These printers use the KX-FA136 cartridge:
Click On a Printer to View it's Cartridges
          Panasonic KX F-1110 RS
          Panasonic Panafax KX FM-205
          Panasonic Panafax KX FM-210
          Panasonic Panafax KX FM-215
          Panasonic Panafax KX FM-220
          Panasonic Panafax KX FM-230
          Panasonic Panafax KX FM-255
          Panasonic Panafax KX FM-260
          Panasonic Panafax KX FM-280
          Panasonic Panafax KX FMC 230
          Panasonic Panafax KX FP-195
          Panasonic Panafax KX FP-200
          Panasonic Panafax KX FP-245
          Panasonic Panafax KX FP-250
          Panasonic Panafax KX FP-265
          Panasonic Panafax KX FP-270
          Panasonic Panafax KX F-1810
          Panasonic Panafax KX F-1820
          Panasonic Panafax KX F-1830
          Panasonic Panafax KX FM-330
          Panasonic Panafax KX FP-300
          Panasonic Panafax KX FP-320