Oki C 9400 - Manual (Page 175)

5. In the Paper name box, type in the name for the custom paper size.
6. Select a Unit of measure, then enter the Width and Length measurements.
7. Click OK.
The new custom size will appear near the bottom of the Size drop-down list.
8. Click OK and close the Printers dialog box.
Printing Using a Custom Page Size: Windows Me PS
To print using a Custom Page Size in the Windows Me PostScript driver:
1. Open the file in your software application.
2. Load the custom size media in the Multi-Purpose Tray.
3. Make sure the straight-through exit tray is open.
4. Click File
→ Print.
The Print dialog box appears.
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