WorkCentre 423/428 03/02 INTRODUCTION
4 4 Abbreviations
WARNING
Use of controls or adjustments or performance of procedures other than those specified in
this manual may result in hazardous radiation exposure. This machine is certified to
comply with laser product performance standards set by the US department of health and
human services as a class 1 product. This means that it is a laser product that does not
emit dangerous laser radiation during any mode of customer operation. During servicing,
the laser beam could cause eye damage if looked at directly. The service procedures
must be followed exactly as written without change.
4 Abbreviations
This manual contains abbreviations that are specific to this manual, as well as general
abbreviations, which include:
ADC Automatic Density Control AG Analogue Ground
AUX.
Auxiliary
B/W Black and White
BCR Bias Charge Roll BTR Bias Transfer Roll
BUR Back Up Roll CART. Cartridge
CCW Counter Clock Wise CL. Clutch
CLN Cleaning (or Cleaner) CLK Clock
CR Charge Roll CRU Customer Replaceable Unit
CRUM CRU Monitor CW Clock Wise
DB Developing Bias DTS Detack Saw
EP Electrophotography FDR Feeder
FG Frame Ground FRU Field Replaceable Unit
Hex
Hexadecimal
I/F Interface
IBT Intermediate Belt Transfer ID Image Density (or Identification)
L/H Left Hand L/P Low Paper
LD Laser Diode LEF Long Edge Feed
MSI Multi Sheet Inserter N/F Normal Force
N/P No Paper NVM Non Volatile Memory
O/H Option Hinge OPC Organic Photo Conductor
P/H Paper Handling PCDC Pixel Count Dispense Control
Pixel Picture Cell PPM Prints Per Minute
PV Print Volume PWB Printed Wiring Board
R/H Right Hand REGI. Registration
ROS Raster Output Scanner RTN Return
SEF Short Edge Feed SG Signal Ground
SNR Sensor SOL. Solenoid
SOS Start Of Scan SPI Scans Per Inch
SYNC. Synchronous T/A Take Away
TC Toner Concentration TEMP. Temperature
TR Transfer TRANS. Transport
WDD Wide Range Dynamic Damper XERO. Xerographic
YMCBk Yellow, Magenta, Cyan, Black
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