QL-720NW

FAQs & Troubleshooting

What do the indicator lights mean?

The indicators light and flash to indicate the printer's status. The following symbols are used in this FAQ to explain the meaning of the different indicator colors and patterns.

or or	Indicator is lit in the color shown
or or	Indicator is flashing in the color shown
	Indicator is off

*1 : Depending on the Wi-Fi® status

*2 : Depending on the printer's status

Status Lamp	Wi-Fi Lamp	Condition	Solution
	*1	Idle mode	-
		Mass storage mode	-
		Mass storage processing mode	-
	(Once a second)	WPS setting mode	-
(Once a second)	*1	- Receiving data - Creating Printer Set-up Information data - Transferring data	-
(Once a second)	(Once a second)	Shifting to Mass storage mode	-
	*1	Cover open mode	-
	(Once a second)	Reset mode (when the mode is starting)	-
(Once every 0.6 seconds)	(Once every 0.6 seconds)	Reset mode (when reset is confirmed)	-
(Once a second)	*1	Cooling mode	Wait until the lamp stops flashing and then try printing again.
(Once every 2 seconds)	*1	Tape end error	Replace the DK roll with a new one.
		Feed error	Check that the DK roll is installed correctly. If not, remove the DK roll and reinstall it.
		No media error	Install the DK roll.
		Wrong media error	In the printer driver or P-touch Editor, specify the label width to match the one that is installed.
		Cover open error	Check that the DK Roll compartment cover is closed.
		Database search error	- There is no database with the specified number. Specify a correct number. - The search for a template with a linked database fails. Search again.
		No template error	- There is no template with the specified number. Specify a correct number. - When printing a template, the specified template does not exist. Select the correct template, and then print again.
		Access point search error	- The access point could not be found. Try connecting again. - An access point for establishing a connection could not be specified. Confirm the WPS setting environment (distance between the access point and the printer, presence of obstructions, and so on) for the access point, and then configure the WPS settings for the printer again.
		Access point connection error	If you are using two or more access points, reduce the number of access points to one, and then connect the printer again.
		Security error	Configure the wireless settings using WPS again.
(Off for 0.9 seconds and flashes twice for 0.9 seconds)	*1	Cutter error	Keep the DK roll compartment cover closed and press the ON/OFF button. The cutter moves back to the normal position and turns the machine OFF automatically. After the machine is OFF, inspect the label outlet and remove any jammed labels.
(Off for 0.9 seconds and flashes twice for 0.9 seconds)	*1	Mass storage error	The file system becomes corrupted or a file is copied while a mass storage file is being processed. Turn off the printer and then turn it on again.
(Once every 0.6 seconds)		System error	Turn off the printer and then turn it on again. If the problem still occurs, contact Brother Customer Service.
		Boot mode	Turn off the printer and then turn it on again. If the problem still occurs, contact Brother Customer Service.
*2	(Once every 3 seconds)	Wi-Fi on, not connected
*2		Wi-Fi on, connected