GLOSSARY
GLOSSARY-10 Installation Planning Guide
portrait page orientation Orientation of print lines or the top of an illustration
parallel to the short edge of the paper.
PostScript Page description language developed by Adobe
Systems, Incorporated. PostScript describes the input
(type, format, characteristics), performs the processing
functions (logical processing), and describes the output
(type, format, font selection, accounting options) of a
print job.
ppm Pages per minute.
printer Component of the DocuPrint Printing System that
accepts data from the controller and prints the document
according to the print attributes specified by the user.
The printer also provides paper stacking, collating, and
optional finishing. “DocuPrint printer” or “printer” refers to
the base printer engine (IOT) only, without the controller
and interface.
printer controller See controller.
Printer Control Language (PCL) Printer description language defined by Hewlett–Packard
Company. PCL describes the input (type, format,
characteristics), performs the processing functions
(logical processing), and describes the output (type,
format, font selection, accounting options) of a print job.
protocol Formal set of conventions governing the format of data
and the control of information exchange between two
communication devices.
queue List of documents waiting to be processed.
Random Access Memory (RAM) Volatile memory used for temporary storage of data and
software commands, used by programs for immediate
task processing.
Read-Only Memory (ROM) Solid-state memory for programs. It cannot be rewritten.
resolution The number of dots per unit. An imaging system
converts a character from digitized data into a printed
image composed of these tiny dots. The greater the
number of dots per inch (i.e., higher the resolution), the
clearer the image is produced.
short-edge feed (SEF) The movement of paper through the printer in the
direction of the paper width (the shorter side of a sheet
of paper).
simplex printing Printing on one side of the page. See also duplex
printing.
small computer system interface
(SCSI)
An accepted standard for connecting devices to
computers.
