These printers use the KXFAT92 cartridge:

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