| 摘要 |
PURPOSE:To provide a picture forming device such as a color copying machine, etc., which is provided with an illegal copy preventing function. CONSTITUTION:When sensors 14 and 15 detects a picture on a fed recording paper, a control part 9 allows a selection signal generation circuit 8 to output a selection signal corresponding to ID information stored in an ID information memory 10. A selector 5 selects picture signals which are inputted from both masking UCR circuits 3 and 4 and subjected to respectively different picture processing by the selection signal and sends them to a printer part 6. |
