Lexmark W820 Service Manual - Page 57

4025-Finisher Earth Plate EP Cartridge Error Code ESS Exposure F- °F Face Down Tray Factory default FG FRU Fuser G- Ground H- Harness HCF High (signal) HS HVPS I- Image density Image development Image fusing Image transfer Input test Interlock IOT Electrical ground plate or ground strap A sealed assembly that houses the xerographic drum, major xerographic components, and a finite supply of dry ink. The EP Cartridge is a CRU. A unique set of letters and numbers that the printer control system displays to indicate that a problem exists in a specific area of the printer Electronic Subsystem. Synonym for the Controller PWB The action of the laser beam striking and discharging select areas of the electrically charged surface of the drum Degrees Fahrenheit. °F = (°C x 1.8) + 32 Standard output tray for the printer. Delivers paper face down. An operational value or parameter that is set at the time of equipment manufacture Frame Ground Field Replaceable Unit The printer subsystem that uses heat and pressure to permanently adhere, or fuse, a transferred toner image to a sheet of paper Electrical ground A bundle of wires that form a single unit and generally terminated with connectors at both ends High Capacity Feeder A signal voltage that is equal to or almost equal to the base voltage; such as +5VDC or +24VDC. High Speed High Voltage Power Supply The relative darkness of the toner image on a sheet of paper Toner turning the latent image into a visible image. Using heat and pressure to permanently adhere the toner image to a sheet of paper Moving the developed image from the surface of the drum to the surface of a sheet of paper Diagnostic routine that is used to test switches and sensors Interlock switch or circuit. Used as a safety measure to remove voltage from circuits whenever the printer covers are open or printer assemblies are not in position Image Output Terminal. Acronym that is sometimes used in schematic diagrams to describe the base print engine Introduction 1-45