Printing unit and a rotary roller printing press

A printing unit of a web-fed rotary printing press comprising:

• at least first and second pairs of two cylinders, each said pair of two cylinders including a transfer cylinder and an associated forme cylinder, each of said transfer cylinders and associated forme cylinders having a width for imprinting six newspaper pages arranged axially side-by-side each said forme cylinder having a forme cylinder circumference with a circumferential length of two newspaper pages, said transfer cylinders of said two pairs of first and second cylinders acting together to form a double print position in a print-on position of said printing unit;
• at least one drive motor for each of said at least first and second pairs of two cylinders, each said drive motor driving its pair of two cylinders independently of other ones of said at least first and second pairs of two cylinders;
• at least one axially extending dressing end receiving opening on each said forme cylinder, said at least one forme cylinder dressing end receiving opening extending over said width of each said forme cylinder for printing six newspaper pages;
• a shell surface on each said transfer cylinder, said shell surface being divided axially into sections, each said section having an axially extending dressing end receiving opening;
• and
• three dressings arranged side-by-side in an axial direction on said shell surface of each said transfer cylinder, each said dressing including a support plate with support plate ends receivable in said dressing end receiving opening and further including a compressible layer on said support plate intermediate said support plate ends.