Samsung SCX-4521F Low Heat Error, Unplug the power cord, Open Heat Error, Service, Only for SCX

Display	Meaning	Suggested solutions
Low Heat Error	There is a problem in	Unplug the power cord and
	the fuser unit.	plug it back in. If the problem
Open Heat Error
		persists, please call for
		service.
[Over Heat]
Group Not	You have tried to	Use a speed dial number or
Available	select a group location	dial a number manually using
(only for SCX-	number where only a	the number keypad.
4521F)	single location
	number can be used,
	such as when adding
	locations for a
	broadcast operation.
[Incompatible]	The remote machine	Reconfirm the remote
(only for SCX-	did not have the	machine’s features.
4521F)	requested 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.
[Line Busy]	The receiving party	Try again after a few minutes.
(only for SCX-	did not answer or the
4521F)	line is already
	engaged.
[Line Error]	Your machine cannot	Try again. If the problem
(only for SCX-	connect with the	persists, wait an hour or so
4521F)	remote machine or	for the line to clear and try
	has lost contact	again.
	because of a problem	Or, turn the ECM mode on.
	with the phone line.	See “ECM Mode (Error
		Correction Mode)” on
		page 7.14.
Load Document	You have attempted	Load a document into the ADF
	to set up a copy or fax	and try again.
	operation with no
	document loaded into
	the ADF.
[LSU Error]	A problem has	Unplug the power cord and
	occurred in the LSU	plug it back in. If the problem
	(Laser Scanning Unit).	persists, please call for
		service.
Memory Dial Full	The fax jobs queue in	Cancel unnecessary fax jobs
(only for SCX-	the memory is full.	in the memory.
4521F)

Display	Meaning	Suggested solutions
Memory Full	The memory is full.	Delete unnecessary
(only for SCX-		documents and retransmit
4521F)		after more memory becomes
		available. Alternatively, split
		the transmission into more
		than one operation.
[No Answer]	The receiving fax	Try again. Make sure that the
(only for SCX-	machine has not	receiving machine is
4521F)	answered after	operational.
	several redial
	attempts.
[No Cartridge]	The toner cartridge is	Install the toner cartridge.
	not installed.	See “Installing the Toner
		Cartridge” on page 2.2.
Not Assigned	• The speed dial	• Dial the number manually
(only for SCX-	location you tried to	using the number keypad or
4521F)	use has no number	assign the number. For
	assigned to it.	storing a number, see
		“Automatic Dialing” on
		page 7.8.
	• The ID you entered	• Enter the correct ID. .
	is not assigned.
[No Paper]	The paper in the tray	Load paper in the tray. See
Add Paper	has run out.	“Loading Paper” on page 2.3.
Operation	You are doing the	Check the display to see if
Not Assigned	Add/Cancel operation,	there are any scheduled jobs.
(only for SCX-	but there are no jobs	The display should indicate
4521F)	waiting.	them in Standby mode; for
		example, Delay Fax.
Out of Range	The current date and	Enter the correct date and
	time you entered is	time.
	not correct.
[Paper Jam 0]	Paper has jammed in	Clear the jam. See “In the
Open/Close Door	the feeding area of	Tray” on page 9.2.
	the tray.
[Paper Jam 1]	Paper has jammed in	Clear the jam. See “In the
Open/Close Door	the fuser area or	Fuser Area or Around the
	around the toner	Toner Cartridge” on page 9.3.
	cartridge.
[Paper Jam 2]	Paper has jammed in	Clear the jam. See “In the
Check Inside	the paper exit area.	Paper Exit Area” on page 9.3.
[Power Failure]	Power has turned off	The job which you were trying
	then on and the	to do before the power failure
	machine’s memory	must be completely re-done.
	has not been saved.

9.5 Troubleshooting