US Patent 11299364 Paddle roller rotations

In an example printing device may include a tray to receive print media sheets, and a paddle roller to rotate about an axis and move individual print media sheets of the print media sheets to abut an end register of the tray and form a stack of print media sheets, and the paddle roller rotate a first quantity of rotations per print media sheet based in response to a determination that the stack of print media sheets corresponds to a first height.