This should not be missing in any bank.

This is what it looks like in operation.

Unfortunately, it doesn't really work. To print a million, you need an anvil and a level. Don't ask me what printing money has to do with an anvil, ask the makers of Minecraft.

Instructions:

It's a simple circuit. The switch is connected to this circuit and then this circuit is connected to the piston and the redstone flare. I have set two repeaters to three here (so a delay of 0.6 sec), as this creates a pleasant pressure rhythm.