A process and apparatus is disclosed for preparation of a no-jam vending machine
card wherein the card is treated with a suitably adhering powder to have a residual
powder layer on the card to reduce generation of an electrical static charge upon
each card as the card is dispensed by the vending machine. The process comprises
applying a suitable dusting powder and testing the dusted card for the necessary
residual powder layer. The apparatus comprises a powder dusting device and a card
powder layer testing device.