Printer on usb:/dev/usb/lp0 was not automatically configurable by Debian.
Please submit the following
information to foomatic-db@packages.debian.org:
<autodetect>
<usb>
<commandset>PCL,DW-PCL,DESKJET,DYN</commandset>
<description>CH350B</description>
<manufacturer>HP</manufacturer>
<model>Deskjet 2050 J510 series</model>
</usb>
</autodetect>