This is a great machine and still works like new. I have only used filtered water and would do a descale/cleaning every month. The only issue (and is seems to be a common one) is that the "Descale" light remains on all of the time. The only reason that I am not keeping it is that we built a "coffee bar" and it's just a tad too big for the space. Otherwise, I would've kept it. I no longer have the original box or manuals but you can find those online. I have added a cord keeper to the back (removable). From the website: Product Description Introducing the K-Slim + ICED™ brewer. Full-flavored hot coffee and refreshing iced – always easy, always right. Whether it’s a cup of hot to start the day off or an iced to take an afternoon break, now you finally can have both with the ease of Keurig®. The innovative Brew Over Ice feature automatically adjusts brew temperature starting hotter to help extract full flavor, then cooling down so there’s less ice melt for vibrant, balanced flavor – all in just two minutes. The 46-ounce removable water reservoir allows you to make up to four eight-ounce cups before refilling, so you don’t need to worry about measuring out your next cup or always refilling when you want to enjoy fresh coffee. At less than five inches wide, the brewer fits neatly on your countertop. For hot coffee choose from three cup sizes 8,10, or 12oz. For iced coffee the Brew Over Ice feature brews at 6oz, the optimized size and temperature for the ideal over ice exp