What paper types are NOT compatible with double-sided printing?

The following paper types cannot be used for double-sided printing: Epson Presentation Paper Matte, Epson Photo Paper Glossy, Epson Premium Photo Paper Glossy, Epson Premium Photo Paper Semi-gloss, Epson Ultra Premium Photo Paper Glossy, Epson Premium Presentation Paper Matte, Epson Value Photo Paper Glossy, and envelopes. For supported paper types such as plain paper in Letter or A4 size, auto double-sided printing supports up to 100 sheets. (Page 52-53)