deflecting rollers 9 and between the reserve roll r 2 and the connecting means 10 to the tensioning and pulling means 16 it wraps around the cylindrical body 17 by about 140 u00b0 it is deflected directly behind the cylindrical body 17 by the deflecting roller 20 to the cylindrical body 22 of the holding means 21 it wraps around the cylindrical body 22 by preferably at least 90 u00b0 and is finally led from there through the first printing gap of the printing press in the state of the roll changer shown in fig1 the working roll r 1 is in a working position and the reserve roll r 2 is in a joining or bonding position from which they are pivoted farther together after the bonding into a working position for the current reserve roll and new working roll r 2 the swivel warm 11 with the bonding roller 14 is in a starting position in which the working web a is not touched i e the working web a runs through free between the reserve roll r 2 and the connecting means 10 in the state being shown the cylindrical body 17 of the tensioning and pulling means.