- Several of the dithering functions do not work at this point in time.
  We are changing them and resolving issues with inconsistancies between
  them i.e. magic square or ordered square dithers will produce black output.

- Some of the devices may require modifications to the page size and printable
  areas.

- Some of the devices may require modifications to the color correction data.

- Additional work to be done on the color and dithering implementation.

- Gamma values may need to be tweaked for some of the Epson Photo devices such
  as the 870 and 1270.
