Hi beckent,
Thanks for using the Support Forum. Please take a look at these solutions for power cycling from the support page for your machine and see if these will help your situation.
I have a Phaser 8500. I've tried printing the first page of a 6 page poster to it from 3 computers. They are Windows 7 and Ubuntu. It shuts down, restarts, and did this for 10-15 minutes before I pulled the power plug.