My workplace received one of these a week or two ago and after some use, I have to say that I mostly like this for the below reasons:
What I like: I like that this is hooked up to the building's water supply. There's no filling of any reservoirs at any point in time, although occasionally the unit will need to drain or to heat its inner reservoir. This doesn't take very long and the wait time is not that much more than the smaller Keurigs that have the reservoir that you have to fill manually. It's a bit larger so it takes longer, but that's about it. It's a fast machine and despite some initial confusion over what people needed to push to get the desired result (we had no instructions left for us), it was pretty easy to learn what we needed when. There is an option to just get hot water, which is nice. You could technically get that with the other Keurigs, but it's still nice.
What I'm ambivalent about: Rather than you having to remove the k-cup cartridge after use, the unit dumps it into a bucket with several other k-cups. You have to empty it out occasionally and the bucket will sometimes fill up with water, which I think is part of the draining process. The lazy part of me likes this, as I tend to leave k-cups in the machine sometimes, but the more fastidious part of me hates that there are several used k-cups in the machine that are sometimes sitting in an inch of water. It's not that the machine isn't emptied regularly, it's just the thought of it.
There really isn't anything I dislike about it at this point in time. The only thing I can say about it is that if something breaks, you absolutely have to take this in for repair. It's too expensive to be trusted to anyone other than someone who is experienced with this sort of machine. If you have someone at work who knows how to fix them, then repairs wouldn't be as bad as getting someone to fix the internal bits and bobs of your office copier or printer, but this isn't as easy to fix or replace as the more inexpensive units.
Despite it being bigger and looking more impressive than the smaller units, this is generally not any different than your basic machine. It looks like it could put up with more abuse than its kin and it's good for larger amounts of users, but if you have an office that has under 10 workers that would only drink about 10-15 cups a day, you could probably get away with one of the smaller machines. If you know that they'll drink more than that a day or that you have more workers, this is probably the way to go.
My company purchased several of these machines for every floor in the building and they were really convenient to make coffee. We typically had a drip coffee make that filled up a huge 2.2L Airpot, but everyone who made the coffee had their own definition of a perfect cup. Therefore, coffee came awful depending on the person that made it. The keurig machine solved many of those issues since people needed to make their own cup and were allowed to select the strength.
One drawback is the holder for the k-cups is difficult to clean. From the constant usage, the holder and piercing mechanism builds up coffee sludge. I have not found a way to remove the holder for cleaning. Therefore, I usually pour a hot cup of water. Well dry coffee is difficult to clean without scrubbing, so the hot water doesn't get the job completely done.
Another thing that is a minor annoyance is again in regards to the holder. When you open the unit to place another k-cup, the k-cup holder swings the used k-cups into a little trash bin. Sometimes drops of coffee is left on the holder. When the holder swings back after dispensing the used k-cup, it splashes coffee right at you. I have been splashed several times in the face and eye from this. Therefore, I typically open the unit slowly or cover the opening with a towel to avoid the splash.
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Instructions included need to be a bit more explanitory when it somes to the tubbing leading from the filter and from the coffee pot. Nothing is mentioned about the adapter needed to adjust the the two lines together.
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Just a grain too much of coffee in the fella and he exploded. I had many messes to clean up from this machine. I could never get the perfect amount of coffee. I need my espresso every morning and this contraption made me not-too-happy. I finally went to Goodwill and bought an excellent espresso maker for 8.00$ American.
Used the Melita one cup while visiting my parents in TX. They both drink decaf.....I don't, so it was ideal for my early morning wake-up!
