Power indicator or display does not
illuminate.
▪ The battery is not properly installed.
▪ No power.
▪ Re-install the battery.
▪ Recharge or replace battery as necessary.
The printer has no response.
▪ The interface cable is not connected to
the interface port.
▪ The host device and printer is not
connected via the Wi-Fi network or
Bluetooth.
▪ The port specified in the Windows driver
is not correct
▪ Re-connect the interface cable or try another
interface cable.
▪ Re-configure the Wi-Fi network or Bluetooth
and connect again.
▪ Select correct port in the driver.
▪ Check your program ensuring that you enter
the PRINT command at the end of the file and
there must be CRLF at the end of each
command line.
The printer prints blank labels.
▪ The media roll is not loaded correctly.
▪ The media type is not correct.
▪ Follow the instructions to re-load the media
roll.
▪ Use thermal type paper.
“Carriage Open” appears on the display.
“Out of Paper” appears on the display.
▪ Media is used up.
▪ The media roll is not properly installed.
▪ Black mark sensor is not calibrated.
▪ Install a new media roll.
▪ Re-install the media roll.
▪ Calibrate the black mark sensor.
“Paper Jam” appears on the display.
▪ Gap sensor or black mark sensor is not
correctly configured.
▪ Media size is not correct.
▪ Labels may be stuck in the printhead
mechanism.
▪ Calibrate the black mark sensor.
▪ Check if the media in use is applicable.
▪ Check if the printhead mechanism is clear of
labels.
I cannot download files to printer’s memory
(FLASH / SD card).
▪ The FLASH memory or SD card is full.
▪ The SD card is damaged.
▪ SD card is not correctly inserted.
▪ Delete files you do not need from the FLASH
memory or SD card.
▪ Eject and insert the SD card again.
▪ Try another SD card.
▪ Check if the SD card is in supported format
and capacity.