Method and system for calculating ink residue and ink container
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Abstract
In an ink residue calculating method where the ink residue is calculated by obtaining ink discharge discharged from an ink container on the basis of the number of rotations of a drive motor of an ink supply pump which sucks ink from the ink container and discharges the same and cumulatively subtracting the ink discharge discharged from the ink container from the total ink volume accommodated in the ink container, the ink residue is accurately calculated even if the kind of ink changes. The kind data of the ink is obtained by reading out from the storage means (5) of the ink container (4), the ink discharge of the ink supply pump per unit rotation of the drive motor for standard ink is corrected on the basis of the kind of the ink obtained by the ink residue calculating means (22), and the ink residue is calculated by cumulatively subtracting the value obtained by multiplying the corrected ink discharge by the working time from the total ink volume accommodated in the ink container (4).
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Citations
22 Claims
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1-10. -10. (canceled)
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11. An ink residue calculating system comprising, in a system where the ink residue is calculated by obtaining ink discharge discharged from an ink container on the basis of the working time of an ink supply pump which sucks ink from the ink container and discharges the same and the ink discharge per unit working time of the ink supply pump or on the basis of the number of rotations of a drive motor of the ink supply pump and the ink discharge of the ink supply pump per unit rotation of the drive motor and cumulatively subtracting the ink discharge discharged from the ink container from the total ink volume accommodated in the ink container,
an ink kind obtaining means which obtains the kind of the ink, and an ink residue calculating means which corrects the ink discharge per unit working time of the ink supply pump or the ink discharge of the ink supply pump per unit rotation of the drive motor on the basis of the kind of the ink obtained by the ink kind obtaining means, and calculates the ink residue on the basis of the corrected ink discharge.
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13. An ink residue calculating system comprising, in a system where the ink residue is calculated by obtaining ink discharge discharged from an ink container on the basis of the working time of an ink supply pump which sucks ink from the ink container and discharges the same and the ink discharge per unit working time of the ink supply pump and cumulatively subtracting the ink discharge discharged from the ink container from the total ink volume accommodated in the ink container,
a temperature detecting means which detects the working environmental temperature of the ink, and an ink residue calculating means which corrects the ink discharge per unit working time of the ink supply pump on the basis of the working environmental temperature of the ink obtained by the temperature detecting means, and calculates the ink residue on the basis of the corrected ink discharge.
- 16. An ink container which is used for carrying out the ink residue calculating method, where the ink residue is calculated by obtaining ink discharge discharged from an ink container on the basis of the working time of an ink supply pump which sucks ink from the ink container and discharges the same and the ink discharge per unit working time of the ink supply pump or on the basis of the number of rotations of a drive motor of the ink supply pump and the ink discharge of the ink supply pump per unit rotation of the drive motor and cumulatively subtracting the ink discharge discharged from the ink container from the total ink volume accommodated in the ink container wherein the kind of the ink is obtained, the ink discharge per unit working time of the ink supply pump or the ink discharge of the ink supply pump per unit rotation of the drive motor is corrected on the basis of the obtained kind of the ink, and the ink residue is calculated on the basis of the corrected ink discharge, comprising a storage means which stores kind data according to the kind of the ink.
- 18. An ink container which is used for carrying out the ink residue calculating method, where the ink residue is calculated by obtaining ink discharge discharged from an ink container on the basis of the working time of an ink supply pump which sucks ink from the ink container and discharges the same and the ink discharge per unit working time of the ink supply pump or on the basis of the number of rotations of a drive motor of the ink supply pump and the ink discharge of the ink supply pump per unit rotation of the drive motor and cumulatively subtracting the ink discharge discharged from the ink container from the total ink volume accommodated in the ink container wherein the kind of the ink is obtained, the ink discharge per unit working time of the ink supply pump or the ink discharge of the ink supply pump per unit rotation of the drive motor is corrected on the basis of the obtained kind of the ink, and the ink residue is calculated on the basis of the corrected ink discharge, comprising a storage means which stores a parameter used in the correction based on the kind of the ink.
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20. An ink container which is used for carrying out the ink residue calculating method where the ink residue is calculated by obtaining ink discharge discharged from an ink container on the basis of the working time of an ink supply pump which sucks ink from the ink container and discharges the same and the ink discharge per unit working time of the ink supply pump and cumulatively subtracting the ink discharge discharged from the ink container from the total ink volume accommodated in the ink container, wherein the working environmental temperature of the ink is detected, the ink discharge per unit working time of the ink supply pump is corrected on the basis of the obtained working environmental temperature of the ink, and the ink residue is calculated on the basis of the corrected ink discharge, comprising a storage means which stores a parameter used in the correction based on the working environmental temperature of the ink.
- 21. An ink container which is used for carrying out the ink residue calculating method where the ink residue is calculated by obtaining ink discharge discharged from an ink container on the basis of the working time of an ink supply pump which sucks ink from the ink container and discharges the same and the ink discharge per unit working time of the ink supply pump and cumulatively subtracting the ink discharge discharged from the ink container from the total ink volume accommodated in the ink container, wherein the working environmental temperature of the ink and the kind of the ink are detected, the ink discharge per unit working time of the ink supply pump is corrected on the basis of the obtained working environmental temperature of the ink and the detected kind of the ink, and the ink residue is calculated on the basis of the corrected ink discharge, comprising a storage means which stores a parameter used in the correction based on the kind of the ink and the working environmental temperature of the ink.
Specification