Epson B 310N - Manual (Page 91)

Printing with Special Layout Options 91
& See “Selecting the Correct Paper Type or Media Type” on page 28.
5. Select the appropriate Size setting.
6. Select Portrait (tall) or Landscape (wide) to change the orientation of your printout.
7. Click the Page Layout tab and select Multi-Page, then select Poster Printing. Click
the up or down arrow to select 2x1, 2x2, 3x3, or 4x4.