Lexmark X543 Service Manual page 43

HVU High voltage unit
Hz Hertz
INTL International
ITC Internal Tray Card
ITU Image Transfer Unit
K Black (Key)
LAN Local area network
LASER Light amplification by stimulated emission of radiation
LCD Liquid crystal display
LCM Liquid Crystal Module
LD Laser Diode
LED Light emitting diode
LEF Long edge feed
LES Lexmark Embedded Solution (applications)
LSU Laser Scanning Unit
LV Low Voltage
LVPS Low voltage power supply
M Magenta
MB Megabyte
MDC Motor Driver Control
MFD Multifunction Device
MFP Multifunction Printer
MH Message handling
MIF Motor interface
mm Millimeter
MMR Modified modified read
MPF Multipurpose feeder
MR Modem ready
MROM Masked Read Only Memory
MS Microswitch
NAND NAND (usage: NAND gate)
NVM Nonvolatile Memory
NVRAM Nonvolatile Random Access Memory
OCF Operator correctable failure
OCR Oil coating roll
OEM Original Equipment Manufacturer
OHP Overhead projector
OPC Optical photo conductor
OPT Optical Sensor
PC Photoconductor
PDF Portable Document Format
PICS Problem isolation charts
PIN Personal identification number
PIXEL Picture element
PJL Printer Job Language
POR Power-on reset
POST Power-on self test
PPDS Personal Printer Data Stream
ppm Pages per minute
PQET Print Quality Enhancement Technology
PRC Peoples' Republic of China
PSC Parallel Synchronous Communications
PSD Position Sensing Device
PSO Participating Standards Organization
7525-xxx
General information
1-21
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