Everyone who has black squares in his output, please attach your actually used PPD file (in /etc/cups/ppd/) and follow the instructions under "CUPS error_log" on https://wiki.ubuntu.com/DebuggingPrintingProblems. Attach also the file you tried to print and tell from which application you tried to print it. Do not compress any of the attached files.
Everyone who has black squares in his output, please attach your actually used PPD file (in /etc/cups/ppd/) and follow the instructions under "CUPS error_log" on https:/ /wiki.ubuntu. com/DebuggingPr intingProblems. Attach also the file you tried to print and tell from which application you tried to print it. Do not compress any of the attached files.