PREMIUM QULAITY OF EPSON GENUINE MAINTENANCE BOX TONER CARTRIDGES YIELDING . COMPATIBLE PRINTERS (IF ANY): EPSON WORKFORCE PRO WP4530,EPSON WORKFORCE PRO WP4540,EPSON WORKFORCE PRO WP4630,EPSON WORKFORCE PRO WP4590,EPSON WORKFORCE PRO WP4090,EPSON WORKFORCE PRO WP4640,EPSON WORKFORCE PRO WP5190,EPSON WORKFORCE PRO WP5690