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6. Troubleshooting
3
Common Linux problems
Refer to the Linux User’s Guide that came with your computer for further information on Linux error messages.
condition Suggested solutions
The machine does not print. • Check if the printer driver is installed in your system. Open Unified Driver Configurator and switch to the Printers tab
in Printers configuration window to look at the list of available machines. Make sure that your machine is displayed
on the list. If not, open Add new printer wizard to set up your device.
• Check if the machine is started. Open Printers configuration and select your machine on the printers list. Look at the
description in the Selected printer pane. If its status contains Stopped string, press the Start button. After that normal
operation of the machine should be restored. The “stopped” status might be activated when some problems in printing
occurred.
• Check if your application has special print option such as “-oraw”. If “-oraw” is specified in the command line parameter,
then remove it to print properly. For Gimp front-end, select “print” -> “Setup printer” and edit command line parameter
in the command item.
I encounter error “Cannot open port
device file” when printing a document.
Avoid changing print job parameters (via LPR GUI, for example) while a print job is in progress. Known versions of CUPS
(Common UNIX Printing System) 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 the port while printing, the abrupt termination of the driver keeps
the port locked and unavailable for subsequent print jobs. If this situation occurs, try to release the port by selecting
Release port in Port configuration window.
When printing a document over the
network in SuSE 9.2, the printer 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 (Common UNIX
Printing System) (cups-1.1.22 or higher).