Can you attach your CUPS error log and the output of the printingbug info script with the "Generic PCL 6/PCL XL Printer Foomatic/pxlmono (recommended)" driver installed.
Can you attach your CUPS error log and the output of the printingbug info script with the "Generic PCL 6/PCL XL Printer Foomatic/pxlmono (recommended)" driver installed.