HP JetDirect 170X Installation And Configuration Manual page 27

EtherTalk or LocalTalk Networks (Mac OS) (For J4101B only)
If you are installing the HP LaserJet Utility from a
source other than the CD-ROM, see the README file
that accompanies the software for installation
instructions.
Automatic virus detection programs might interfere
with the installation of this software. Turn off any
such programs that are active on your Mac OS
computer before proceeding with the installation
process.
HP Installer