Patent ID: 6068359
Filing Date: 2000-05-30
Classification: G06K

Abstract:
A printing apparatus which includes formatter means for receiving print data from an external unit and generating print image data, and print means for receiving the print image data from said formatter means and printing the data on a recording medium, and performs a print operation by using a line-type printhead, comprising:request signal generation means for generating a request signal for requesting transmission of print image data for one line from said print means to said formatter means;enable signal output means for outputting an enable signal for designating transfer of data for one page from said formatter means to said print means in response to the request signal generated by said request signal generation means;transfer clock output means for outputting a clock signal, from said print means for requesting transfer of print image data to said formatter means in accordance with the enable signal outputted by said enable signal output means;first transfer means for transferring the print image data from said formatter means to said print means in synchronism with the clock signal output from said transfer clock output means; andsecond transfer means for transferring the print image data transferred by said first transfer means to said printhead,wherein said print means includes said request signal generating means, said transfer clock output means and said second transfer means, andsaid formatter means includes said enable signal output means and said first transfer means.