HP LaserJet Pro MFP M127fw - Manual (Page 24)

Tray adjustment for small paper sizes
To print on paper shorter than 185 mm (7.3 in), use the short-paper extender to modify the input tray.
1. Remove the short-paper extender tool from the
storage slot on the right side of the input area.
2. Attach the tool to the paper length guide on the
input tray.
3. Load the paper into the tray, and then adjust the
paper guides until they are snug against the
paper.
16 Chapter 2 Paper trays ENWW