These printers use the KXFAT92 cartridge:
Click On a Printer to View it's Cartridges
          Panasonic KX MB-228
          Panasonic KX MB-238
          Panasonic KX MB-258
          Panasonic KX MB-262
          Panasonic KX MB-271
          Panasonic KX MB-271 MFP
          Panasonic KX MB-763
          Panasonic KX MB-771
          Panasonic KX MB-772
          Panasonic KX MB-778
          Panasonic KX MB-781
          Panasonic KX MB-781 MFP
          Panasonic KX MB-788