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Hopefully HP has cleaned up their act when it comes to ultra-fine particles[1] ... (or was that paper debunked)?

I own a (now 10 years old) HP LaserJet 2100dn, and when I print something out, I can smell it. Maybe it's time to upgrade.

[1] http://pubs.acs.org/doi/abs/10.1021/es063049z?journalCode=es...

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The paper still stands. There has been quite a bit of research activity in this area.

Anecdotally: my lab recently got a Brother laser printer. There was an odour after printing so we tried the experiment (using the same air quality equipment). Sure enough, we saw huge UFP peaks.

Recent developments: UFP emissions from 3D printers http://www.sciencedirect.com/science/article/pii/S1352231013...

I have the same printer. I don't mind the smell. What I do mind is that it doesn't work with AirPrint because it only supports postscript and not PDF files. It's frustrating that Apple doesn't support PS and the printer can't be upgraded to support PDF. I can't fix it unless I create a separate print server. And I can't fit CUPS onto my OpenWRT router.

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