Brother HL-P2000 - Manual (Page 14)

CHAPTER 1 INTRODUCCTION
1-7
Do not subject the machine to strong physical shocks or vibrations.
Do not expose the machine to open flames or salty or corrosive gasses.
Do not place objects on top of the machine.
Do not place the machine near an air conditioner.
Keep the machine horizontal when carrying it.
Do not cover the slots in the top cover.