What is the maximum loading capacity for plain paper in the rear paper feeder?

For plain paper, copy paper, and letterhead paper in Letter, Executive, Half Letter, A6, or A4 sizes, the loading capacity is 100 sheets. For larger sizes like Legal or user-defined sizes, only 1 sheet can be loaded. For Epson Presentation Paper Matte, the capacity is 80 sheets, and for photo papers, the capacity is 20 sheets. (Page 50)