PURPOSE: To remove clearly cream solder adhering to an opening of a printing mask by simple device constitution.

CONSTITUTION: A cleaning board 8 is fitted to the upper side of a printing table 1 and a cleaning material 25 having affinity for cream solder is provided on the cleaning board 8. At the time of cleaning of a printing mask 3, the cleaning material 25 is arranged on the lower side of the printing mask 3 and a spouting device 21 spouting compressed air is arranged on the upper side of the printing mask 3 by fixing to a holding body of a squeegee 5. The spouting device 21 is reciprocated along the surface of the printing mask 3 while spouting the compressed air, through which an opening 6 of the printing mask 3 is cleaned by blowing off the cream solder 4 adhering to the opening 6 by the compressed air and the blown off cream solder 4 is sucked and collected by the cleaning material 25.