Manual sensor tests ................................................................................ 108 Cartridge door switch (SW3) .................................................... 110 Left door switch (SW1) ............................................................. 111 Right door sensor (SR8) ............................................................ 112 Cartridge install sensor (SR1) .................................................... 113 Top (top-of-page) sensor (SR9) .................................................. 114 Fuser loop sensor (SR6) ............................................................
115 Fuser output sensor (SR12) ....................................................... 116 Duplex switchback sensor (SR1) ................................................ 117 Duplexer refeed sensor (SR2) .................................................... 118 Tray 4 feed sensor (SR1) .......................................................... 119 Output sensor (SR3) ................................................................. 120 Tray/bin manual sensor tests ................................................................... 121 Main product trays ..................................................................
123 Optional 500-sheet paper tray (Tray 4) ...................................... 131 1x500 and 3x500 paper deck trays ......................................... 136 HCI trays ................................................................................ 138 Print/stop test ........................................................................................ 144 Component tests ..................................................................................... 145 Control-panel tests ................................................................... 145 Half self-test ............................................................................
145 Drum rotation test check ........................................................... 146 Component test (special-mode test) ............................................ 146 Diagrams ............................................................................................................. 148 Block diagrams ...................................................................................... 148 Location of connectors ............................................................................ 153 DC controller connections ......................................................... 153 Plug/jack locations .................................................................................
155 Locations of major components ................................................................ 156 General timing charts ............................................................................. 171 Circuit diagrams .................................................................................... 172 Internal test pages ................................................................................................. 174 Clean the paper path ............................................................................. 174 Set up an auto cleaning page ...................................................
174 Print a configuration page ....................................................................... 175 Configuration page ................................................................. 175 HP embedded Jetdirect page .................................................... 176 Finding important information on the configuration pages ............ 177 Control panel menus .............................................................................................. 178 Administration menu ............................................................................... 178 Reports menu .......................................................................... 178 ENWW ix