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How to Connect Your Barcode Scanner to the Sunmi M2 Max

Connect and configure a barcode scanner on the Sunmi M2 Max, including configuration barcodes and fixes for unresponsive scans.

Written by Euri

Learn how to connect the barcode scanner to the M2 Max:

Placement of Scanner and Base


​Troubleshooting Barcode Scanner Issues

If your barcode scanner is plugged in and makes a beeping sound when pressed but no action is noticed on the tablet, follow these steps to resolve the issue:
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​Required Barcode Scans for SUNMI Scanners
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​Steps to Scan the Configuration Barcodes
Locate the Configuration Barcodes:

  • These barcodes are typically provided in the scanner’s manual or can be scanned directly from this screen.
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    ​Scan the Barcodes:

  1. Trigger Mode:

    • Scan the Trigger Mode barcode to ensure the scanner activates only when the trigger is pressed.

  2. CR Terminator:

    • Scan the CR barcode to set the terminator character.



​Alternative Troubleshooting

  1. Access Settings:

    • Navigate to the Settings menu on your tablet.

  2. Open System Settings:

    • Go to System within the Settings menu.

  3. Configure Scan Code and Keyboard:

    • Select Scan code and Keyboard.
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  4. Select Device:

    • Choose the appropriate device from the list (it is usually, but not always, shown as USB keyboard).
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  5. Set Device Type:

    • Ensure the device type is set to Scanner.

  6. Enable Broadcast Output:

    • Make sure the Broadcast Output toggle is turned on.
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Following these steps should ensure that your barcode scanner functions correctly with your tablet. If the issue persists, please contact support for further assistance.
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