I have exactly the same problem.
Trying to print from Autocad or Acrobat and the printing comes out of scale.
Tried scaling between 96.9~97% and it seems to get it right, but then some offset is required to get it centered.
The only way i got a close one, was printing a pdf from photoshop, scale 96,95% and center position checked.
I was expecting that by selecting Actual Size, our a scale of 100% I would get the drawing with the right dimensions.
This is quite annoying since when several drawings need to be printed, means a lot of steps to be taking in consideration.
Are there any plans to work on this issue?