i am running LDC 2008 and frequently print to 18x24 paper with .5" border top, right, and bottom with 1.5" on the left. however, while the plotter maintains 1.5" to the left and .5" to the right, it consistently adds .5" to the top and bottom of the paper making the result 19x24. but this only happens in AutoCad. i can print to pdf and no problems. any thoughts?