
72 Chapter 3 Computer Hardware
Laser printers have resolutions of 600 to 2400 dpi. Common print speeds range from
20 to 45 ppm. Laser printers are very popular in offices with large black and white print
jobs where quality and speed are imperative. For years, inkjet printers held the advan-
tage of color over a standard laser printer. Color laser technology is now delivering high
quality color output at reasonable costs.
Color laser printers add cyan, magenta, and yellow toners to traditional black.
Applying additional toners slows printing speeds. The laser scans each color separately
to the OPC drum making a separate pass of the