The use of the "ps2write" output device of Ghostscript in the pdftops filter is not yet possible in CUPS, due to http://bugs.ghostscript.com/show_bug.cgi?id=690475
If you observe this bug with your printer, please change to a PCL driver (pxlmono/pxlcolor/hpijs, use a Generic printer as model if no PCL driver is offered for your printer) and report here telling which printer model you have.
The use of the "ps2write" output device of Ghostscript in the pdftops filter is not yet possible in CUPS, due to http:// bugs.ghostscrip t.com/show_ bug.cgi? id=690475
If you observe this bug with your printer, please change to a PCL driver (pxlmono/ pxlcolor/ hpijs, use a Generic printer as model if no PCL driver is offered for your printer) and report here telling which printer model you have.