Samsung SCX-4300 Machine does, Scan procedure, and appropriate message box, Functioning properly

Condition	Suggested solutions
The machine does	• Check if the MFP port is not busy. Since functional
not appear on the	components of MFP (printer and scanner) share the
scanners list	same I/O interface (MFP port), the situation of
(continued).	simultaneous access of different “consumer”
	application to the same MFP port is possible. To
	avoid possible conflicts, only one of them at a time
	is allowed to gain control over the device. The
	other “consumer” will encounter “device busy”
	response. This can usually happen while starting
	scan procedure, and appropriate message box
	appears.
	• To identify the source of the problem, you should
	open MFP ports configuration and select the port
	assigned to your scanner. MFP port's symbol /dev/
	mfp0 corresponds to LP:0 designation displayed in
	the scanners’ options, /dev/mfp1 relates to LP:1
	and so on. USB ports start at /dev/mfp4, so
	scanner on USB:0 relates to /dev/mfp4
	respectively and so forth sequentially. In the
	Selected port pane you can see if the port is
	occupied by some other application. If this is the
	case, you should wait for completion of the current
	job or should press Release port button, if you are
	sure that the present port's owner is not
	functioning properly.
The machine doesn’t	• Check if a document is loaded into the machine.
scan.	• Check if your machine is connected to the
	computer. Make sure if it is connected properly if I/
	O error is reported while scanning.
	• Check if MFP port is not busy. Since functional
	components of MFP (printer and scanner) share the
	same I/O interface (MFP port), the situation of
	simultaneous access of different “consumer”
	application to the same MFP port is possible. To
	avoid possible conflicts, only one of them at a time
	is allowed to gain control over the device. The
	other “consumer” will encounter “device busy”
	response. This can usually happen while starting
	scan procedure, and appropriate message box will
	be displayed.
	To identify the source of the problem, you should
	open MFP ports configuration and select the port
	assigned to your scanner. MFP port’s symbol /dev/
	mfp0 corresponds to LP:0 designation displayed in
	the scanners’ options, /dev/mfp1 relates to LP:1
	and so on. USB ports start at /dev/mfp4, so
	scanner on USB:0 relates to /dev/mfp4
	respectively and so forth sequentially. In the
	Selected port pane you can see if the port is
	occupied by some other application. If this is the
	case, you should wait for completion of the current
	job or should press Release port button, if you are
	sure that the present port’s owner is not
	functioning properly.

Condition	Suggested solutions
I can’t print when I	• Since both Linux Printer Package and MFP driver
installed both Linux	make a symbolic link to “lpr” printing command,
Print Package (LPP)	which is commonly used on Unix clones, it is not
and MFP driver on	recommended to use both package on the same
the same machine	machine.
simultaneously.	• If you still want to use both packages
	simultaneously, please install the LPP first.
	• If you want to uninstall only one of them, please
	uninstall both packages and install that one you
	want to use again.
	• If you don’t want to uninstall MFP driver and install
	it again, you may make the necessary symbolic link
	yourself. Please, log in as root user and invoke the
	following command:
	ln -sf /usr/local/bin/samsung/slpr /usr/bin/lpr
Can’t scan via Gimp	• Check if Gimp Front-end has “Xsane:Device
Front-end.	dialog.” on the “Acquire” menu. If not, you should
	install Xsane plug-in for Gimp on the your
	computer. You can find Xsane plug-in package for
	Gimp on Linux distribution CD or Gimp home page.
	For the detail information, refer to the Help for
	Linux distribution CD or Gimp Front-end
	application.
	If you wish to use other kind of scan application,
	refer to the Help for application.
I encounter error	Please avoid changing print job parameters (via SLPR
“Unable to open MFP	utility, for example) while a print job is in progress.
port device file!”	Known versions of CUPS server break the print job
when printing a	whenever print options are changed and then try to
document.	restart the job from the beginning. Since Linux MFP
	driver locks MFP 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 MFP
	port.

9.11

Troubleshooting