HP LaserJet 3015 - Manual (Page 42)

5. On the Paper tab or the Paper/Quality tab in the printer driver, select Envelope from the
Type is: drop-down list.
Note Not all device features are available for all printer drivers or operating systems. See the device
properties (driver) online Help for information about the available features for the driver.
6. Print on the envelopes.
32 Chapter 3 Printing ENWW