Compatible/Repalcement memory upgrade for Kyocera printers: FS-1350DN , FS-1370DN, FS-2020D, FS-2020DN , FS-2100D, FS-2100DN, FS-3540MFP, FS-3640MFP, FS-3920DN, FS-4020DN, FS-4100DN, FS-4200DN, FS-4300DN, FS-6525MFP, FS-6530MFP , FS-6970DN , FS-C2026MFP, FS-C2126MFP, FS-C2526MFP, FS-C2626MFP, FS-C5100DN, FS-C5150DN, FS-C5200DN, FS-C5250MFP, FS-C5300DN , FS-C5400DN, FS-C5400DN, FS-C8520MFP, FS-C8525MFP, P2135dn, TASKalfa 265ci .