cyan, magenta, and yellow are the values of ink tone in percentages. Suggested values
for color cartridge: 50 50 50,
for black cartridge: 0 0 50.
dummy parameter is not used at the moment. Use 0.
width and height defines how many dots fits on the paper you use. Using 600dpi (dot per inch) resolution and US letter paper (8.5 inches wide) set the width to 5100 (600 * 8.5).
Width and height for some standard paper sizes:
ISO A4: 4958 7017
ISO B5: 4175 5907
US letter: 5100 6600
US legal: 5100 8400
This version of driver has the following known problems:
Does not support gray scale printing. It means that if you set the tone of cyan and magenta to zero, as it is suggested for black cartridge, originally non-empty areas may look empty on printer output.