| 摘要 |
PROBLEM TO BE SOLVED: To shorten actual processing time without wasting the resources of a computer used by a user not by directly overlaying an overlay data on the printing data of the user. SOLUTION: By judging whether it is the overlay data or normal printing data (S303) and individually performing a rendering processing (S304 and S305), the number of times of the processings is made minimum. By overlaying the data based on whether or not to execute the overlay printing (S308 and S309), the processing burdens of the printing data are reduced and the processing time is shortened.
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