In this case, it is necessary to click on the three dots to the right of the bill that cannot be canceled, select the option "returned items", click on the two arrows pointing down to the right of each item so that all items move to the lower half of the screen, and in the blue field " cash” in the lower right corner should be the total amount of the account with a minus (-) sign. Then you click on the blue box in the lower right corner "cash" with that amount, then "cash" again and you will print the receipt "refund turnover"