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LIQUID-DROPLET EJECTING APPARATUS, METHOD FOR CONTROLLING THE SAME, AND NONVOLATILE STORAGE MEDIUM STORING PROGRAM FOR CONTROLLING THE APPARATUS

  • US 20120194590A1
  • Filed: 01/31/2012
  • Published: 08/02/2012
  • Est. Priority Date: 01/31/2011
  • Status: Active Grant
First Claim
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1. A liquid-droplet ejecting apparatus comprising:

  • at least one liquid-droplet ejection head configured to eject liquid onto a recording medium;

    a liquid-droplet-ejection-data storage section configured to store liquid-droplet ejection data based on which the at least one liquid-droplet ejection head ejects a plurality of liquid droplets to form an image on the recording medium;

    a liquid-droplet-ejection-head controlling section configured to control the at least one liquid-droplet ejection head on the basis of the liquid-droplet ejection data;

    a liquid calculating section configured to calculate an amount of the liquid and the number of liquid droplets to be ejected for each of at least one evaluation region that is defined on the recording medium, the liquid calculating section being configured to calculate the amount of the liquid and the number of the liquid droplets on the basis of evaluation ejection data as liquid-droplet ejection data corresponding to the at least one evaluation region among the liquid-droplet ejection data;

    a curl-amount calculating section configured to calculate an amount of a curl of the recording medium on the basis of a location of the at least one evaluation region and the amount of the liquid and the number of the liquid droplets to be ejected for the at least one evaluation region which have been calculated by the liquid calculating section, the curl being produced by the ejection of the liquid droplets on the recording medium; and

    a curl suppressing section configured to change the evaluation ejection data on the basis of the amount of the curl of the recording medium calculated by the curl-amount calculating section when a processing for suppressing the curl of the recording medium is required, the curl suppressing section being configured to change the evaluation ejection data so as to change at least one of the amount of the liquid and the number of the liquid droplets to be ejected onto at least the at least one evaluation region on the recording medium to suppress the curl of the recording medium.

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