If the printing is not possible, check the following:

Does the BPM (Brother Printer Management Tool) show "Head Open"?
Close the Media Compartment Cover.

Does the BPM show "Out of Paper"?

Insert the new media roll correctly into the Media Compartment.

Does the BPM show "Paper Jam"?

• Calibrate the Media Sensor (Gap Sensor (*1) / Black Mark Sensor) .
  For details, see the FAQ: "How to calibrate the Gap/Black Mark Sensor by directly operating the printer".
• Set the media size correctly.
• Clean the Print Head.
  For details, see the FAQ: "How to clean the Print Head".

Is the LED Indicator not lit?

• Clean the battery metal contacts.
• Reinstall the battery.
• Turn on the printer.
• Charge the battery.

(*1) Product specifications vary by region. For more information, see [Specification Sheet] from the [Manuals] section of this website.