The print should stop when there is no content on the receipt. It should be according to the size of the card items not the whole A4 page size? here is what i want to show you in the images:

https://onedrive.live.com/redir?resid=978A4B0BF8AE44DD!125&authkey=!AAGoeDaxZmqUlys&ithint=folder%2c 

Please help me. i am wasting alot of paper.