This printhead is a replacement part compatible with ET-2500, ET-2550, ET-2650, ET-2700, ET-2800, ET-4500, ET-4550, and ET-4800 printers.It is designed to replace the L3110 printhead and is identified by part numbers FA04000 and FA04010.The printhead supports standard ink systems used in these models and restores printing functionality when installed correctly.It fits a wide range of printer models including L110, L111, L120, L210, L211, L220, L222, L130, L132, L300, L301, L303, L310, L335, L350, L351, L353, L355, L358, L360, L362, L364, L365, L366, L375, L380, L382, L383, L385, L386, L381, L395, L396, L400, L401, L405, L455, L475, L480, L485, L486, L495, L541, L550, L551, L555, L565, L566, L575, L576, L577, L578, L579, L1110, L1118, L1119, L3100, L3106, L3108, L3110, L3115, L3116, L3117, L3118, L3119, L3150, L3151, L3153, L3156, L3158, L3166, L3168, L3180, L4150, L4151, L4153, L4156, L4158, L4160, L4163, L4165, L4166, L4167, L4168, L4169, L4260, L5190, XP235, XP240, XP241, XP245, XP247, XP300, XP302, XP303, XP305, XP306, XP310, XP312, XP313, XP315, XP330, XP332, XP335, XP340, XP342, XP345, XP352, XP400, XP401, XP402, XP403, XP405, XP406, XP410, XP411, XP412, XP413, XP415, XP422, XP424, XP430, XP432, XP435, XP440, XP442, XP445, XP446, XP452, WF-2010, WF-2510, WF-2520, WF-2521, WF-2530, WF-2531, WF-2540, WF-2541, WF-2630, WF-2640, WF-2650, and WF-2660. Compatibility Statement: This is a third-party replacement.Brand/model references serve only as compatibility indicators.