What do you think will happen if the thermal machine of a grocery store business is not a good one? If it is not reliable as to printing receipts of purchases to be given to the customers after paying? Don't you think the customer/s will be pleased wit it? There is nothing wrong of getting pissed of the wrong-doings of others as well as wrong-doings of the machine, it is just an act of letting your frustration out of what had been doing. It should have to be a quality machine. Business owner or grocery store business administrator may like to have tm-t88iv for such a machine for it. A high quality and reliable business machines and stuffs make a good customer service which it reflects to what the company is selling. It is a great impact if the service is good.