Use the HP Toolbox software ............................................................................................................. 27 View HP Toolbox ............................................................................................................... 27 Status ................................................................................................................................. 27 Fax ..................................................................................................................................... 28 Fax tasks ...........................................................................................................
28 Fax phone book ................................................................................................ 28 Fax send log ...................................................................................................... 30 Fax receive log .................................................................................................. 30 Other Links ........................................................................................................................ 30 Manage supplies ................................................................................................................................
31 Check and order supplies .................................................................................................. 31 Check supplies status by using the control panel ............................................. 31 Store supplies ................................................................................................... 32 HP policy on non-HP supplies ........................................................................... 32 HP fraud hotline ................................................................................................ 32 Recycle supplies ...............................................................................................
32 Replace supplies ............................................................................................................... 33 Print cartridge .................................................................................................... 33 Clean the product .............................................................................................................. 35 Clean the paper path ......................................................................................... 35 Clean the glass and white platen ......................................................................
35 Clean the exterior .............................................................................................. 36 Firmware updates .............................................................................................................. 36 5 Operational theory Basic operation ................................................................................................................................... 38 Sequence of operation ...................................................................................................... 39 Sequence of operation, scanner .......................................................................
39 Sequence of operation, product base ............................................................... 40 Formatter system ............................................................................................................................... 41 Central processing unit ..................................................................................................... 41 Fax card ............................................................................................................................. 41 Standard startup process ...................................................................................................
42 Product startup messages ............................................................................... 42 RAM ................................................................................................................................... 42 USB interface ..................................................................................................................... 42 Control panel ..................................................................................................................... 42 Product base functions .......................................................................................................................
43 Engine control system (engine control unit and power-supply assembly) ......................... 44 Print-engine control system ............................................................................... 44 Product base laser/scanner .............................................................................. 45 Power system on the power-supply assembly .................................................. 46 AC power distribution ....................................................................... 46 iv ENWW