Compatible with ImagePROGRAF PRO-310 Printers. The LUCIA PRO II ink system provides a broad color gamut and improved gloss uniformity for superb glossiness and anti-bronzing. WIDE COLOR GAMUT FOR EXCEPTIONAL IMAGE CLARITY: The LUCIA PRO II ink system helps you achieve an improvement in color-reproduction, image clarity, and enhanced darker areas. It faithfully reproduces colors and dark areas crucial for printing works of art. Don’t be fooled by imposters - look for the Canon logo on all ink packaging to ensure you’re buying Genuine Canon Ink for outstanding quality and performance you can rely on.