286 Glossary
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.
ppm (pages per minute)
The number of pages that can be printed in one minute.
printer driver
Software that sends instructions to the printer to tell it what to do. For example,
your printer driver accepts print data from your word processor application and
sends instructions to the printer on how to print this data.
proportional font
A font whose characters have varying amounts of horizontal space depending
on the width of the character. Thus the uppercase M takes up more horizontal
space than the lowercase l.
RAM
Random Access Memory. The portion of the printer’s memory used as a buffer
and for storing user-defined characters. All data stored in RAM is lost when the
printer is turned off.
reset
To refresh the printer’s memory and erase the current print jobs.
resolution
A measure of the fineness and clarity of images produced by the printer or
monitor. Printer resolution is measured in dots per inch. Monitor resolution is
measured in pixels.
RITech
Resolution Improvement Technology. A feature that smooths the jagged edges
of printed lines or shapes.
serif
The small decorative strokes that come off the main lines of a character.
sRGB
A standard default red green blue (RGB) color space that is device independent.
status sheet
A report that lists the printer settings and other printer information.
toner
The colored powder contained in the toner cartridges that is used to print images
on the paper.
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