Why does the Error LED illuminate when scanning a document on my Gemalto AT9000 MK2 Scanner?
- AAaron LeeAug 13, 2025
The Error LED might illuminate due to several reasons: * The scanned document may not be machine-readable; this is normal if only an image is captured. * The document's print quality might be poor or not conform to specifications like ICAO 9303 or OCR B font requirements. * High ambient light could be interfering; ensure ambient light compensation is enabled in the software SDK, re-orient the reader to avoid direct bright light, or install a document reader hood. * The unit might not be configured to read the specific document type. In this case, verify the reader configuration.
