US Patent 7194952 Stencil printing machine

A stencil printing machine includes a rotatable printing drum including an outer peripheral wall of ink impermeable material. A stencil paper is mounted around the surface of the outer peripheral wall. An ink supplying mechanism includes an ink supplying unit in the maximum printing area of the outer peripheral wall of the printing drum and causes ink to be supplied from the ink supplying unit to the surface of the outer peripheral wall. A pressure roller presses a fed print sheet against the outer peripheral wall.