Plug and port locations ................................................................................................... 28 Locations of major assemblies ....................................................................................... 29 Switch locations .............................................................................................................. 32 Sensor locations ............................................................................................................. 33 500-sheet paper feeder accessory ................................................................................
34 Duplex unit ...................................................................................................................... 35 General timing chart ....................................................................................................... 37 Circuit diagrams .............................................................................................................. 38 Use HP Device Toolbox (Windows) ................................................................................................... 40 Internal print-quality test pages ......................................................................................................
41 Clean the paper path ....................................................................................................... 41 Print the configuration page .......................................................................................... 41 Print quality troubleshooting tools .................................................................................................. 42 Repetitive defects ruler .................................................................................................. 42 Control panel menus .........................................................................................................................
43 Setup Menu ..................................................................................................................... 43 HP Web Services ........................................................................................... 43 Reports menu ............................................................................................... 44 Self Diagnostics menu .................................................................................. 45 System Setup menu ..................................................................................... 46 Service menu ................................................................................................
49 Network Setup menu .................................................................................... 51 Quick Forms menu ........................................................................................ 52 Function specific menus ................................................................................................. 53 USB Flash Drive ............................................................................................. 53 Copy Menu .................................................................................................... 54 Scan Menu .....................................................................................................
55 Apps .............................................................................................................. 55 Interpret control panel messages .................................................................................................... 56 Control panel message types ......................................................................................... 56 Control panel messages ................................................................................................. 56 Rear door open .............................................................................................
56 49 Error, Turn off then on ............................................................................ 56 50.x Fuser Error ............................................................................................ 56 51.XX Error ................................................................................................... 57 54.XX Error ................................................................................................... 57 55.X Error ...................................................................................................... 57 57 Fan Error, Turn off then on .....................................................................
57 59.X Error ...................................................................................................... 58 79 Error Turn off then on ............................................................................. 58 Black Cartridge Low ...................................................................................... 58 vi ENWW