GLOSSARY
XEROX 4635 LASER PRINTING SYSTEM INSTALLATION PLANNING GUIDE
GLOSSARY-27
lpi
lines per inch
LPS
Laser Printing System
MTU
magnetic tape unit (refers to the 9-track magnetic tape drive; also
referred to as “magnetic tape drive”)
MICR
Magnetic Ink Character Recognition
OLI
online interface
OS
operating system
OSDS
operating system diagnostic software
OSEXEC
operating system executive
OSS
operating system software
PC
personal computer
PCC
printer carriage control
PCUI
personal computer user interface
PDL
print description language
PE
phase encoded
ppm
pages per minute
PQA
print quality adjustment
PROM
programmable read-only memory
PSC
printer subsystem controller
pt
point
PWBA
printed wiring board assembly
QIC
1/4 inch cartridge
RAM
random access memory
RIP
raster image processor