Seiko Epson Corporation

Yasushi Otaki

Osamu Azami

Shinji Nozawa

Ryoji Tamaoki

Yasuyoshi Fujimori

The printing control apparatus compares, when printing a bit image, a data set of a transmitted compressed image data to a data set of an untransmitted compressed image data, omits transmission of the data set in the subsequent compressed image data when the data sets coincide with each other, and notifies the printing apparatus that transmission of the data set has been omitted with setting in a printing command. The printing apparatus holds the compressed image data in which the data set has been omitted, and, when it is notified that transmission of the part of the data set has been omitted, generates the bit image by reusing a part of the already existing data set and developing the held compressed image data.

Printing system, printing control apparatus, printing apparatus and method for generating a band compressed image data and print command includes selection of omitting untransmitted data set

A printing apparatus including one or more feeding units includes: a sheet size determining unit which determines a sheet size of a sheet, on which print data are printed, in predetermined order; a print control unit which stores a designated size, which is the sheet size determined by the sheet size determining unit, in a storage unit; a feeding unit selector which selects the feeding unit on the basis of the designated size; and a process selection information storing unit which stores process selection information used to designate a process executed by the print control unit.

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Nagano, Japan

Yasushi Otaki