There are many types of printers primarily differentiated on the basis of working technology behind them. However, they are broadly classified into impact and non-impact printers.

An LCD uses liquid crystals that are sandwiched between two sheets of polarizing material. DLP technology uses a digital micromirror device which comprises around 2 million hinge-mounted microscopic mirrors....

LCDs work using liquid crystals placed between two polarizing filters and two transparent electrodes. DLP uses a series of mirrors placed on a chip, which work as pixels. LCDs are skinnier, consume more power...