Same here. I'm running Kubuntu 18.04 and printing on an HP CP1025nw (old printer). I tried the command as well to revert to the old ghostscript but it gave me the same error Brian Foster got.
Same here. I'm running Kubuntu 18.04 and printing on an HP CP1025nw (old printer). I tried the command as well to revert to the old ghostscript but it gave me the same error Brian Foster got.