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System and method for image receiving surface treatment in an indirect inkjet printer

An inkjet printer, image receiving technology, applied in printing devices, printing, etc., can solve the problems of short wear and aging, ink droplet diffusion, pollution, etc.

Inactive Publication Date: 2015-03-25
XEROX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The benefits of such off-line processing may be transient due to surface contamination, wear and aging over time
[0004] One challenge of the indirect aqueous inkjet printing process involves the spread of ink droplets during the printing process

Method used

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  • System and method for image receiving surface treatment in an indirect inkjet printer
  • System and method for image receiving surface treatment in an indirect inkjet printer
  • System and method for image receiving surface treatment in an indirect inkjet printer

Examples

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Embodiment Construction

[0020] As used herein, the term "hydrophilic" means a composition or compound that attracts water molecules or other solvents used in aqueous inks. As used herein, the reference to hydrophilic composition refers to the liquid carrier carrying the hydrophilic absorbent. Examples of liquid carriers include, but are not limited to, liquids, such as water or alcohol, that carry the dispersion, suspension or solution of the absorbent. The dryer then removes a portion of the liquid carrier and the remaining solid or gel phase absorbent has high surface energy to absorb a portion of the water in the aqueous ink drop, while allowing the colorant in the aqueous ink drop to spread on the surface of the absorbent. As used herein, the reference to the dry layer of the absorbent refers to the placement of the hydrophilic compound after all or a substantial portion of the liquid carrier has been removed from the composition by a drying process. As described in more detail below, indirect i...

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Abstract

The invention provides an inkjet printer. The inkjet printer applies a layer of a hydrophilic composition, which includes a liquid carrier and an absorption agent, to an image receiving surface of an indirect image receiving member. A dryer in the printer removes a portion of the liquid carrier from the layer of hydrophilic composition to form a dried layer of an absorption agent on the image receiving surface and an aqueous ink image is formed on the dried layer. The aqueous ink image and at least a portion of the dried layer are transferred to a surface of a print medium as the aqueous ink image and print medium move through a transfix nip formed between the indirect image receiving member and a transfix member.

Description

technical field [0001] The present disclosure relates generally to aqueous indirect inkjet printers, and in particular to surface preparation for aqueous inkjet printing. Background technique [0002] Generally, an inkjet printing machine or printer includes at least one printhead that ejects droplets or jets of liquid ink onto a recording or image forming surface. Aqueous inkjet printers use water- or solvent-based inks in which pigments or other colorants are suspended or in solution. Once the aqueous ink is ejected from the printhead onto the image receiving surface, the water or solvent evaporates to stabilize the ink image on the image receiving surface. When the aqueous ink is jetted directly onto the media, the aqueous ink tends to penetrate into the media or change the physical properties of the media when the media is porous (eg, paper). Since the spread of ink droplets striking the media depends on the media surface properties and porosity, print quality is incon...

Claims

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Application Information

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IPC IPC(8): B41J2/01
CPCB41J2/0057B41J11/002B41J11/00216B41J11/0022B41J11/0015
Inventor C-H·刘
Owner XEROX CORP
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