HP Color LaserJet Enterprise CP5525 Printer series - Manual (Page 97)

4. Make sure that the stack fits under the tabs on
the guides and does not exceed the load-level
indicators.
5. Adjust the side guides so that they lightly touch
the paper stack but do not bend it.
Load Tray 2, Tray 3, and optional Trays 4, 5, and 6 with standard-
size paper
1. Open the tray.
NOTE: Do not open the tray while it is in
use.
ENWW Load paper trays 81