HP LaserJet Enterprise M631 - Loading Paper into Tray 1

Load paper to Tray 1 (multipurpose tray)
The following information describes how to load paper in Tray 1.
CAUTION: To avoid jams, never add or remove paper from Tray 1 during printing.
1. Open Tray 1.
2. Pull out the tray extension to support the paper.
ENWW Load paper to Tray 1 (multipurpose tray) 21