Active vacuum roller and method for advancing media
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United States of America Patent
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Sep 7, 2004
Grant Date -
May 1, 2003
app pub date -
Oct 26, 2001
filing date -
Oct 26, 2001
priority date (Note) -
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Abstract
A media advancing device for a hardcopy apparatus includes at least one roller having an outer surface and being rotatable for advancing media, and a negative pressure mechanism. The outer surface further comprises a plurality of openings and a contact region for engaging the media, wherein the negative pressure mechanism is capable of creating negative pressure through at least a portion of the openings in the contact region.
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