Will Voyager 1 or Voyager 2 be able to take a photo of their current view, using their cameras and send the photo to Earth? Do they have the power to do this?
From the Voyager FAQ
Bottom line, it might be able to happen, but not really. The cameras are probably damaged due to exposure to the cold of deep space, and the cameras wouldn't do much good anyways.
And the Solar System Family Portrait:
Voyager took 60 photos. This shows all of them:
According to this list of Voyager 2 photos, Voyager 2 took its last photo of Neptune on 1989-09-29: