Spectrophotometers; spectrometers; colorimeters; printers for use with computers; color printers; digital color printers; photo printers; ink-jet printers; laser printers; multi-function printers incorporating copying and/or scanning and/or faxing capabilities; photocopiers; thermal printers; receipt printers; label printers for computers; hand-held electronic bar code label printers; print heads for computer printers; print heads for ink-jet printers; projectors; image scanners; computer software for operating, managing and controlling projectors, scanners, printers and printing machines; computer software for operating, managing and controlling spectrometers, spectrophotometers and colorimeters; computer software for color management, color measurement, color profiling and color calibration