This is a common issue that affects documents that have been created using imperial measurement, typically U.S.

There are 2 choices for this −

Firstly check the document settings in the page setup on your PC – Open your document and select File – Page setup – Click the Paper Tab –  Here you can check the paper size settings and paper tray selection

Second is to set the Auto switch on the machine –

On the Device

Utility/Counter

Option (2) User Settings

Option (5) Printer Settings

Option (1) Basic Settings

At the bottom of the screen select A4/A3 LTR/LGR Auto Switch – Select ONOK – Close