To print an information page..............................................................................411 Menu map..........................................................................................................411 Configuration pages...........................................................................................412 Configuration page............................................................................412 HP Jetdirect page..............................................................................414 Finding important information on the configuration pages................415 Supplies status page..........................................................................................417 Usage page........................................................................................................418 PCL or PS font list..............................................................................................419 Diagnostics menu...............................................................................................................420 Individual component diagnostics.......................................................................................423 Paper-path-sensor test.......................................................................................423 Manual sensor test.............................................................................................424 Scanner tests.....................................................................................................425 Component test..................................................................................................425 Service menu......................................................................................................................426 Service ID...........................................................................................................................428 Restoring the Service ID....................................................................................428 Converting the service ID to an actual date.......................................................428 Troubleshooting the embedded HP Jetdirect print server..................................................429 Firmware-stack trace..........................................................................................................429 Diagrams for troubleshooting..............................................................................................................430 DC controller connections...................................................................................................430 Scanner-controller PCA connections..................................................................................432 Locations of major components..........................................................................................433 Sensors and switches........................................................................................435 Cassette sensors...............................................................................435 Sensors in the print-cartridge area....................................................436 Sensors on the reversing unit (top side)...........................................437 Sensors in the interior of the MFP.....................................................438 Output-bin detection switch, SW103.................................................439 Tray 1 paper-present sensor, PS105................................................439 Top-cover switch, SW101.................................................................440 Tray 2 jam-access-cover switch, SW105..........................................440 Motors, fans, solenoids, and clutch....................................................................441 Front-side fans...................................................................................441 Rear-side fans...................................................................................442 Rear-side motors (1 of 2)..................................................................443 Rear-side motors (2 of 2)..................................................................444 Rear-side solenoid............................................................................444 Reversing-unit motors and solenoids................................................445 Right, rear corner components (1 of 2).............................................446 Right, rear corner components (2 of 2).............................................447 Scanner and ADF components..........................................................................448 ADF output-bin-full sensor.................................................................448 ADF pickup assembly sensors..........................................................449 ADF motors, solenoid, and sensors..................................................450 General timing chart............................................................................................................451 General circuit diagrams.....................................................................................................453 xiii