I just received my UM2 last week. We've been having pretty good luck printing with it in both ABS and PLA. We've been playing with ABS using a 110C bed and until today, we didn't have to use anything but clean glass to have the ABS stick great. Once the bed cooled, the plastic and the glass would separate by themselves (while making dramatic crackling noises). Today we're having some issue where the ABS just won't stick. We solved it by using hairspray (all other UM2 settings are the same). Not sure what it could be but it is raining today so maybe the humidity is affecting the prints. Anyway, my real question is - Is there a way to tell the UM2 to maintain the nozzle and build platform temperature for 60 seconds or so after an aborted print? Everything cools so rapidly that if we abort a print because it wasn't sticking or for some other reason, it takes ages to get back up to temperature. Thanks for any advice.