Samsung SCX-4520S manual Clear the jam. See Cartridge Fuser area, LSU Error Problem has occurred

Display	Meaning	Suggested solutions
[Incompatible]	The remote machine did	Reconfirm the remote machine’s
(only for the SCX-	not have the requested	features.
4720F/4720FS)	feature, such as a
	delayed transmission.
	This message also occurs
	if the remote machine
	does not have enough
	memory space to
	complete the operation
	you are attempting.
[Jam 1] or [No	Paper has jammed in the	Clear the jam. See page 9.7.
Cartridge]	fuser area.	Or, install the toner cartridge. See
	Or, the toner cartridge is	page 2.5.
	not installed.
[Line Busy]	The receiving party did	Try again after a few minutes.
(only for the SCX-	not answer or the line is
4720F/4720FS)	already engaged.
[Line Error]	Your machine cannot	Try again. If the problem persists,
(only for the SCX-	connect with the remote	wait an hour or so for the line to
4720F/4720FS)	machine or has lost	clear and try again.
	contact because of a	Or, turn the ECM mode on. See
	problem with the phone	page 7.40.
	line.
Load Document	You have attempted to	Load a document into the ADF and
	set up a copy or fax	try again.
	operation with no
	document loaded into the
	ADF.
[LSU Error]	A problem has occurred	Unplug the power cord and plug it
	in the LSU (Laser	back in. If the problem persists,
	Scanning Unit).	please call for service.
			9
Memory Full	The memory is full.	Delete unnecessary documents
(only for the SCX-		and retransmit after more
4720F/4720FS)		memory becomes available.
		Alternatively, split the
		transmission into more than one
		operation.
MP Tray Jam	A paper jam has	Clear the jam. See page 9.10.
	occurred in the	Or, load paper in the Multipurpose
	Multipurpose tray.	tray correctly. See page 3.6.
	Or, the machine detects
	improper feeding from
	the Multipurpose tray.

TROUBLESHOOTING 9.13