Checklist for solving fax problems ........................................................................... 455 What type of phone line are you using? .................................................... 455 Are you using a surge-protection device? .................................................. 455 Are you using a phone company voice-messaging service or an answering machine? .............................................................................................. 456 Does your phone line have a call-waiting feature? ...................................... 456 Check fax accessory status .....................................................................................
457 General fax problems ............................................................................................ 458 Use Fax over VoIP networks .................................................................................... 459 Problems with receiving faxes ................................................................................. 460 Problems with sending faxes ................................................................................... 462 Fax error codes .................................................................................................... 464 Fax error messages on the product control panel ......................................................
464 Send-fax messages ................................................................................. 465 Service settings ..................................................................................................... 467 Receive-fax messages ............................................................................. 466 Settings in the Troubleshooting menu ........................................................ 467 Product upgrades ................................................................................................................. 468 Determine the installed revision of firmware ..............................................................
468 Perform a firmware upgrade ................................................................................... 468 Embedded Web Server ........................................................................... 468 USB storage device (Preboot menu) .......................................................... 469 USB storage device (control-panel menu) ................................................... 470 Appendix A Service and support ..................................................................................... 471 Hewlett-Packard limited warranty statement ............................................................................. 472 HP's Premium Protection Warranty:
LaserJet toner cartridge limited warranty statement ................. 474 HP policy on non-HP supplies ................................................................................................ 475 HP anticounterfeit Web site ................................................................................................... 476 Data stored on the toner cartridge .......................................................................................... 477 End User License Agreement ..................................................................................................
478 OpenSSL ............................................................................................................................. 481 Customer self-repair warranty service ..................................................................................... 482 Customer support ................................................................................................................. 483 Appendix B Product specifications ................................................................................... 485 Physical specifications ..........................................................................................................
486 Power consumption, electrical specifications, and acoustic emissions .......................................... 486 Environmental specifications .................................................................................................. 486 xx ENWW