The naming convention that you describe sounds like the default hostname for Xerox devices. By default the hostname is XRX followed by the 12-digit MAC address (combination of letters and numbers). If you're familiar with configuring the Xerox network settings configure the device hostname to something other than the default. To advise you on how to change that we'll need to know the model of Xerox that you're working with as the instructions will be different depending on the model.
Xerox Smart Start’s “Quick Install” action uses a default printer queue name which is based on the devices name. If not changed during device install, this often defaults to the type of name described by the user (typically based on MAC address in order to ensure uniqueness). One of two things can be done to address this….