FIELD: printing arts. SUBSTANCE: more than two printing mechanisms are positioned in the sheet-fed rotary press, the printing mechanisms are combined in twinned printing mechanisms. In another modification the printing mechanisms are positioned in the vertical direction tightly to each other or with a small clearance side by side, part of these printing mechanisms is made for raising and lowering. EFFECT: enhanced convenience in servicing of printing press. 12 cl, 5 dwg
