Xerox WorkCentre Pro 423 Service Manual

Also see for WorkCentre Pro 423: Scanner guide Fax guide Brochure & specs Fax guide User guide

WorkCentre 423/428 03/02 INTRODUCTION4 4 AbbreviationsWARNINGUse of controls or adjustments or performance of procedures other than those specified inthis manual may result in hazardous radiation exposure. This machine is certified tocomply with laser product performance standards set by the US department of health andhuman services as a class 1 product. This means that it is a laser product that does notemit dangerous laser radiation during any mode of customer operation. During servicing,the laser beam could cause eye damage if looked at directly. The service proceduresmust be followed exactly as written without change.4 AbbreviationsThis manual contains abbreviations that are specific to this manual, as well as generalabbreviations, which include:ADC Automatic Density Control AG Analogue GroundAUX. Auxiliary B/W Black and WhiteBCR Bias Charge Roll BTR Bias Transfer RollBUR Back Up Roll CART. CartridgeCCW Counter Clock Wise CL. ClutchCLN Cleaning (or Cleaner) CLK ClockCR Charge Roll CRU Customer Replaceable UnitCRUM CRU Monitor CW Clock WiseDB Developing Bias DTS Detack SawEP Electrophotography FDR FeederFG Frame Ground FRU Field Replaceable UnitHex Hexadecimal I/F InterfaceIBT Intermediate Belt Transfer ID Image Density (or Identification)L/H Left Hand L/P Low PaperLD Laser Diode LEF Long Edge FeedMSI Multi Sheet Inserter N/F Normal ForceN/P No Paper NVM Non Volatile MemoryO/H Option Hinge OPC Organic Photo ConductorP/H Paper Handling PCDC Pixel Count Dispense ControlPixel Picture Cell PPM Prints Per MinutePV Print Volume PWB Printed Wiring BoardR/H Right Hand REGI. RegistrationROS Raster Output Scanner RTN ReturnSEF Short Edge Feed SG Signal GroundSNR Sensor SOL. SolenoidSOS Start Of Scan SPI Scans Per InchSYNC. Synchronous T/A Take AwayTC Toner Concentration TEMP. TemperatureTR Transfer TRANS. TransportWDD Wide Range Dynamic Damper XERO. XerographicYMCBk Yellow, Magenta, Cyan, Black