WS4 - LED Lights Status – SATO Help Center

Problem/Question

Printer stop working, unable to print label.

LED lights error status.

Applicable To

WS408DT/TT, WS412DT/TT

Resolution/Answer

Printer Lights

There are two LED lights that show the status of your printer.

Status Lights
Status lights help you check printer’s condition. The following tables show the blinking speed of status lights and the conditions they indicate.

Symbol	Blinking Speed	Blinking Interval
**	Fast	0.5 Second
*	Slow	2 Seconds
* LED2 + *LED1	Slow	LED2 & LED1 Blinking Interval at same time
* LED2 + LED1*	Slow	LED2 & LED1 Blinking Interval at different timing

LED 2	LED 1	Description
Green	Green	The printer is ready to print.
Green	** Green	The printer is transmitting data.
* Green	* Green	In pause.
* Green	Green *	The printer is writing data to the flash or USB memory. The USB memory is being initialized.
Green	Orange	Head high temperature.
Green	* Orange	The RTC battery is low. (If the printer has a built-in RTC)
Green	** Orange	The print module is opened when the printer is turned on.
Orange	Orange	Paper jam.
** Orange	** Orange	The media is out when the print data is sent to the printer. Paper end.
** Orange	Orange **	Ribbon end or ribbon error (for thermal transfer models)
Red	Orange	The printhead is broken.
Red	* Orange	Communication error (RS-232C).
Red	** Orange	Cutter error (with optional cutter).
Red	Red	Cover (Thermal Head) open error during printing.
Red	* Red	An EEPROM for backup cannot be read or written properly. A command has been fetched from an odd address. Word data has been accessed from a place other than the boundary of the word data. Long word data has been accessed from a place other than the boundary of the long word data.
Red	** Red	Command error.
Red	Red *	Flash ROM on the CPU board error or USB memory error. An erase error has occurred when formatting the USB memory. Unable to save files due to insufficient USB memory.

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