HP LaserJet Pro M521 Multifunction Printer series - Manual (Page 75)

Select the paper type (Windows)
1. From the software program, select the Print
option.
2. Select the product, and then click the
Properties or Preferences button.
3. Click the Paper/Quality tab.
4. From the Paper type drop-down list, click the
More... option.
ENWW Print tasks (Windows) 61