a) Replacement for C9344 or C12C934461 Ink Maintenance Box, C9344 Waste Ink Box , With New Chips. b) Compatible with Expression Home XP-3100 , XP-4100 , XP-4101 , XP-4105 , XP4100 , XP4105 ,XP3100, XP4100 Printers ; Eco Tank L3550 L3556 L3560 L5590 Printers c) Compatible with WorkForce WF-2930, WF-2950 , WF-2810DWF, WF-2830 ,WF-2830DWF , WF-2850 , WF-2850DWF ,WF-2851 ,WF2930 ,WF2950 ,WF2830 ,WF2850 ,WF2810 Printers d) Include 1 piece C9344 ink Maintenance Kit. Keep your WorkForce printer have a fluent, stable and superb printing performance. e) Replace C9344 maintenance cartridge when your WorkForce printer