HP Color LaserJet Enterprise CP5525 Printer series - Manual (Page 104)

Paper orientation for loading Tray 2, Tray 3, or optional Trays 4, 5, and 6
Paper type Image orientation Duplex mode How to load paper
Preprinted or letterhead Portrait 1-sided printing Face up
Top edge at the back of the tray
Automatic 2-sided printing Face down
Top edge at the back of the tray
Landscape 1-sided printing Face up
Top edge toward the right side of the tray
Automatic 2-sided printing Face down
Top edge toward the right side of the tray
88 Chapter 6 Paper and print media ENWW