Samsung Troubleshooting Guide for ML-3051N and ML-3051ND Printers

Troubleshooting checklist

If the printer is not working properly, consult the following checklist. If the printer does not pass a step, follow the corresponding troubleshooting suggestions.

Condition		Suggested solutions
Make sure that the	•	If the Status LED is off, check the power
Status LED on the		cord connection. Check the power switch.
control panel lights		Check the power source by plugging the
green and Ready is		power cord into another outlet.
shown on the	•	If the Status LED lights red, check the
display.		display message. See page 9.7.
Print a demo page	•	If a demo page does not print, check the
		paper supply in the tray.
to verify that the
	•	If the paper jams in the printer, see
printer is feeding
		page 9.1.
paper correctly. See
	•	If an error message appears on the
page 2.6.
		display, see page 9.7.
Check the demo	If there is a print quality problem, see
page to see if it
	page 9.11.
printed correctly.
Print a short	•	If the page does not print, check the cable
document from a		connection between the printer and the
software application		computer.
to verify that the	•	Check the print queue or print spooler to
computer and		see if the printer has been paused.
printer are	•	Check the software application to ensure
connected and are		that you are using the proper printer driver
communicating		and communication port. If the page is
correctly.		interrupted during printing, see page 9.9.
	•	“Understanding display messages” on
		page 9.7.
If completing the	•	“Solving general printing problems” on
checklist does not		page 9.9.
resolve the printer	•	“Common Windows problems” on
problem, check the		page 9.13.
following	•	“Common Macintosh problems” on
troubleshooting		page 9.14.
sections.	•	“Common PostScript problems” on
		page 9.13.
	•	“Common Linux problems” on page 9.14.

Understanding the Status LED

Status			Description
		•	The printer is off-line and cannot print.
Off		•	The printer is in power save mode. When
			data is received, it switches to on-line
			automatically.
	On	The printer is on-line and can receive data
		from the computer.
Green		•	When the backlight blinks slowly, the printer
	Blinking		is receiving data from the computer.
		•	When the backlight blinks quickly, the printer
			is receiving and printing data.
		•	A paper jam has occurred. To solve the
			problem, see page 9.1.
		•	The front cover is open. Close the front
			cover.
		•	There is no paper in the tray. Load paper in
			the tray.
	On	• The toner cartridge installed is not a genuine
			cartridge, and you selected Stop at the
			NonGenuine Toner prompt. See page 9.7.
		•	The lifespan of the toner cartridge is
			reached, and you selected Stop at the
			Toner Exhausted prompt. See page 9.7.
		•	The printer has stopped printing due to a
			major error.
Red		•	A minor error is occurring and the printer is
			waiting for the error to be cleared. When the
			problem is cleared, the printer resumes
			printing.
		•	The toner cartridge is totally exhausted.
			Remove the old toner cartridge and install a
			new one. See page 8.3.
	Blinking	• The toner cartridge installed is not a genuine
			cartridge, and you selected Continue at the
			NonGenuine Toner prompt. See page 9.7.
		•	The lifespan of the toner cartridge is
			reached, and you selected Continue at the
			Toner Exhausted prompt. See page 9.7.
		• The toner cartridge is low. Order a new toner
			cartridge. You can temporarily improve print
			quality by redistributing the toner. See
			page 8.3.

9.6 <Troubleshooting>