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halftone
A
grayscale image that is composed of small dots. The dots can be close
together to create black or more widely spaced to create gray or white
areas in the image. Newspaper photographs are common examples of
halftones.
interface
The connection between the printer and the computer.
landscape
Printing that is oriented sideways on the page. This orientation gives you
a page that is wider than it is high and is useful for printing spreadsheets.
memory
The part of the printer's electronic system that is used to store
information. Some information is fixed and is used to control how the
printer operates. Information that is sent to the printer from the computer
(such as downloaded fonts) is stored temporarily.
orientation
Refers to the direction in which characters are printed on a page. This
direction is either portrait with the text printed across the width of the
page, or landscape with the text printed across the length of the page.
PCL 5
The command
point size
The height of a particular font as measured from the top of the tallest
character to the bottom of the lowest. A point is a typographic unit of
measure equivalent to 1/72 of an inch.
portrait
Printing that is oriented upright on the page (as opposed to landscape, in
which printing is oriented sideways on the page). This is the standard
orientation for printing letters or documents.
printer driver
driver.
See
printer emulation
A set of operating commands that determines how data sent from the
computer is interpreted and acted upon. Printer emulations replicate
existing printers, such as the HP LaserJet III.
r e s e t
To refresh the printer's memory and erase the current print jobs, and reset
printer settings to the factory defaults.
2 Glossary
language
built into the Hewlett-Packard LaserJet III.
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