New machine won't print

[cliffyk]

Same thing. I just used the whole little instruction book and I am not cranking down on the screws at all but I move the plate up 30mm and then come back down and it want to go all the way to the bottom and start growling. Not much else I can do but return it but this company just wont contact me back. I thought this was a respectable company.

It's got to be that the limit switch is defective in some manner...

Your situation is why I nearly always buy things like this from Amazon--just tell them you don't like it, slap the label they give you on the box and away it goes--they'll ship another that you'll have in a day or two if that's what you want.

I am very cautious about eBay, and no longer use any of the Chinese outlets (Ali-Express, DX, etc.)--the prices may be attractive but is something goes wrong you will most likely be screwed. I have heard of MMF of course, but have never dealt with them. An unfortunate part of buying "the cheapest there is"--be it products service or a combination of the two-- is that very often you will get "the cheapest there is".

They have to not be doing something as well a the other guy in order to sell for less and still make a living...

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Re; your printer the only other thing that occurs to me is that the trolley is just too damned tight on the rails. As I said above mine was far too tight, it nearly popped out of my hand and flew across the room when I took it out of the mast. You should not have to do this on a new machine, and may not want to do it as you'll be sending it back, however it might be something to check if you are as stubborn as I about having things work as they should.