Patent ID: 7092111

Claim:
An information processing apparatus for forming print data to be print-processed by a printer, comprising: designation receiving means for receiving designation of a duplex printing; discriminating means for discriminating the number of pages in the case where data to be printed has been arranged on a recording paper; and command adding means for, in the case where the designation of the duplex printing is received by said designation receiving means and it is determined by said discriminating means that the number of pages of said recording paper on which the data to be printed has been arranged is equal to an odd number, adding a command to urge a forced paper ejection in said printer lest a blank page of a last page is logically counted in the printer, wherein the command to urge the forced paper ejection which is added by said command adding means is a paper designating command to designate a paper size different from a paper size designated by the printing process at present.