Change machine

Source: Wikipedia, the free encyclopedia.
Slot to accept bills in change machine.

A change machine is a

paper currency
, in which case they are also often known as bill changers.

In the

bill validators
and don't accept paper currency.

Before the advent of coinless

video arcades
.

In some cases, a machine may subtract a small amount (e.g. 5 cents) as a surcharge for the transaction.

See also