Registering Custom Paper Sizes
You can register a desired paper size as "Custom Papers" and use it for printing.
Registered "Custom Papers" can also be used when printing from another device.
1.
In the [Print] dialog, select [Manage Custom Sizes] from the [Paper Size] pop-up menu.
2.
Click [+] at the bottom of the displayed dialog.
3.
Configure detailed settings such as the name, dimensions, etc. of "Custom Papers" → click [OK].