FC16 print from browser but not from command line

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http://forums.fedoraforum.org – I've been running FC16 for almost a year now and my Canon MF4360 laser printer has worked fine. I just noticed that I can no longer print from the linux command line. When I print using lpr, the printer starts up but nothing comes out. If I print from firefox or open the file browser, I can print just fine. Could this be a conversion problem when preping the text file from the command line? In the good old days there were params in /etc/printconfig for handling different types of files. This is puzzling since it was working fine a couple of weeks ago when I did some printing from the co (HowTos)