Patent ID: 7428068

Claim:
A printing system which includes a printer and a computer each including a communication interface for transferring information therebetween, wherein said printer comprises: an operation panel for entering a store instruction and a print instruction of image data to be read out from a memory readable by said printer, said operation panel entering a select instruction and a delete instruction for data stored in said computer in accordance with the storage information; an operation panel controller for notifying the instruction entered from said operation panel to said computer by generating an interrupt event and notifying said computer of the generated interrupt event in an interrupt transfer method, said operation panel controller generating delete request information corresponding to the delete instruction from said operation panel and issuing the interrupt event of the generated information to said computer; and a printer engine for printing, wherein said computer comprises: a data transfer unit for transferring and receiving, in a bulk transfer method, an image and print data to and from said printer; an interrupt controller for detecting the interrupt event notified from said printer in the interrupt transfer method; a storage control unit for storing data from said memory into a storage area in accordance with the interrupt event detected by said interrupt controller; and an output control unit for outputting as print data the data stored in said storage area to said printer in accordance with said notified interrupt event.