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Characterization of ultra-fine particle emissions from a laser printer

: Uhde, E.; He, C.; Wensing, M.

Oliveira Fernandes, E. de ; International Society of Indoor Air Quality and Climate -ISIAQ-, Ottawa; Instituto de Engenharia Mecânica, Porto:
HB 2006 healthy buildings. Creating a healthy indoor environment for people. Proceedings. CD-ROM : Lisboa, 4-8 June 2006
Espoo: ISIAQ, 2006
pp.479-482 (Vol.II)
Healthy Buildings Conference <2006, Lisboa>
Conference Paper
Fraunhofer WKI ()
laserprinter; Emission; particle; SVOC

A laser printer for home and office use has been tested regarding emissions sub-micrometer particles. Total concentration of ultra-fine particles as well as particle size distributions were measured in a small chamber. Toner coverage, paper type, and the number of pages printed were varied. Particle number concentration around 1.8 x 106 cm-3 were measured. The printer released particles with a mean size of 90 - 120 nm. Smaller particles were detected during the first minutes after starting a print job. The dependence of the particle emission on the page coverage and the number of printed pages was found to be weak.