Look in this chapter to find answers to questions on:
Q Which is best for printing to my inkjet: RGB or CMYK?
A Your best bet is simply to try it and see. Although most inkjets use CMYK inks and may recommend using CMYK mode for printing, most people have found that they are happier with the results when printing in RGB. (Most non-Postscript printers will convert to RGB mode before printing anyway.)
Q How do I determine the correct resolution for my laser printer?
A In general, there is no “easy” formula for determining the maximum resolution required for your printer (most formulas are for commercial printers, not digital devices). ...