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Printing strategy for improved image quality and durability

  • US 6,443,568 B1
  • Filed: 06/29/2001
  • Issued: 09/03/2002
  • Est. Priority Date: 06/29/2001
  • Status: Expired due to Term
First Claim
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1. An ink-jet printing apparatus comprising:

  • at least one printhead portion including a fixer fluid comprising a colorant precipitating component, and at least one printhead portion including an inkjet ink comprising a colorant;

    wherein, before the inkjet ink is printed onto a zone of a medium, a layer of the fixer fluid is underprinted and at least partially dried onto the zone to be inkjet printed, and after the inkjet ink is printed onto the zone, the fixer fluid is overprinted and at least partially dried onto the zone;

    and wherein there is a 0.1 to 2 second break between the underprinting of the fixer fluid layer and the printing of the inkjet ink onto the zone to allow the fixer fluid to partially dry;

    and wherein there is a 0.1 to 2 second break between the inkjet printing of the image onto the zone of the medium and the overprinting of the fixer fluid layer onto the zone to allow the inkjet printed image to partially dry.

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