Note: Changes you make to options on this tab apply to the current page only.
Printer paper
Paper size
Lists the paper sizes supported by the current printer as well as industry standard sizes. You can select Same as printer paper size on the Page Size tab to make changes to the paper size also apply to the drawing page size.
You can preview to make sure the drawing page and printer paper work together the way you want. How do I print preview in Visio?
Paper orientation
Specifies the paper orientation as portrait 
You can preview to see if your drawing page and printer paper work together the way you want. How do I print preview in Visio?
Setup
Opens the Print Setup dialog box, where you can select printing options such as the margins, centering, printer, and paper source.
Print zoom
Adjust to
Reduces or enlarges the contents of the drawing to a specified percentage of actual size for printing only; your actual drawing page size is unchanged. For example, to reduce a drawing to three quarters of its original size, type 75.
Fit to (sheets across or sheets down)
Fits each drawing in the print job on the specified number of sheets across and down. Depending on the number of pages and the margins you specify, the drawing is enlarged or reduced. If the pages across and down are not proportional to the drawing's dimensions, only those sheets needed to maintain the drawing's proportions are used.
Gridlines
Prints the gridlines you see in the drawing window.
Preview
Displays a thumbnail of how the printer paper and drawing page are currently set to work together.
Printer paper
Lists the current printer paper settings, including paper size and paper orientation.
Drawing page
Lists the current drawing page settings, including page size and page orientation. You can change these options on the Page Size tab.
Print zoom
Lists any reduction or enlargement that you specify. Change this setting under Print zoom (all pages).
This option only affects your printout; your actual drawing size is unchanged. Note that when you reduce or enlarge a scaled drawing, you cannot use the printout to measure real-world objects accurately.
