Samsung ML-6512ND User Manual Ver.1.03 (English) - Page 93

Common Linux problems, Common Macintosh problems

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Common Linux problems CONDITION The machine does not print. Some color images come out all black. SUGGESTED SOLUTIONS • 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. For instance, this could be an attempt to print a document when the port is claimed by a scanning application. • Ensure the port is not busy. Since functional components of machine (printer and scanner) share the same I/O interface (port), the situation of simultaneous access of different user applications to the same port is possible. To avoid possible conflicts, only one of them at a time is allowed to gain control over the device. The other user will encounter "device busy" response. You should open ports configuration and select the port assigned to your machine. In the Selected port pane you can see if the port is occupied by some other application. If this is the case, you should either wait for completion of the current job or press the Release port button, if you are sure that the present application is not functioning properly. • 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. • 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 a later version of CUPS (cups-1.1.22 or higher). This is a known bug in Ghostscript (until GNU Ghostscript version 7.05) when the base color space of the document is indexed color space and it is converted through CIE color space. Because Postscript uses CIE color space for Color Matching System, you should upgrade Ghostscript on your system to at least GNU Ghostscript version 7.06 or later. You can find recent Ghostscript versions at www.ghostscript.com. CONDITION SUGGESTED SOLUTIONS Some color images come out in unexpected color. This is a known bug in Ghostscript (until GNU Ghostscript version 7.xx) when the base color space of the document is indexed RGB color space and it is converted through CIE color space. Because Postscript uses CIE color space for Color Matching System, you should upgrade Ghostscript on your system to at least GNU Ghostscript version 8.xx or later. You can find recent Ghostscript versions at www.ghostscript.com. The machine does not print whole pages and its output is half page printed. It is a known problem that occurs when a color printer is used on version 8.51 or earlier of Ghostscript, 64-bit Linux OS, and reported to bugs.ghostscript.com as Ghostscript Bug 688252. The problem is solved in AFPL Ghostscript v. 8.52 or above. Download the latest version of AFPL Ghostscript from http://sourceforge.net/projects/gho 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. Refer to Linux User's Guide that came with your computer for further information on Linux error messages. Common Macintosh problems CONDITION The machine does not print PDF files correctly. Some parts of graphics, text, or illustrations are missing. SUGGESTED SOLUTIONS Printing the PDF file as an image may enable the file to print. Turn on Print As Image from the Acrobat printing options. It will take longer to print when you print a PDF file as an image. Troubleshooting_ 93

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Troubleshooting
_ 93
Common Linux problems
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 config-
uration
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
Print-
ers configuration
and select your machine
on the printers list. Look at the description in
the
Selected printer
pane. If its status con-
tains
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. For instance, this could be
an attempt to print a document when the port
is claimed by a scanning application.
•
Ensure the port is not busy. Since functional
components of machine (printer and scanner)
share the same I/O interface (port), the situa-
tion of simultaneous access of different user
applications to the same port is possible. To
avoid possible conflicts, only one of them at a
time is allowed to gain control over the device.
The other user will encounter “device busy”
response. You should open ports configura-
tion and select the port assigned to your
machine. In the
Selected port
pane you can
see if the port is occupied by some other
application. If this is the case, you should
either wait for completion of the current job or
press the
Release port
button, if you are sure
that the present application is not functioning
properly.
•
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.
•
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 a later version
of CUPS (cups-1.1.22 or higher).
Some color images
come out all black.
This is a known bug in Ghostscript (until GNU
Ghostscript version 7.05) when the base color
space of the document is indexed color space
and it is converted through CIE color space.
Because Postscript uses CIE color space for
Color Matching System, you should upgrade
Ghostscript on your system to at least GNU
Ghostscript version 7.06 or later. You can find
recent Ghostscript versions at www.ghost-
script.com.
This is a known bug in Ghostscript (until GNU
Ghostscript version 7.xx) when the base color
space of the document is indexed RGB color
space and it is converted through CIE color
space. Because Postscript uses CIE color space
for Color Matching System, you should upgrade
Ghostscript on your system to at least GNU
Ghostscript version 8.xx or later. You can find
recent Ghostscript versions at www.ghost-
script.com.
The machine does
not print whole
pages and its output
is half page printed.
It is a known problem that occurs when a color
printer is used on version 8.51 or earlier of
Ghostscript, 64-bit Linux OS, and reported to
bugs.ghostscript.com as Ghostscript Bug
688252.
The problem is solved in AFPL Ghostscript v.
8.52 or above. Download the latest version of
AFPL Ghostscript from http://source-
forge.net/projects/gho
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 Print-
ing 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 select-
ing
Release port
in
Port configuration
window.
Refer to Linux User’s Guide that came with your computer for further
information on Linux error messages.
Common Macintosh problems
CONDITION
SUGGESTED SOLUTIONS
The machine does
not print PDF files
correctly. Some
parts of graphics,
text, or illustrations
are missing.
Printing the PDF file as an image may enable
the file to print. Turn on
Print As Image
from the
Acrobat printing options.
It will take longer to print when you print a
PDF file as an image.
CONDITION
SUGGESTED SOLUTIONS