Epson AcuLaser CX37DN Series User Manual page 107

4. Load the paper face up in the tray.
Note:
Do not load above the d mark. Up to 500 sheets (80 g/m² [22 lb]) of plain paper can be loaded into the
tray at one time.
5. Slide the media guides against the edges of the paper.
Epson AcuLaser CX37 Series Printer/Copier/Scanner User's Guide
Media Handling 107