Power subsystem .............................................................................................................................. 35 Power-on checks ............................................................................................................ 35 Tools for troubleshooting ................................................................................................................................... 36 Component diagnostics ....................................................................................................................
36 Engine-test page ............................................................................................................ 36 LCD control-panel tests .................................................................................................. 36 Touchscreen control-panel tests ................................................................................... 36 Diagrams ........................................................................................................................................... 38 Plug/jack locations .........................................................................................................
38 Locations of connectors ................................................................................................. 39 Locations of major components ..................................................................................... 41 General timing chart ....................................................................................................... 43 General circuit diagram .................................................................................................. 44 Internal print-quality test pages ......................................................................................................
45 Clean the paper path ....................................................................................................... 45 Print-quality troubleshooting tools ................................................................................................. 46 Print Configuration page ................................................................................................ 45 Repetitive image defects ruler ....................................................................................... 46 Calibrate the product ......................................................................................................
47 Control panel menus ......................................................................................................................... 48 Touchscreen control panel ............................................................................................. 48 Setup menu .................................................................................................. 48 Fax Menu ....................................................................................................... 55 Copy Menu ....................................................................................................
57 LCD control panel ............................................................................................................ 59 Interpret control-panel messages .................................................................................................... 66 Setup menu .................................................................................................. 59 Control-panel message types ........................................................................................ 66 Control-panel messages ................................................................................................
66 Clear jams ............................................................................................................................................................ 73 Solve paper feed or jam problems .................................................................................................... 73 The product does not pick up paper ............................................................................... 73 The product picks up multiple sheets of paper .............................................................. 73 Frequent or recurring paper jams ..................................................................................
73 Prevent paper jams ......................................................................................................... 74 Clear jams in the output bin .............................................................................................................. 79 Clear jams from the input tray .......................................................................................................... 75 Clear jams in the document feeder ...................................................................................................
81 Solve paper-handling problems .......................................................................................................................... 83 Solve image-quality problems ............................................................................................................................ 84 General print-quality issues ............................................................................................................. 84 ENWW vii