These printers use the UG-3313 cartridge:
Panasonic DF 1100
Panasonic DX 1000
Panasonic DX 2000
Panasonic KX-P 8350
Panasonic KX-P 8700
Panasonic KX-P 8710
Panasonic KX-P 8770
Panasonic KX-P 8800
Panasonic KX-P 8880
Panasonic KX-P 8885
Panasonic PanaFax DF-1100
Panasonic PanaFax DF-1100 MFP
Panasonic PanaFax DX-1000
Panasonic PanaFax DX-2000
Panasonic PanaFax DX-2000 MFP
Panasonic PanaFax UF-550
Panasonic PanaFax UF-550 MFP
Panasonic PanaFax UF-560
Panasonic PanaFax UF-560 MFP
Panasonic PanaFax UF-770
Panasonic PanaFax UF-770 F
Panasonic PanaFax UF-770 I
Panasonic PanaFax UF-770 MFP
Panasonic PanaFax UF-880
Panasonic PanaFax UF-880 MFP
Panasonic PanaFax UF-885
Panasonic PanaFax UF-889
Panasonic PanaFax UF-889 MFP
Panasonic PanaFax UF-895
Panasonic PanaFax UF-895 MFP
Panasonic SP 100
Panasonic UF 550
Panasonic UF 560
Panasonic UF 770
Panasonic UF 770 I
Panasonic UF 880
Panasonic UF 885
Panasonic UF 895
Siemens Fax 960