Printer pollution

Printer tests showed levels of ultra-fine particle pollution:

High-level emitters

HP Color LaserJet 4650dn

HP Color LaserJet 5550dtn

HP Color LaserJet 8550N

HP LaserJet 1320N

HP LaserJet 1320n

HP LaserJet 2420dn

*HP LaserJet 4200dtn

HP LaserJet 4250n (old cartridge)

HP LaserJet 4250n (new cartridge)

HP LaserJet 5(a) (further study needed)

*HP LaserJet 8000DN

HP LaserJet 8150N

Toshiba Studio 450

Mid-level emitters

HP LaserJet 1020

HP LaserJet 4200dtn

Low-level emitters

Canon IRC6800

HP LaserJet 5M

HP LaserJet 9000dn

Ricoh CL3000DN

Non-emitters

HP Color LaserJet 4550DN

HP Color LaserJet 8500DN

HP LaserJet 2200DN

HP LaserJet 2300dtn

HP LaserJet 4 plus

HP LaserJet 4000N

HP LaserJet 4000TN

HP LaserJet 4050N

HP LaserJet 4050TN

HP LaserJet 4si

HP LaserJet 5(b) (further study needed)

HP LaserJet 5000n

HP LaserJet 5100tn

HP LaserJet 5N

HP LaserJet 5si

HP LaserJet 5si/NX

HP LaserJet 8000DN

HP LaserJet 8150DN

Ricoh Aficio 2022

Ricoh Aficio 3045

Ricoh Aficio 3245C

Ricoh Aficio CC3000DN

Toshiba Studio 350

*possible high emitter

Source: International Laboratory for Air Quality and Health, Queensland University of Technology, Brisbane