Xerox 4235, Руководство по планированию установки

Страница: 139 / 148

GLOSSARY
XEROX 4235 LPS INSTALLATION PLANNING GUIDE GLOSSARY–7
page end Instruction (for example, form feed) to terminate the current
page.
paper jam When paper gets stuck somewhere along the paper path.
paper source
One of four paper input trays.
parallel and serial ports Two interface connectors located on the lower part of the back
panel of the 4235 LPS to which the computer cable attaches.
parallel interface Type of interface between a printer and its host in which data is
transmitted and received in bytes rather than bits. Used for local
printing over short distances (25 feet, 7.63 meters, or less).
parity bit
Extra bit used to make sure that data has been transmitted
accurately by providing a receiving device with means of
checking odd or even parity.
parity checking Automatic error detection process that the printer and the host
computer system use to check parity bits along with the
numerical bits.
Pass Through mode
Used in XDPM. Allows the data to be printed by the 4235 LPS
without interference from the 3777 emulation software.
password
Unique word or set of characters that an operator or user must
supply to log on to a system.
PDL
print description language. Keyword language that defines the
commands required to process an application on a Xerox LPS.
photoreceptor
Photoreceptor or print drum found in the replaceable print
cartridge and used to form letter or line images on documents.
physical jobs
Print job that occupies a single file on the printer. A physical
job can contain one or more logical jobs.
ppm
pages per minute
print cartridge Print (photoreceptor) cartridge contains a photosensitive "print
drum" used in the printing process. The cartridge is disposable.
printer driver Program resident in the host computer system that enables the
host computer system to communicate formatting and job
control information to the printer.
PU
physical unit. In SNA, software that provides services to
manage and monitor the resources of a device.
purge
To delete data from a system.
query Request for data or other information, entered by an operator
while the system is processing.
queue Sequence of documents waiting to be processed.
remote access
Access to a central computer by terminals or devices
geographically separated from that computer.
reset
Restore the printer to its default configurations. This may be
performed at the printer control panel or remotely by command.