Samsung ML-4551ND, ML-4550 manual Troubleshooting

Message	Meaning	Suggested solutions
Load	The paper size	Load the correct
[Size] In [Tray]	specified in the	paper in the tray.
	printer properties
	does not match the
	paper you are
	loading.
Load Manual	The multi-purpose	Load a sheet of print
Press Cont Key	tray is empty in	media and press OK.
	manual feed mode.	You need to press
		OK each page to be
		printed.
Low Heat Error	There is a problem	Unplug the power
Cycle Power	in the fuser unit.	cord and plug it back
		in. If the problem
		persists, please call
		for service.
LSU Motor Error	A problem has	Unplug the power
Cycle Power	occurred in the LSU	cord and plug it back
	(Laser Scanning	in. If the problem
	Unit).	persists, please call
		for service.
MP Tray	There is no paper in	Load paper in the
Paper Empty	the multi-purpose	multi-purpose tray.
	tray.	See page 5.6.
OPC is Cleaning	Your printer is	Please wait a few
	printing a cleaning	minutes.
	sheet now.
Open Heat Error	There is a problem	Unplug the power
Cycle Power	in the fuser unit.	cord and plug it back
		in. If the problem
		persists, please call
		for service.
Out-Bin Full	The output tray is	It can hold up to 250
	full.	sheets of plain paper.
		Once the paper is
		removed from the
		output tray, the
		printer resumes
		printing.
Over Heat Error	There is a problem	Unplug the power
Cycle Power	in the fuser unit.	cord and plug it back
		in. If the problem
		persists, please call
		for service.
Paper Exit Jam 1	Paper has jammed	Clear the jam. See
Open/Close Door	before reaching to	page 9.3.
	the exit sensor.

Message	Meaning	Suggested solutions
Paper Jam 0	Paper has jammed	Clear the jam. See
Open/Close Door	in the feeding area	page 9.2.
	of the tray.
Paper Jam 1	Paper has jammed	Clear the jam. See
Open/Close Door	in the fuser area.	page 9.3.
	There are toner	Clean a feed sensor.
	powders on a feed	see page 8.1.
	sensor.
Paper Jam 2	Paper has jammed	Clear the jam. See
Check Inside	in the paper exit	page 9.4.
	area.
Paper [Tray] Jam	Paper has jammed	Clear the jam. See
Open [Tray]	in the displayed	page 9.2.
	optional tray.
Printing...	The printer is	Complete your
	printing jobs.	printing.
Ready	The printer is on-line	Use your printer.
	and ready to print.
Self Diagnostic	The LSU (Laser	Please wait a few
LSU	Scanning Unit) in	minutes.
	your printer is
	checking some
	problems detected.
Self Diagnostic	The engine in your	Please wait a few
Temperature	printer is checking	minutes.
	some problems
	detected.
Sleeping...	The printer is in	When data is
	power save mode.	received, it switches
		to on-line
		automatically.
[Tray]	The displayed tray is	Close the tray until it
Cassette Out	open.	locks into place.
[Tray]	There is no paper in	Load paper in the
Paper Empty	the tray.	tray. See page 5.5.
Warming Up	Your printer is	Please wait a few
Please Wait...	warming up now.	minutes.

9.7 <Troubleshooting>