INK JET PRINTING APPARATUS
First Claim
1. An ink jet printing apparatus including a carriage on which a print head and an ink tank can be mounted, the print head being capable of ejecting ink on the basis of print data, the ink tank supplying ink to the print head, the ink jet printing apparatus performing a printing operation of printing an image on a print medium through reciprocations of the carriage, the apparatus comprising:
- measuring means for measuring an elapsed time from end of movement of the carriage;
acquiring means for acquiring information correlated with the degree of ink stirring involved in the printing operation performed after the carriage movement has been finished;
setting means for, if the elapsed time is shorter than a specified time, setting conditions for carriage movement for stirring the ink in the ink tank on the basis of the information acquired; and
control means for reciprocating the carriage in accordance with the set movement conditions.
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Accused Products
Abstract
The present invention provides an ink jet printing apparatus that can print appropriate images by efficiently stirring ink in an ink tank in accordance with its status to homogenize it. When the elapsed time from the end of reciprocation of the carriage is shorter than a specified time, a printing operation is performed after the end of the reciprocation. The number of times that the carriage is reciprocated so as to stir the ink after the printing operation is set in accordance with the number of scans of the carriage during the printing operation.
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Citations
10 Claims
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1. An ink jet printing apparatus including a carriage on which a print head and an ink tank can be mounted, the print head being capable of ejecting ink on the basis of print data, the ink tank supplying ink to the print head, the ink jet printing apparatus performing a printing operation of printing an image on a print medium through reciprocations of the carriage, the apparatus comprising:
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measuring means for measuring an elapsed time from end of movement of the carriage; acquiring means for acquiring information correlated with the degree of ink stirring involved in the printing operation performed after the carriage movement has been finished; setting means for, if the elapsed time is shorter than a specified time, setting conditions for carriage movement for stirring the ink in the ink tank on the basis of the information acquired; and control means for reciprocating the carriage in accordance with the set movement conditions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An ink jet printing apparatus including a carriage on which a print head and an ink tank can be mounted, the print head being capable of ejecting ink, the ink tank supplying ink to the print head, the ink jet printing apparatus performing a printing operation of printing an image on a print medium through reciprocations of the carriage, the apparatus comprising:
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measuring means for measuring an elapsed time from end of movement of the carriage; acquiring means for acquiring information on conditions for carriage movement involved in the printing operation performed after the carriage movement has been finished; setting means for, if the elapsed time is shorter than a specified time, setting the conditions for carriage movement for stirring the ink in the ink tank on the basis of the information acquired; and control means for reciprocating the carriage in accordance with the set movement conditions after the printing operation.
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Specification