Canon PIXMA MP280 On-Screen Manual - Page 278

Setting Paper Dimensions (Custom Size) Page 278 of 707 pages Advanced Guide > Printing from a Computer > Printing with Other Application Software > Various Printing Methods > Setting Paper Dimensions (Custom Size) P010 Setting Paper Dimensions (Custom Size) You can specify the height and width of paper when its size cannot be selected from the Page Size. Such a paper size is called "custom size." The procedure for specifying a custom size is as follows: You can also set a custom size in Printer Paper Size on the Quick Setup tab. 1. Set the custom size in the application software On your application's paper size feature, specify the custom size. Important When the application software that created the document has a function for specifying the height and width values, use the application software to set the values. When the application software does not have such a function or if the document does not print correctly, use the printer driver to set the values. 2. Open the printer driver setup window 3. Select the paper size Select Custom... for Page Size on the Page Setup tab. The Custom Paper Size dialog box opens.