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Image forming device and computer which share the generation of a function for correcting image data based on an image forming condition of the image forming device

  • US 6,046,820 A
  • Filed: 10/22/1997
  • Issued: 04/04/2000
  • Est. Priority Date: 10/22/1996
  • Status: Expired due to Term
First Claim
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1. An image output system comprising a host computer and a printer having a printer engine and a printer controller, said host computer and said printer being connected via a communication network, said printer comprising:

  • sensing means for sensing a change in environment;

    calibration request transmission means for transmitting a calibration request to said host computer in accordance with the sensed result;

    reception means for receiving sample image data from said host computer;

    sample image forming means for forming a sample image based on the received sample image data;

    measurement means for performing a measurement on the formed sample image; and

    measured data transmission means for transmitting the measured data to said host computer; and

    said host computer comprising;

    calibration request reception means for receiving the calibration request from said printer;

    sample image data transmitting means for transmitting the sample image data to said printer;

    measured data reception means for receiving the measured data from said printer; and

    generating means for generating grayscale correction data based on the received measured data.

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