Patent ID: 7362457

Claim:
A printer comprising: a job request section for sending a job request for demanding job data of a print job to a host computer; a printing section for receiving and printing said job data sent from said host computer in response to a print request from said job request section; a print engine; and a receive buffer memory, wherein said job request section sends said job request to said host computer, according to a condition of said print engine and said receive buffer memory, wherein said job request section receives job location data showing a location of said job data from a print server, wherein said job request section sends said job request to said host computer which said job location data shows, wherein said job request section can specify a part of said job data for said host computer when said job request section sends said job request, wherein said printing section receives only said specified part of said job data sent from said host computer in response to said print request from said job request section and prints it, and wherein said specified part of said job data comprises a portion of plural data forming a page of said print job.