A lot of good having two machines does me, I have one working, and one not working machine. I bought the second one in anticipation of the holidays picking up and to be a backup machine in the event of my main one going down, little did I know, when I purchased the second, my other went down. Call it good timing or bad, the last couple of months have been a pain 
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First machine went down after corrosion killed the circuit board the black lid cable connects to. It looks like when I was cleaning the glass, I must have sprayed that board at some point. Needless to say, I will only ever spray the rag I’m cleaning with, and never directly into the machine again. Over time the corrosion built up and killed that board. GF was kind enough to send me that board, I repaired the machine and it worked for a couple of weeks, and now it’s bit the dust again. My logs indicate that it could be the ribbon cable that goes to the laser head, but this is self diagnosed with the help of the guys at OpenGlow, as I’m not looking forward to GF having me send in my machine, only to have something like what has happened in this post happen - where they keep the machine and try to sell me a refurb. I never ordered any of the cleaning solution, I just use baby wipes, and some broken popsicle sticks for the fan. I’ve mentioned my process before…here it is
I got the refurb, because the second machine I got had inconsistent engraving on arrival, as well as the shipping process knocked something loose in the coolant that lodged itself against the glass of the laser tube, pictured here 
