I haven't found any reviews for this particular 12MS30 on Revain that suggest support for up to 12 blades and 30 minutes of continuous use. I just received this device and my expectations were high that this big brand spent $200 on something Amazon Basic is half price. 1. The device came in an open box as if it had been used before. 2. It's very loud, has nothing to do with some other brands so don't expect it to be quiet (as advertised). 3. It starts struggling when you place more than 6 documents at a time, you literally hear it going to fail every second. Unless I received a defective model I would advise others to consider these concerns before making a purchase, after all that's almost $200 you'll be spending assuming it's the best out there. Will update my review with more use.
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