Automatic teller machine employing jam check sheet for cleaning paper money conveyor route and operation method for same

A teller member for telling a paper money incomming from outside or outgoing from inside and a safe member for storing therein and/or supplying therefrom the paper money are connected to each other by a conveyor route which is composed of a money conveyor for conveying the paper money therebetween and a route member for enclosing the money conveyor and provided with a check sheet member conveyable by the money conveyor for checking the conveyor route for a jam, the check sheet member being chargeable with polarity-controlled electricities so that dust such as paper dust in the conveyor route is adorbed by the check sheet member, as it is charged with electricities of a certain polarity and conveyed by the money conveyor, before the check sheet member is unloaded from the money conveyor into an accommodation chamber, where it is charged with electricities of an opposite polarity, thereby releasing the dust to be blown into a dust collector.