Premium T676XL320 (Epson 676XL) High Yield Magenta Inkjet Cartridge fully compatible with the Epson WorkForce Pro WP-4010, WP-4020, WP-4023, WP-4090, WP-4520, WP-4530, WP-4533, WP-4540, WP-4590. The use of compatible supplies does not void your printer warranty.