Patent ID: 7651048

Claim:
System for laterally retaining paper rolls of different width in a printer, comprising a lateral positioning element and a seat of said printer suitable for alternatively accommodating one or the other of said rolls of different width, said lateral positioning element being suitable for assuming a first, or a second position, for retaining respectively a first narrow roll, or a second broad roll, said positioning element being fastened to said seat in each of said two positions by means of first fastening means, integral with said positioning element and suitable for cooperating with second fastening means, belonging to said seat, wherein said first fastening means are arranged towards a first side of said positioning element, said second fastening means comprise parts complementary to said first fastening means, and said positioning element is suitable for being rotated though 180° about a vertical axis of symmetry from said first position, in which said first narrow roll is retained by means of said first side of said element, to said second position, in which said second broad roll is retained by a second side, opposite said first side, of said positioning element, and vice versa.