table of contents printer overview .................................................................................................................... 4-7 how the printer works ......................................................................................................... 4-7 writing systems ...................................................................................................................... 4-9 color control ...................................................................................................................... 4-9 resolution enhancements .....................................................................................................
4-9 printer interfaces.................................................................................................................. 4-10 Universal Serial Bus (USB) interface.................................................................................... 4-10 IEEE 1284-B parallel Centronics interface ........................................................................... 4-10 hp EIO Interface............................................................................................................... 4-10 paper path..........................................................................................................................
4-12 pick and separation system ............................................................................................... 4-12 converger system.............................................................................................................. 4-12 linefeed system................................................................................................................. 4-12 output system ................................................................................................................... 4-13 ink supply station.................................................................................................................
4-14 supplying ink to the printheads........................................................................................... 4-14 collecting excess ink ......................................................................................................... 4-14 carriage system ................................................................................................................... 4-15 driving printheads across the page..................................................................................... 4-15 service station .....................................................................................................................
4-16 spitting ink....................................................................................................................... 4-16 wiping printheads ............................................................................................................ 4-16 capping printheads .......................................................................................................... 4-16 duplexer vs. simplexer.......................................................................................................... 4-17 managing output of paper.................................................................................................
4-17 providing access to paper jams ......................................................................................... 4-17 duplexing printed pages ................................................................................................... 4-17 Tray 3 ................................................................................................................................ 4-18 extending media capacity ................................................................................................. 4-18 power supply ......................................................................................................................
4-19 providing power to printer components............................................................................... 4-19 electronics .......................................................................................................................... 4-20 formatter PCA ..................................................................................................................... 4-22 communicating with the computer ...................................................................................... 4-22 processing PCL or PS commands........................................................................................
4-22 controlling EIO devices ..................................................................................................... 4-22 main logic PCA ................................................................................................................... 4-23 writing system and marking engine .................................................................................... 4-23 printer internal logic ......................................................................................................... 4-23 sensors ...............................................................................................................................
4-24 vacuum system .................................................................................................................... 4-26 holding the page flat during printing .................................................................................. 4-26 aerosol system..................................................................................................................... 4-27 removing fine particles from the printzone........................................................................... 4-27 post-heater system................................................................................................................
4-28 drying the page before ejection ......................................................................................... 4-28 LCD messages..................................................................................................................... 4-29 4-2 hp restricted support