These replacement toner cartridges are compatible with the following models:
FaxPhone - L75, L80
LaserCLASS - L4000, L4500
NXT is a premium manufacturer of replacement toners; you will always get OEM quality, better prices, and a lifetime warranty! -- This offer is for (1) premium replacement laserjet toner cartridge for the Canon FX-3, also known as the Canon FX-3 (1557A002). These are engineered specifically for the above-mentioned models.