Are you using a surge-protection device? .................................................. 386
Are you using a phone company voice-messaging service or an answering
machine? .............................................................................................. 387
Does your phone line have a call-waiting feature? ...................................... 387
Check fax accessory status ..................................................................................... 388
General fax problems ............................................................................................ 389
Use Fax over VoIP networks .................................................................................... 390
Problems with receiving faxes ................................................................................. 391
Problems with sending faxes ................................................................................... 393
Fax error codes .................................................................................................... 395
Fax error messages on the product control panel ...................................................... 395
Send-fax messages ................................................................................. 396
Receive-fax messages ............................................................................. 397
Service settings ..................................................................................................... 398
Settings in the Troubleshooting menu ........................................................ 398
Product upgrades ................................................................................................................. 399
Determine the installed revision of firmware .............................................................. 399
Perform a firmware upgrade ................................................................................... 399
Embedded Web Server ........................................................................... 399
USB flash drive (Preboot menu) ................................................................ 400
USB flash drive (control-panel menu) ......................................................... 401
Appendix A Service and support ..................................................................................... 403
Hewlett-Packard limited warranty statement ............................................................................. 404
HP's Premium Protection Warranty: LaserJet toner cartridge limited warranty statement ................. 406
HP policy on non-HP supplies ................................................................................................ 407
HP anticounterfeit Web site ................................................................................................... 408
Color LaserJet Fuser Kit, Transfer Kit, and Roller Kit Limited Warranty Statement ........................... 409
Data stored on the toner cartridge .......................................................................................... 410
End User License Agreement .................................................................................................. 411
OpenSSL ............................................................................................................................. 414
Customer self-repair warranty service ..................................................................................... 415
Customer support ................................................................................................................. 416
Appendix B Product specifications ................................................................................... 417
Physical specifications .......................................................................................................... 418
Power consumption, electrical specifications, and acoustic emissions .......................................... 418
Environmental specifications .................................................................................................. 418
ENWW xvii