Epson T054940 Inkjet Cartridge blue for use with R800. Page Yield - 400 pages. If you want to really make the most out of your Epson printer, then it is absolutely vital that you use this Epson T0549 Blue Inkjet Cartridge. Epson specially design their ink to make sure that it works in perfect harmony with their machines to provide you with clean and clear prints. The ink is engineered not to bleed, meaning that you can be sure that lines will remain sharp and that your prints will have an eye-catching clarity to them. Whether you are printing text or graphics, this cartridge will ensure they look fantastic. With 13ml of blue ink, you can print up to 400 pages.