Load an original document into the ADF tray or on the scanner glass.
From the control panel, navigate to:
Copy > Settings > Scale > specify a scale value
Note: Changing the size of the original document or output after setting Scale restores the scale value to Auto.
Copy the document.
Enable the collate setting to keep every page of your printouts in order.
Learn how to make copies of your documents easily from the control panel of your printer.