Reconnect the power cord to the rear of the unit. Plug the power cord back into the wall outlet. Unplug the power cord from the wall outlet. With the printer turned on, disconnect the power cord from the rear of the unit.
If the copies work successfully, move on to the below steps. If the copies are also slow, try a power reset and try making copies again. Welcome to the HP Community read about the concerns you're having with your print outs being slow, when printing from your Mac running 10.10, and I wanted to reach out to try to help! Before you get started, try making a copy or two from the front of your Envy 4500.
