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11.14 <
Troubleshooting>
I encounter error
“Cannot open port
device file” when
printing a document.
Please avoid changing the print job
parameters (via LPR GUI, for example)
while a print job is in progress. Known
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
document over the
network in SuSE 9.2,
the machine does not
print.
The CUPS (Common Unix Printing
System) version distributed with SuSE
Linux 9.2
(cups-1.1.21) has a problem with ipp
(Internet Printing Protocol) printing. Use the
socket printing instead of ipp or install later
version of CUPS (cups-1.1.22 or higher).
Problem Possible cause and solutions