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Home / Device types / Barcode Scanner
Barcode Scanner diagnostics

Test what the browser can see. Know when it cannot.

Many scanners behave as keyboards or HID devices; test the actual input mode before changing POS or inventory software.

Run these first

Relevant live checks

Keyboard TestPress keys and verify that the browser receives the expected keyboard events.
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WebHID Device TestRequest a compatible HID device in browsers that support WebHID and display its browser-exposed product and vendor identifiers.
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First diagnostic sequence

Do the high-signal checks before risky changes

  1. 1

    Scan into DeviceOK/key-event view if the scanner uses keyboard mode

  2. 2

    Check USB/HID recognition

  3. 3

    Use official configuration barcodes/manual for scanner mode changes

What DeviceOK/browser can help check
  • Observe keyboard-wedge output
  • Request compatible HID devices
What this browser page cannot prove
  • Configure proprietary scanner symbologies universally
  • Inspect laser/imager hardware