Samsung CLX-216x manual Problem Possible cause and solutions

Problem	Possible cause and solutions
I encounter error	Please avoid changing the print job
“Cannot open port	parameters (via LPR GUI, for example)
device file” when	while a print job is in progress. Known
printing a document.	versions of CUPS server break the print job
	whenever print options are changed and
	then try to restart the job from the
	beginning. Since Unified Linux Driver locks
	port while printing, the abrupt termination of
	the driver keeps the port locked and
	therefore unavailable for subsequent print
	jobs. If this situation occurred, please, try to
	release the port.
When printing a	The CUPS (Common Unix Printing
document over the	System) version distributed with SuSE
network in SuSE 9.2,	Linux 9.2
the machine does not	(cups-1.1.21) has a problem with ipp
print.	(Internet Printing Protocol) printing. Use the
	socket printing instead of ipp or install later
	version of CUPS (cups-1.1.22 or higher).

11.14 <Troubleshooting>