Click Output
tabPlot
panelPlotter
Manager. At the command prompt,
enter plottermanager.
In the Plotter Manager, double-click
the plotter configuration (PC3) file you want to edit.
In the Plotter Configuration Editor,
Device and Document Settings tab, double-click User-Defined Paper
Sizes & Calibration to display the calibration and paper size
settings.
Click Custom Paper Sizes.
Under Custom Paper Sizes, select a paper
size from the list.