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