Data processing device for a video camera-recorder with integrated printer, and method for operating the printer

A camera-integrated VTR system including a printer embodying a data processing device of the invention is provided, wherein various external data supplied from an external device and internal data generated or recorded internally are enabled to be exchanged selectively, easily and directly between respective components of the system without use of any additional component therebetween so as to be printed instantaneously. The printer of the camera-integrated VTR system comprises a picture display device; a memory device for storing a still picture displayed on the picture display device; and a print operation button for operating the printer, wherein the print operation button is a pushbutton switch which has two modes of states of a half-depressed mode and a full-depressed mode; and wherein the half-depressed mode of the print operation button allows for a portion of pictures displayed on the display device to be selected as a print picture and stored in the memory device; and the full-depressed mode of the print operation button allows to start printing of the print picture.