Extra high-capacity ink cartridges generate three times more print compared to the No. 69 cartridge in your Epson Stylus NX510, NX515; Workforce 40, 600, 610 and 615. Each No. 97 cartridge yields approximately 835 or 900 pages depending on the printer. DURABrite Ultra Inks offer superior image quality with smudge-resistance, water-resistance and fade-resistance for durable prints. Ideal for double-sided printing, DURABrite Ultra inks do not bleed through. Quick-drying design allows worry-free handling of photos. Patented SmartValve Cartridge technology with MicroPiezo Ink Level Sensors delivers reliable printing.