1. From right corner select menu and from there Print...
2. Select Print.
3. From print window select Preferences.
4. From Basic Settings tab find 1-sided/2-sided/Booklet Printing: and select 1-sided Printing.
5. Now you can print normally.
From tab Page Setup you can choose paper size.
2-puolinen 1-puoliseksi, Mozilla Firefox
Select Print from the File section
Select Properties from the Print window
Select desired paper size from the Original Paper Size section
Unselect 2-Sided Printing from the Finishing section