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Change the paper size and type with Mac
1.
On the File menu in the software program, click the Print option.
2.
In the Copies & Pages menu, click the Page Setup button.
3.
Select a size from the Paper Size drop-down list, and then click the OK button.
4.
Open the Finishing menu.
5.
Select a type from the Media-type drop-down list.
6.
Click the Print button.