| US 7,567,767 B2 | ||
| Image forming apparatus and image forming process controlling method | ||
| Kazuhiko Kikuchi, Kanagawa-ken (Japan) | ||
| Assigned to Kabushiki Kaisha Toshiba, Tokyo (Japan); and Toshiba Tec Kabushiki Kaisha, Tokyo (Japan) | ||
| Filed on Jun. 19, 2007, as Appl. No. 11/764,868. | ||
| Claims priority of application No. 2006-182129 (JP), filed on Jun. 30, 2006; and application No. 2006-182130 (JP), filed on Jun. 30, 2006. | ||
| Prior Publication US 2008/0013970 A1, Jan. 17, 2008 | ||
| Int. Cl. G03G 15/00 (2006.01) | ||
| U.S. Cl. 399—82 [399/87] | 19 Claims |
| 1. An image forming apparatus to form an image on a sheet by permanent color toner and decolorizing toner to be decolorized,
comprising:
a detector unit to detect whether a predetermined identification image for indicating execution of an image forming process
by decolorizing toner is formed or not at least on either of a first side and a second side of a sheet which is a subject
of the image forming process to be executed; and
a process controlling unit to prohibit the image forming process by the permanent color toner on the sheet side on which the
predetermined identification image is detected when the identification image is detected by the detector unit.
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