PRINTING APPARATUS AND DATA TRANSFER METHOD

摘要

According to an embodiment of this invention, the following data transfer between a printhead and a printing apparatus is performed. That is, a priority is set for each of a plurality of data to transfer the plurality of data. Print timings of the printhead are generated in accordance with a relative moving speed between the printhead and a print medium, and the print resolution of the printhead. Data to be transferred to the printhead in an interval between the generated print timing and the next print timing following the print timing are selected from the plurality of data based on the interval, the data length of each of the plurality of data, and the set priorities. The selected data are transferred to the printhead.

主权项

1. A printing apparatus which causes a printhead to print on a print medium by transferring a plurality of data to the printhead and driving the printhead while moving the printhead and the print medium relatively to each other, the apparatus comprising:
a setting unit configured to set a priority for each of the plurality of data to transfer the plurality of data; a generation unit configured to generate print timings of the printhead in accordance with (1) a moving speed of the printhead or the print medium and (2) a print resolution of the printhead; a selection unit configured to select, from the plurality of data, data to be transferred to the printhead in an interval between a print timing generated by the generation unit and a next print timing following the print timing, based on the interval, a data length of each of the plurality of data, and priorities set by the setting unit; and a transfer unit configured to transfer data selected by the selection unit to the printhead.