Product Detailspage yield802XL Black: Up to 2600 pages per cartridge802XL Color:Up to 1900 pages per cartridge (5% coverage)Compatible Printer Models:Work with Epson Workforce Pro WF-4720 WF-4730 WF-4734 WF-4740printerWork with Epson Workforce Pro EC-4040 EC-4030 EC-4020printerPackage Contents1 SET（1x 802XLBlack, 1x 802XLCyan, 1x 802XLYellow, 1x 802XL Magenta） Notes:The cartridges are not original OEM cartridges.Common Q&A:Q1: I bought the wrong item and want to cancel itA1: We can't cancel the order delivery, but you can contact the local logistics to refuse the package (the seller can't be contacted)Q2: The ink cartridge product is not recognized, and the printing is not clearA2: You can ask us to get the solution, common solution: Repeat the installation/cleaning of the print headIf you can't solve it, we will refund you, and you don't need to send the goods back (expensive shipping costs)Q3: Customer service working hoursA3:16:30(PM)-2:00(AM) Time difference problem