white paper HP Monochrome LaserJet AIO Printers - Fax data computer and network security features Security Level: Public Date Written/Updated: April 21, 2008 Document Summary Summary of the fax data computer and network security features for the LJ3050, 3055, 3390 & 3392 AIO product. Fax data computer and network security featuresThe HP Monochrome LaserJet all-in-one can send and receive fax data over telephone lines that conform to public switch telephone network (PSTN) standards. The secure fax protocols make it impossible for computer viruses to be transferred from the telephone line to a computer or network. The following all-in-one features prevent virus transmission: · · · No direct connection exists between the fax line and any devices that are connected to the USB or Ethernet ports. The internal firmware cannot be modified through the fax connection. All fax communications go through the fax subsystem, which does not use Internet dataexchange protocols. Product Models: LJ3050, LJ3055, LJ3390, LJ3392; LJm1522n, LJ1522nf, LJm2727nf, LJm2727nfs Product Numbers: Q6504A, Q6503A, Q6500A, Q6501A, CC372A, CB534A, CB532A, CB533A Document Attributes Page 1 of 1 white paper ...