Patent ID: 7512357
Filing Date: 2009-03-31
Classification: B41J

Abstract:
1. An image forming device comprising: an imaging drum comprising an imaging drum surface; and one or more marking material dispensers arranged for forming a disposed image on said imaging drum surface, said imaging drum being arranged to transfer said disposed image to a media at an image transfer site, said image forming device comprising plural particle removal devices comprising at least a first particle removal device and a second particle removal device, said first particle removal device comprising a first vacuum port positioned such that said imaging drum rotates a first angle from said image transfer site to the first vacuum port, said second particle removal device comprising a second vacuum port positioned such that said imaging drum rotates a second angle from said second vacuum port to said one or more marking material dispensers, at least one of said first vacuum port and said second vacuum port comprising an elongated slot opening into which particles are drawn by vacuum, said slot opening comprising a length and a width perpendicular to said length, said slot opening comprising a first end at one extreme of said length, a second end at an opposite extreme of said length, and a width-transition point along said length between said first end and said second end, said width of said slot opening being non-tapered and consistent from said first end to said width-transition point, and said width of said slot opening being tapered and increasing from said width-transition point to said second end.