For the K1000:


Navigate to: Settings>Support>Troubleshooting Tools



Or, if you have organizations enabled, it will be: System>K1000 Settings>Support>Troubleshooting Tools



Once there, click on Edit Mode. Select ifconfig from the drop-down menu and click Test.



In the window that pops up, the entry by "ether" will be the MAC address.

 

 

 

For the K2000:

 

Help>Troubleshooting



Select ifconfig in the drop-down and click Test.



You may see two entries for "ether" as there may be 2 active network connections. Those are the MAC addresses.