A method for rebooting a system having a plurality of execution units in a safe operating mode; after receiving a request signal, the signals delivered by the execution units are compared with one another as a function of a comparison operation to detect a signal deviation. Agents and compositions comprise statins andor inhibitors of LSD12. Then, at a total ink drop quantity control unit, a total ink quantity of the amount of ink drops converted at the conversion unit and a limit value stored in a maximum total ink quantity memory unit are compared, and the total ink quantity is controlled to be lower than the limit value. The controller causes the wiping system to wipe the print after the controller makes the determination.