HP Color LaserJet CP6015 Series Printers - Software Technical Reference (External)

Protect Direct Ports
Use this setting to disable printing over USB and parallel ports. JetDirect, embedded network
connectivity, and third-party add-on cards, such as FireWire, will not be affected by this setting.
Figure 6-19 Protect Direct Ports screen
Click Disable Direct Ports
306 Chapter 6 Macintosh software and utilities ENWW