Set a custom paper size (Mac OS 9.x)
Instructions to set a custom paper size in Mac OS 9.x. You can choose non-standard paper sizes for printing tasks by specifying custom sizes in inches or millimeters. Up to three custom paper size settings can be saved.
- Select 'Page Setup...' from the File menu.

- Select either of 'Custom (1 - 3)' from Paper Size, then click 'Custom...'

- Enter the desired settings. Click here for more information.
Note: When the paper source is set to Cassette, documents with paper size outside the range of 5.00 - 11.69 inches (127.0 - 297.0 mm) lengthways or 3.51 - 8.50 inches (89.0 - 215.9 mm) sideways cannot be printed.
- Check Save Settings to save the settings in the Page Setup dialog box.
Entering custom paper size:

- Enter the custom paper size name you would like to save in Media.
- Select either 'mm' or 'inches' from Unit.
- Enter values in 'Height' and 'Width' under Paper Size.
Note: The allowable sizes are 3.58-23.00 in (91.0-584.2 mm) lengthways and 2.17-8.50 in (55.0-215.9 mm) sideways.
- Click 'Apply' to register the custom paper size under the specified name.
Click here to return to step three.