HP LaserJet Pro M521 Multifunction Printer series - Manual (Page 65)

Automatically print on both sides (Windows)
The product supports the following paper sizes for automatic duplex printing:
● Letter
● Legal
● A4
● 8.5 x 13
The product supports the following paper types for automatic duplex printing:
● Unspecified
● Plain
● HP EcoSMART Lite
● Light 60–74 g
● Midweight 96–110 g
● Letterhead
● Preprinted
● Prepunched
● Colored
● Bond
● Recycled
For other paper types or sizes, use manual duplex printing.
1. From the software program, select the Print
option.
2. Select the product, and then click the
Properties or Preferences button.
ENWW Print tasks (Windows) 51