Premium T212xl320 (Epson T212XL) Magenta Inkjet fully compatible with the Epson WorkForce WF-2830, WorkForce WF-2850, Expression Home XP-4100, Expression Home XP-4107. The use of compatible supplies does not void your printer warranty. (T212xl320, Epson T212XL, EpsonT212XL, 212XL)