Why multiple graylevel?

  • The incremental costs are small - changes are localized in the heads and drive electronics
  • The image quality increase is large
  • Total ink usage is the same
  • The added pixel depth can be used to enhance perceived resolution through anti-aliasing
  • It understandably produces better photos as it is inherently closer to continuous tone than is bi-level

Resolution (Dpi)

from www.Imaging.org