Most owners who spoke to reliability are positive, and their confidence rests on Bambu's track record: several cite thousands of hours on an X1C with nothing beyond routine maintenance and one gearbox swap, and expect the H2S to follow suit if it is maintained the same way. They also concede Bambu printers are harder to repair than some rivals, which makes that maintenance matter more. The dissenting owners report persistent problems they could not resolve, and one received a unit dented in shipping with a door that would not close and a non-replaceable panel, sorted out through the retailer rather than Bambu.
Be clear about what is missing: the long-term accounts on the H2S itself are thin. The multi-thousand-hour figures owners quote come from older X1C machines, not this one, and only a handful of separate owners have raised reliability at all. There is not yet enough here to say how the H2S wears over years, only that early experiences are mostly good with a couple of clear exceptions.