Samsung Common Errors: LSU Error, Scanner Error, and Toner Jam Solutions for Printers

Understanding display messages

Messages appear on the Smart Panel program window or the control panel display to indicate the machine’s status or errors. Refer to the tables below to understand the messages’ meaning and correct the problem if necessary. Messages and their meanings are listed in alphabetical order.

NOTE: When you call for service, it is very convenient to tell the service representative the display message.

Display	Meaning	Suggested solutions
Door Open	The front cover	Close the cover until it locks
	or rear cover is	into place.
	not securely
	latched.
Hsync Error	A problem has	Unplug the power cord and
	occurred in the LSU	plug it back in. If the problem
	(Laser Scanning	persists, please call for service.
	Unit).
Invalid Toner	You have used an	You must use a Samsung
	unauthorized	approved cartridge.
	cartridge.
Jam 1 or Install	• The toner	• Install the Samsung genuine
Toner	cartridge is not	toner cartridge designed
	installed.	for your machine. Otherwise
	• Paper has	reinstall toner cartridge at
	jammed in the	several times. See page 2.2.
	fuser area or in	• Clean the paper jam. See
	the manual	page 9.1.
	feeder.
Low Heat Error	There is a problem	Unplug the power cord and
	in the fuser unit.	plug it back in. If the problem
		persists, please call for service.
[LSU Error]	A problem has	Unplug the power cord and
	occurred in the LSU	plug it back in. If the problem
	(Laser Scanning	persists, please call for service.
	Unit).
[No Paper]	The paper in the	Load paper in the paper input
Add Paper	paper input tray	tray. See page 2.3.
	has run out.
Open Heat Error	There is a problem	Unplug the power cord and
	in the fuser unit.	plug it back in. If the problem
		persists, please call for service.
[Over Heat]	There is a problem	Unplug the power cord and
	in the fuser unit.	plug it back in. If the problem
		persists, please call for service.

9.4

Display	Meaning	Suggested solutions
[Paper Jam 0]	Paper has jammed	Clear the jam. See page 9.1.
Open/Close	in the feeding area
	of the paper
Door
	input tray.
[Paper Jam 1]	Paper has jammed	Clear the jam. See page 9.1.
Open/Close	in the fuser area or
Door	in the manual
	feeder.
[Paper Jam 2]	Paper has jammed	Clear the jam. See page 9.2.
Check Inside	in the paper exit
	area.
Power Failure	Power has turned	The job which you were trying
	off then on and the	to do before the power failure
	machine’s memory	must be completely re-done.
	has not been back
	up.
Scanner Error	There is a problem	Unplug the power cord and
	in the scanner unit.	plug it back in. If the problem
		persists, please call for service.
Toner Empty	The toner cartridge	Replace the toner cartridge with
Replace Toner	has run out.	a new one. See page 8.4.
Toner	To prevent serious	Replace the toner cartridge with
Exhausted	pollution or	a new one. See page 8.4.
Replace Toner	breakdown of
	printer, the printer
	stops printing.
Toner Low	The toner is almost	Take out the toner cartridge
	empty.	and gently shake it. By doing
		this, you can temporarily
		reestablish printing operations.
NonSamsung	The toner cartridge	Replace the toner cartridge with
Toner Replace	is not a Samsung-	a Samsung-genuine.
Toner	genuine cartridge.

Troubleshooting