Printing Apparatus and Printing Control Method for Determining Whether and Where to Print a Watermark Relative to Print Data

摘要

A printing apparatus in which watermark data is stored and a printing control method that controls whether or not the watermark is to be printed on a receipt superimposed with specific print data received from a host apparatus. When it is determined that the watermark is not to be printed over the specific print data, a controller determines where on the receipt the specific print data is to be printed to avoid the watermark.

主权项

1. A printing control method for a printing apparatus capable of printing a watermark on a receipt superimposed with print data, including the steps of:
selecting whether to avoid printing the watermark over specific print data based on a specific command; identifying the specific print data based on the specific command; identifying a specific printing area where the specific print data is to be printed when avoidance of printing the watermark over the specific print data is selected; and printing the watermark on the receipt avoiding the specific printing area.