DATA PROCESSING METHOD FOR PRINTER

摘要

PROBLEM TO BE SOLVED: To further enhance quality (image quality) of a print image by making optimization easy when performing gradation expression of a halftone image.SOLUTION: In performing printing by a printer 1 integrally including a scanner part 2 for acquiring image data Dv by scanning a manuscript for printing Ps, data processing method for a printer includes: a paper information reading step of reading paper information INp by predetermined ID tag reading means 4 from an ID tag 3 attached to a recording paper roll Rp preset to the printer 1; a first correction step of acquiring correction image data Dva by performing correction processing of the image data Dv acquired from the scanner part 2 based on the paper information Dp; a print data generation step of performing generation processing of the print data Dp based on the correction image data Dva; and a second correction step of acquiring correction print data Dpa for printing the print data Dp on recording paper Pr from the recording paper roll Rp by performing correction processing based on the paper information Np.