S Tray 3 paper present sensor ....................................................... 265 T Tray 3 feed sensor ...................................................................... 265 U Tray 3 paper surface 1 and 2 sensors ........................................ 265 V Tray 3 paper size switches .......................................................... 265 W Tray 4 paper present sensor ...................................................... 265 X Tray 4 feed sensor ...................................................................... 265 Y Tray 4 paper surface 1 and 2 sensors ........................................
265 Z Tray 4 paper size switches .......................................................... 266 a Tray 5 paper present sensor ....................................................... 266 b Tray 5 feed sensor ....................................................................... 266 c Tray 5 paper surface 1 and 2 sensors ......................................... 266 d Tray 5 paper size switches .......................................................... 266 5V laser and 24V interlock and logic switches (and power switch) ............................................................................................
267 New ITB sensor .............................................................................. 271 Tray 3, 4, and 5 right door switch ................................................... 272 Paper-path sensors test .................................................................................. 273 Print/stop test .................................................................................................. 273 Component tests ............................................................................................. 274 Component test (special-mode test) ...............................................
274 Diagrams ......................................................................................................................... 277 Block diagrams ................................................................................................ 277 Plug/jack locations .......................................................................................... 280 Location of connectors .................................................................................... 281 DC controller connector locations ...................................................
281 Controller PCA (1 x 500-sheet and 3 x 500-sheet optional paper feeders) ......................................................................................... 283 Locations of major components ...................................................................... 284 General timing chart ........................................................................................ 294 Circuit diagrams .............................................................................................. 294 HP Easy Printer Care ......................................................................................................
298 Open the HP Easy Printer Care software ....................................................... 299 HP Easy Printer Care software sections ......................................................... 299 Internal print-quality test pages ........................................................................................ 302 Print-quality-troubleshooting pages ................................................................. 302 Diagnostics page ............................................................................................. 305 Cleaning page .................................................................................................
306 Configuration page .......................................................................................... 307 Configuration page ......................................................................... 307 HP embedded Jetdirect page ......................................................... 309 Embedded protocol page ............................................................... 310 Finding important information on the configuration pages .............. 311 Color-band test ................................................................................................
311 Print-quality troubleshooting tools .................................................................................... 312 ENWW xi