The board of county commissioners shall provide for the storage of optical scanning equipment. The county election officer shall be in complete charge of the system and its equipment and safekeeping thereof when not in use and keeping such equipment in repair and working order and shall see that such equipment is delivered to the central tabulating area in time for all arrangements to be made and for the system to be ready for use at the hour of opening the polls. After the election, the county election officer shall see that the system and its equipment is returned to the place of storage, or are secured for on-site storage.