Xerox 4112 System Administration Manual page 191

Setups
1. From the Paper Tray Settings screen, select Tray 5 (Bypass) Paper Size Defaults.
2. Select the item to be set or changed, and select Change Settings.
Note
Select to display the previous screen and select to display the next screen.
3. Select the paper series.
If Custom Size is selected, go to Step 5. on page 9-34
4. Select a specific paper size.
Xerox 4112/4127 Copier/Printer 9-33
System Administration Guide