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I'd be grateful for any help. I bought a second-hand Elegoo Saturn 10 days ago on ebay and the seller has been in touch offering a refund because (in their words) a couple of the printers they sold a couple of months ago caught fire recently, and "they must have been faulty and that must be why they got them cheap".

Firstly I don't feel I'm in any danger - the printer is running out in a (non-attached) garage with nothing alse around it and I'd put it on a lawnmower lead (that would cut the power if it started to heat up).
I've asked for a replacement rather than a refund from the seller and that's turned into a huge argument but hopefully it will be sorted. They had also sold it with a leaky FEP sheet which had gone on to damage the LCD, which I paid to repair.

But what I wanted to ask is whether anyone has heard of this happening to multiple Elegoo Saturns? I don't trust this seller at all, and I'm wondering if the real problem is something like they were stolen goods or counterfeits - and the story about fires is to try and get the items back.
In the UK the latter two things are treated as criminal offences/felonies - and on the resellers' part as much as the original thief/counterfeiter. Weirdly there is more onus on second-hand sellers to make sure they aren't handling stolen goods than for them to do electrical tests to make sure they don't burn the customer's house down.

But are 3d printers especially flammable? I'm using water-washable resin so don't have gallons of IPA sitting right next to the printer.

I have not heard of this.


Closest I've heard is if you use adaptors for power sockets they can have a higher chance of catching fire and a good many of the 3D printers come with overseas plug sockets not UK 3pin ones. So you either have to use an adaptor or get your own 3pin cable.


Otherwise catching fire isn't something I've heard of. FDM printers yes because they specifically get super hot, but even then its more miss handling than the printer just bursting into flame.


Heck the Saturn is widely used by a lot of merchants running then nonstop till they break down and die and often multiple printers side by side.

I have a Saturn in use frequently for over a year now, but it was once they hit retail and not the pre-order version, as I believe once they hit full production on retail availability (Amazon, etc.) there had been some refinements and slight upgrades to the electronics.

Maybe start with trying to find out which 'batch' these are from so you know where in the production line they were made and asking Elegoo or the internet if any known issues.

is the voltage correct? not sure how saturns are engineered if by design they can accept any, but some electronics require the correct voltage. manual should tell you the tolerance