| 摘要 |
In accordance with an embodiment, a marking apparatus, configured in an image forming apparatus for forming an image on a sheet by using a fadable record material which is faded when the heat with a specified fading temperature is applied, and to mark a marker at a specified position of the sheet comprises a marking record material configured to color when the heat in a first temperature range is applied, fade the color when the heat in a second temperature range lower than the first temperature range is applied, and have the reversibility of alternately carrying out color-fading and coloring, a marker printing unit configured to print the marker at the specified position of the sheet by using the marking record material and a heating unit configured to heat the marker in the second temperature range.
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