16–MPS610c/MPS711c User’s GuideDuplex Unit ____________________This option provides automatic two-sided printing on the samerange of paper sizes as tray 2 (i.e. all cassette sizes except A6),using paper stocks from:•MPS610c: 17-32 lb. US Bond (64-120 g/m²)•MPS711c: 17-59 lb. US Bond (64-220 g/m²)
