In building on the advances introduced with the the Epson UltraChrome K3 ink with vivid magenta, Epson has engineered the UltraChrome HDR (High Dynamic Range) pigment ink technology. While still retaining its key features, such as three-level black ink for superb grey balance, and smooth tonal gradations from shadow to highlight, UltraChrome HDR comprises several important innovations that contribute to dramatically enhanced print and color quality.