How do you set a price on a dixie narco 55xx vending machine?

Depress the button on the inside of the machine to enter Service Mode. Press 7, which will take you into the Set Regular Price Menu, Press the * button and then enter the desired vending price followed by the item number (A1, B5, etc). Once you are done entering the items for that specific price pres the Clear button. Note* If the entire machine is being changed to a single price then instead of listing each item simply press * after you have entered the desired price and then press clear to exit the programming.