The FX10 cartridge will produce approximately 2,000 pages at 5% coverage at A4. Compatibility i-SENSYS MF4270 i-SENSYS MF4330d i-SENSYS MF4320d i-SENSYS MF4120 i-SENSYS MF4018 i-SENSYS MF4010 i-SENSYS MF4150 i-SENSYS MF4140 i-SENSYS FAX-L120 i-SENSYS FAX-L140 i-SENSYS MF4340d i-SENSYS FAX-L100 i-SENSYS MF4690PL i-SENSYS MF4660PL PC-D450 PC-D440 i-SENSYS FAX-L160 i-SENSYS MF4380dn i-SENSYS MF4370dn i-SENSYS MF4350d