Does the same job print correctly on your real printers?
Can you follow the instructions of the sections "CUPS error_log" and "Capturing print job data" on https://wiki.ubuntu.com/DebuggingPrintingProblems.
Does the same job print correctly on your real printers?
Can you follow the instructions of the sections "CUPS error_log" and "Capturing print job data" on https:/ /wiki.ubuntu. com/DebuggingPr intingProblems.