| 摘要 |
A printing device includes a receiving means receiving image data, a printing means transferring printing agent onto a sheet so as to form an image according to the image data received, a printing ratio determining means determining, based upon the image data, a printing ratio that is a ratio of an area to be filled with the printing agent on the sheet to a whole area of the sheet, a first determining means determining whether the printing ratio determined is equal to or more than a first predetermined value that is a printing ratio at less than which the sheet is classified into a recyclable sheet when the printing agent is transferred onto the sheet, and a control means controlling the printing means to transfer the printing agent onto the sheet depending on the determination by the first determining means.
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