HP Color LaserJet Enterprise CP4525 Printer series - Manual (Page 107)

4. Close the tray.
5. The control panel shows the tray’s paper type
and size. If the configuration is not correct,
follow the instructions on the control panel to
change the size or type.
Load Tray 2 and optional Trays 3, 4, and 5 with custom-size paper
1. Open the tray.
2. Adjust the paper-length and paper-width
guides by squeezing the adjustment latches
and sliding the guides to the size of the paper
being used.
ENWW Load paper trays 93