Patent ID: 7158243

Claim:
A printing apparatus which receives print job data from a host computer and prints, on a recording medium, an image on the basis of the received print job data, the host computer, upon receipt of a notification of print cancellation from said printing apparatus during generating and outputting of the print job data to said printing apparatus, stopping generation of the print data and outputting predetermined data indicating end of the print job to said printing apparatus, said printing apparatus comprising: instruction means for issuing a print cancel instruction; notification means for, in response to the print cancel instruction by said instruction means, stopping a current printing process and notifying the host computer of print cancellation, to cause the host computer to stop generation of print data and to output the predetermined data indicating end of the print job; and processing means for, after issuance of the print cancel instruction by said instruction means, deleting the print data received until the predetermined data will be received from the host computer.