indicated. Remove the cable and unscrew 1 screw to take out the printer top cover (with keys control board). Reassemble the parts in the reverse procedures.

  • Page 17: Replacing The Keys Control Board

    3.2 Replacing the Keys Control Board Refer 3.1 to remove the printer top cover (with keys control board). Disconnect the cable and unscrew 4 screws as shown. Disconnect the remain 2 cables and take out the LCD board Reassemble the parts in the reverse procedures.

  • Page 18: Replacing The Torsion Spring

    3.4 Replacing the Torsion Spring Refer to 3.3 to remove the shaft Take out the spring from the hole as shown Reassemble the parts in reverse procedure.

  • Page 19: Replacing Media Cover

    3.5 Replacing Media Cover For GPIO&parallel Board: Refer to 3.1 to remove the top cover. Refer 3.3 to remove the shaft Refer 3.4 to remove torsion spring...
  • Page 20 Unscrew 4 marked screws. Disconnect the cable from the board as shown Separate the media holder Reassemble the parts in reverse procedures.

  • Page 21: Replacing The Label Supply Spindle

    3.6 Replacing the Label Supply Spindle Refer to 3.1 to remove the top cover. Unscrew 4 marked screws.
  • Page 22 Disconnect the cables from the main board and take it out Refer 3.5 to remove the media cover. Flip to back side and unscrew 4 screws as shown. Reassemble the parts in the reverse procedures.

  • Page 23: Replacing Black Mark Sensor

    3.7 Replacing Black Mark Sensor Refer to 3.1 to remove printer’s top cover. Refer to 3.6 to remove the media holder. Replacing the black mark sensor by taking it out from the slot as shown. Reassemble the parts in reverse procedures.

  • Page 24: Replacing The Platen Roller Assembly

    3.8 Replacing the Platen Roller Assembly Open the printer cover by pressing the media release button. Take out the platen roller by lifting and pulling (pry it up) the direction as shown. Reassemble the parts in reverse procedures.

  • Page 25: Replacing Print Module Assembly

    3.9 Replacing Print Module Assembly Refer 3.1 to remove the top cover Refer 3.6 to remove the Media holder Separate the Print Module.

  • Page 26: Replacing Print Head

    3.10 Replacing Print Head Refer 3.1 to remove the top cover Refer 3.3 to remove the Media holder and separate the print module Take off the iron lid on the left side and unscrew 1 screw to take off the iron lid on right side. Squeeze to take out the print head.

  • Page 27: Replacing Print Head Spring

    3.11 Replacing Print Head Spring Refer 3.10 to remove the print head Replacing the spring by pulling it out. Reassemble the part in reverse procedure...

  • Page 28: Replacing The Gears On Print Module

    3.12 Replacing the Gears on Print Module Refer 3.9 to take out the print head module. Unscrew 2 marked screws Remove the Gears. Reassemble the parts in reverse procedures.

  • Page 29: Replacing The Motor Assembly

    3.13 Replacing the Motor Assembly Refer to 3.1 to remove top cover Refer to 3.9 to separate the print module Unscrew 2 screws as shown. Reverse the parts in reverse procedures.

  • Page 30: Replacing The Bt Module

    3.14 Replacing the BT Module Refer 3.1 to remove the top cover Refer 3.3 to lift the media holder and print module Unscrew 4 screws to remove BT module. Reassemble the parts in reverse procedure.

  • Page 31: Replacing The Main Board Assembly

    3.15 Replacing the Main Board Assembly Refer 3.1 to re move the top cover Refer 3.3 to lift the media holder and print module. Refer 3.14 to remove the BT module Disconnect the remaining cables and unscrew 3 marked screws. Reassemble the parts in reverse procedures.

  • Page 32: Replacing Microsd Fpcb And Microsd Holder

    3.16 Replacing MicroSD FPCB and MicroSD Holder Refer to 3.1 to remove the top cover Refer 3.3 to lift the media holder and print module. Disconnect the cable and unscrew 2 marked screw as shown Reassemble the parts in reverse procedures...

  • Page 33: Replacing Cradle Charge Adapter Board

    3.17 Replacing Cradle Charge Adapter Board Refer 3.1 to remove the top cover Refer 3.3 to lift the media holder and print module. Disconnect the cable and unscrew 2 marked screws as shown. Reassemble the parts in the reverse procedures.

  • Page 34: Replacing Lower Cover

    3.18 Replacing Lower Cover Refer 3.1 to remove the top cover. Refer 3.6 to remove the lift the media holder and print module. Refer 3.15 to remove the main board. Refer 3.16 to remove MicroSD FPCB and holder. Refer 3.17 to remove cradle charge adapter board. Reassemble the parts in reverse procedure.

  • Page 35: Replacing Antenna Pcb

    3.19 Replacing Antenna PCB Refer 3.1 to open top cover. Refer 3.6 to lift the media holder Unplug the Antenna PCB and cable from the WiFi PCB Reassemble the parts in reverse procedures.

  • Page 36: Replacing Wifi Module

    3.20 Replacing WiFi Module ※ Before replacing the new Wi-Fi module, please set the default to clear the old Wi-Fi settings in the printer via TSC Console. And you need to reset the Wi-Fi settings after replacing the new Wi-Fi module.
  • Page 37 Refer 3.1 to open top cover. Unplug the cable of Antenna PCB Unscrew 4 marked screws. Reassemble the parts in reverse procedures.

  • Page 38: Replacing Rtc Module

    3.21 Replacing RTC Module. Refer 3.1 to open top cover. Refer 3.6 to lift the media holder Unplug the cable from main board and peel it off from lower cover. Reassemble the parts in reverse procedures.

  • Page 39: Replacing Smart Battery

    3.22 Replacing Smart Battery Turn the printer to the back side Take out the battery Reassemble the parts in reverse procedures.

  • Page 40: Troubleshooting

    4. TroubleShooting Problem Possible Cause Recovery Procedure * Reinstall the battery. * The battery is not properly installed. * Switch the printer on. No Power * Battery out of power. * Charge the battery. * Battery damage. * Replace a new battery. * Check if interface cable is well connected to the * Re-connect cable to interface change a new cable.
  • Page 41 * SD card is damaged. * Use the supported capacity SD card. SD card is unable to use * SD card doesn’t insert correctly. * Insert the SD card again. * Reload the supply. * Media is loaded incorrectly * Clean the print head. * Dust or adhesive accumulation on the print * Clean the platen roller.

  • Page 42: Maintenance

    5. Maintenance This session presents the clean tools and methods to maintain the printer.  For Cleaning Depending on the media used, the printer may accumulate residues (media dust, adhesives, etc.) as a by-product of normal printing. To maintain the best printing quality, you should remove these residues by cleaning the printer periodically. Regularly clean the print head and supply sensors once change a new media to keep the printer at the optimized performance and extend printer life.
  • Page 43 Cleaning Tools  Cotton swab  Lint-free cloth  Brush with soft non-metallic bristles  Vacuum cleaner  75% Ethanol (for disinfecting)  99% Isopropyl alcohol (for printhead and platen roller cleaning)  Genuine printhead cleaning pen  Mild detergent (without chlorine) Cleaning Process: Printer Part Method...

  • Page 44: Revise History

    Revise History Date Content Editor...

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