Drum maintenance system for reducing duplex dropout
A maintenance system and positioning system technology, applied in general parts of printing machinery, printing, rotary printing machines, etc., can solve problems such as degraded images
Inactive Publication Date: 2013-03-13
XEROX CORP
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- Description
- Claims
- Application Information
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Problems solved by technology
However, in some cases, the viscosity of the liquid ink can cause a portion of the ink to remain on the drum after the image is transferred to the media sheet, which can then degrade other images formed on the drum
Method used
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[0019] now refer to figure 1 , depicts an embodiment of an imaging device 10 of the present disclosure. As shown, the device 10 includes a frame 11 on which are mounted, directly or indirectly, all operating subsystems and components of the device as described below. exist figure 1 In the illustrated embodiment, the imaging device 10 is an indirect marking device comprising an intermediate imaging member 12 shown in the form of a drum, but could equally be in the form of a supported endless belt. The imaging member 12 has an image receiving surface 14 that is movable in the direction 16 and on which a phase change ink image is formed. A transfix roll 19 rotatable in the direction 17 is loaded against the surface 14 of the drum 12 to form a transfix nip 18 within which the ink image formed on the surface 14 is fixed to a media sheet 49 . In alternative embodiments, the imaging device may be a direct marking device, wherein the ink image is formed directly on a receiving sub...
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A drum maintenance system for use in an imaging device includes a reservoir having a supply of release agent, and an applicator configured to receive release agent from the reservoir and to apply the release agent to an intermediate imaging surface of an imaging device. A first metering blade is positioned in wiper mode at a first position adjacent the intermediate imaging surface and configured to meter the release agent on the intermediate imaging surface applied by the applicator. A second metering blade is positioned in wiper mode at a second position adjacent the intermediate imaging surface. The system includes a second metering blade positioning system operably coupled to the second metering blade and configured to move the second metering blade into engagement with the intermediate imaging surface to further meter release agent applied to the intermediate imaging surface by the applicator when printing a first side of a duplex print job and out of engagement with the intermediate imaging surface when printing simplex print jobs and when printing a second side of a duplex print job.
Description
technical field [0001] The present disclosure relates generally to imaging devices having intermediate imaging surfaces, and more particularly to maintenance systems for such intermediate imaging surfaces. Background technique [0002] In a solid ink imaging system with an intermediate member, ink is loaded into the system in solid form (in the form of pellets or ink sticks) and transported by an input mechanism through an input chute for delivery to the heater assembly. A heated plate in the heater assembly melts solid ink that hits the plate into a liquid that is transported to the printhead for jetting on an intermediate transfer member, which may be in the form of a rotating drum, for example. In the printhead, the liquid ink is typically maintained at a temperature that enables ejection of the ink by printing elements in the printhead, but keeps the ink sufficiently viscous to bond to the intermediate transfer drum. In some cases, however, the viscosity of the liquid i...
Claims
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IPC IPC(8): B41F35/00B41F16/00
CPCB41J2/17593B41J29/17
Inventor 亚历山大·J·菲奥拉万蒂保罗·约翰·麦科维尔
Owner XEROX CORP