Patent ID: 6654134
Filing Date: 2003-11-25
Classification: G06F,G06K

Abstract:
A print data output method comprising:a generating step of generating print data of a plurality of pages based on document information; a storing step of storing the generated print data; an outputting step of outputting the stored print data with an instruction for duplex printing to a printer such that all print data of either one of even and odd pages in the plurality of pages are printed on one side of at least one recording medium and then all print data of the other of the even and odd pages are printed on the other side of the at least one recording medium; a detecting step of detecting a jam of a recording medium in printing the output print data; an obtaining step of obtaining a page number for the recording medium of which said detecting step detected jam; and a resending step of resending print data if it is discriminated from the obtained page number that print data have been printed on one side of the recording medium for the page number resending the print data that have been already output to the printer thereby causing the resent print data to be printed on a recording medium for which no print data have been printed on either side.