: Never use liquid or aerosol cleaners directly on the unit. Unplug the device and use a dry or slightly damp cloth.
For a complete digital copy of the manual, you can search repositories like ManualsLib or Scribd for "Panasonic KX-F90 manual". Operating Instructions (English) - Panasonic panasonic kx f90b instruktsiia
: This model generally uses thermal paper. Ensure the roll is installed correctly with the heat-sensitive side facing the thermal head. : Never use liquid or aerosol cleaners directly on the unit