Offered here as a replacement pack, the RO2X High-Capacity Black Ink Pack from Epson is an ultra-high capacity pack designed for high-volume print jobs with the WorkForce Pro ET-8700 EcoTank All-in-One Supertank Printer. Formulated with fast-drying pigment ink, the pack delivers sharp text, bright colors, and printshop-quality results and is rated to yield approximately 10,000 pages.