Automatic 2-sided printing is available without replacing paper.
Usable paper sizes are A4, Legal, Letter, Oficio, Oficio (Brazil), Oficio (Mexico), Legal (India), Foolscap/Folio, and F4A.
When using paper of 33 to 60 lb Cover (121 to 163 g/m²) with <Heavy 3> specified, select this paper type if toner is not
fully fixed and the printouts are faded.
Select this paper type if toner is not fully fixed and the printouts are faded when the paper type is set to <Envelope>.
33 to 60 lb Cover (121 to 163 g/m²)