Brother HL-4000CN, Service Manual, Page: 16 / 345

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ACRONYMS
In this manual, the manual specific acronyms are used in addition to the generally used
ones. The table below contains typical acronyms that are used throughout this manual.
ADC Automatic Density Control AG Analog Ground
AUX. Auxiliary B/W Black and White
BCR Bias Charge Roll CART. Cartridge
BUR Back Up Roll CL. Clutch
CCW Counter Clock Wise CLK Clock
CLN Cleaning (or Cleaner) CRU Customer Replaceable Unit
CR Charge Roll CW Clock Wise
CRUM CRU Monitor DTS Detack Saw
DB Developing Bias FDR Feeder
FG Frame Ground FRU Field Replaceable Unit
Hex Hexadecimal I/F Interface
IDT Intermediate Drum 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
OPC Organic Photo Conductor P/H Paper Handling
PCDC Pixel Count Dispense Control PPM Prints Per Minute
Pixel Picture Cell PWB Printed Wiring Board
PV Print Volume REGI. Registration
R/H Right Hand 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 YMCBk Yellow, Magenta, Cyan, Black
XERO. Xerographic