Hudson Robotics Dried Blood Spot Processor - Manual (Page 14)

DBS Processor Page 12
Solution: Clean punch and around punching area.
4. Barcode

Barcode reader does not work.
Cause: The computer is not communicating with the barcode reader.
Solution: Check the connections between the computer and the DBS. Check to
be sure that the correct serial port for the BARCODE connection has been
selected.