This would appear to be the same as Bug #1817308 related to a ghostscript update issue. I am running xubuntu 18.10 latest version as of this morning and found the exact same blue print issue with any program printing.
This would appear to be the same as Bug #1817308 related to a ghostscript update issue. I am running xubuntu 18.10 latest version as of this morning and found the exact same blue print issue with any program printing.