Reference InformationService Manual 6-2 Samsung Electronics6.2 Acronyms and AbbreviationsThe table below explains the meaning of the abbreviations and acronyms used in this service manual.ADC Analog-to-Digital-ConversionAP Access PointAC Alternating CurrentASIC Application Specific Integrated CircuitASSY AssemblyBIOS Basic Input Output SystemBLDC Motor Brushless DC MotorCLBP Color Laser Beam PrinterCMOS Complementary Metal OxideSemiconductorCMYK Cyan, Magenta, Yellow, BlackCN ConnectorCON ConnectorCPU Central Processing UnitCTD Sensor Color Toner Density SensordB DecibeldBA A-Weighted decibeldBm Decibel milliwattDC Direct CurrentDCU Diagnostic Control UnitDIMM Dual In-line Memory ModuleDPI Dot Per InchDRAM Dynamic Random Access MemoryDVM Digital VoltmeterECP Enhanced Capability PortECU Engine Control UnitEEPROM Electronically ErasableProgrammable Read Only MemoryEMI Electro Magnetic InterferenceEP Electro photographicEPP Enhanced Parallel PortF/W FirmwareFCF/FCT First Cassette Feeder/First CassetteTrayFISO Front-In, Side-OutFPOT First Print out TimeGDI Windows Graphic Device InterfaceGIF Graphic Interchange FormatGND GroundHBP Host Based PrintingHDD Hard Disk DriveHTML Hyper Text Transfer ProtocolHV High VoltageHVPS High Voltage Power SupplyI/F InterfaceI/O Input and Outputlb Pound(s)IC Integrated CircuitICC International Color ConsortiumIDE Intelligent Drive Electronics orIntegrated Drive ElectronicsIEEE Institute of Electrical and ElectronicsEngineers. IncIOT Image Output Terminal (Color printer,Copier)IPA Isopropy AlcoholIPC Inter Process CommunicationEPPEnhanced parallel PortIPM Images Per MinuteITB Image Transfer BeltLAN local area networkLBP Laser Beam PrinterLCD Liquid Crystal DisplayLED Light Emitting DiodeLSU Laser Scanning UnitMB MegabyteMHz MegahertzMPBF Mean Prints Between FailureMPF/MPT Multi Purpose Feeder/Multi PurposeTrayNIC Network Interface CardNPC Network Printer CardNVRAM Nonvolatile Random Access MemoryOPC Organic Photo ConductorPBA Printed Board AssemblyPCL Printer Command Language, PrinterControl Language