So far it's been very good but I can't give it a higher rating because it hasn't been long enough yet to know how well the ink holds to the paper. Initially anyway it gives a nice crisp printout. Our oldest slips are from late June so it's only a couple of months. They are still nice and clear.
I had to buy a new size thermal Paper roll because the 84' ones were to big for the new Credit card machine. I needed the 50so staples ordered them for me and they were very quick arriving and fit perfectly .