How do you think banks make money, how does a bank make money to pay its employees and business operational?
Does the bank rely solely on interest on loans from banks?
money is printed by the central bank, and if the central bank wants to print money there are many factors that are needed and considered before the central bank prints money in a country, such as inflation rates, circulation rates, or bank interest rates, this is what the central bank calculates for determine how much money must be printed and later distributed to the public by the commercial bank, and come to our hands, that's the short mechanism of how the central bank prints money