pixel Abbreviation for “picture element,” the smallest unit of area in an image displayed on a screen.
PJL Abbreviation for “printer job language.”
PostScript A trademarked page-description language.
PPD Abbreviation for “PostScript printer description.”
printer driver A software program that a computer uses to gain access to printer features.
RAM Abbreviation for “random access memory,” a type of computer memory that stores data that can change.
raster image An image composed of dots.
render The process of producing text or graphics.
ROM Abbreviation for “read-only memory,” a type of computer memory that stores data that should not change.
supplies Materials that the printer uses and that must be replaced. The supply item for this printer is the print
cartridge.
toner The fine black or colored powder that forms the image on the printed media.
transfer unit The black plastic belt that transports media inside the printer and transfers toner from the print
cartridge onto the media.
tray The receptacle that holds blank media.
190 Glossary ENWW
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