Stencil and screen assembly for a printer

A printer for printing out an image formed in a stencil on a sheet, comprising:

• a rotatable drum comprising a hollow cylindrical support constituted by a permeable zone which is formed with a number of apertures and a non-permeable zone;
• mesh screen means covering an outer periphery of said support, a stencil being wrapped around an outer periphery of said screen means;
• clamp means provided on said non-permeable zone of said support for clamping one edge of said stencil wrapped around said screen means;
• ink supply roller means disposed in said support for supplying ink to said stencil via said permeable zone of said support;
• press roller means for pressing a sheet against said stencil;
• a thin non-permeable first guide plate adhered by a first adhesive to an outside of a leading edge of the non-permeable zone with a tip thereof directed toward the permeable zone;
• and
• a thin non-permeable second guide plate adhered by a second adhesive to said screen means at an inside of said screen means at a position such that a tip of said second guide plate is adjacent a trailing portion of said screen means, a portion of said second guide plate being located closer to said support than a portion of said first guide plate.