Samsung Linux CUPS USB Printing

Ever since upgrading from Mandriva 2010.0(?) to 2010.1 (and also 2010.2), both of my Samsung laser printers have been intermittent. Print jobs would often be silently discarded. CUPS logs show that the print jobs are completed, the printer would warm up, the printer’s LED blinks once or twice, then the print job is “complete”. But nothing gets printed. . . . → Read More: Samsung Linux CUPS USB Printing