Comparison of Technologies: Ink versus Laser


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HP advertises it´s HP Officejet Pro 8000 with particulary favorable printing costs and it´s fitness for office work. DC scrutinizes that in it´s lab, and compares, whether or not HP´s inkprinter can cope with Brother´s monolaser printer.

Erschienen am 24. August 2009 bei, 17 Seite(n)

Seite 5 von 17

Corona wire = Ozone

Laser technology requires a static electrical charging of the imaging drum. This can be accomplished by a transfer roller, which is in direct contact with the imaging drum. This charging process generates little or no ozone.

Brother´s printer uses a corona wire, which charges the imaging drum with high voltage. Toxic ozone accrues in the small gap between corona wire when the imaging drum is charged.

There is no ozone filter - the fan (picture below) blows the air unfiltered into the environment.

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