[ndsipa_pomu]

I think the biggest exposure would come from handling/replacing the toner cartridges. Make sure that you keep them closed and don't shake them around (e.g. to distribute the toner within).

I think they're also not great for releasing gases and certainly my one does have a chemical smell when printing, so I just make sure that I'm in a different room for doing a large print (it helps that the printer is network connected).

[blibble]

that smell is ozone (chlorine-like), which the human nose is super sensitive to

probably some burnt toner too