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Printing system, printing apparatus, information processing apparatus, control method therefor, and computer-readable memory

  • US 6,885,472 B1
  • Filed: 08/18/2000
  • Issued: 04/26/2005
  • Est. Priority Date: 08/24/1999
  • Status: Active Grant
First Claim
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1. A printing system having an external apparatus for generating printing data corresponding to an image to be printed and a printing apparatus for performing printing by discharging ink from a printhead to be attached, and said printing systems performs printing with said printing apparatus on the basis of the printing data to be output from the external apparatus,wherein the printing apparatus comprises:

  • output means for outputting discharge amount information of ink discharge amount of the printhead and identification information unique to the printhead, which are stored in storage means mounted on the printhead, to said external apparatus according to a request from said external apparatus, and the external apparatus comprises;

    image processing means for processing the printing data;

    input means for inputting the discharge amount information and the identification information output by said output means of said printing apparatus;

    setting means for setting a processing parameter for processing by said image processing means on the basis of the discharge amount information input by said input means; and

    management means for managing the processing parameter set by said setting means on the basis of the discharge amount information for the printhead, and the identification information for the printhead in correspondence with each other, and wherein a) when the identification information input by said input means is managed by said management means, said setting means performs a process by said image processing means using the processing parameter corresponding to the identification information, and b) when the identification information input by said input means is not managed by said management means, said setting means sets the processing parameter on the basis of the discharge amount information output by said output means of said printing apparatus and performs a process by said image processing means using the set processing parameter.

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