Samsung SCX-4100 manual List, Is not functioning properly

Problem		Possible Cause and Solution
The machine does not	• Check if the MFP port is not busy. Since functional
appear on the scanners
		components of MFP (printer and scanner) share the same
list (continued)
		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 displays.
		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 scan	•	Check if a document is loaded into the machine.

•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	8
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.

TROUBLESHOOTING 8.21