OEM-Genuine Yellow Inkjet ...T676XL420.... Epson 676 XL.... for:...WorkForce Pro WP-4010,WP4010, WorkForce Pro WP-4020,WP4020, WorkForce Pro WP-4023,WP4023, WorkForce Pro WP-4090,WP4090, WorkForce Pro WP-4520,WP4520, WorkForce Pro WP-4530 All-in-One,WP4530, WorkForce Pro WP-4533,WP4533, WorkForce Pro WP-4540 All-in-One,WP4540, WorkForce Pro WP-4590,WP4590.... also see: T676XL120,T676XL220,T676XL320,T676XL420...