Patent ID: 8320813

Claim:
An image forming apparatus comprising: a paper feeding device that supplies paper; a reception unit that receives a print instruction including output control information in which a paper type is designated by page; a setting unit that sets a priority in paper change by paper type based on the output control information included in the print instruction received by the reception unit; an instruction unit that issues a paper change instruction based on the priority set by the setting unit; and a printing device that performs printing on paper of a type designated by the instruction unit, wherein when paper of a designated paper type is not set in the paper feeding device, the instruction unit issues an instruction to change paper of a paper type other than a paper type in higher priority than a priority of the designated paper type for the paper of the designated paper type, and wherein the setting unit sets final page information by paper type based on the output control information included in the print instruction received by the reception unit, and the instruction unit issues an instruction to handle paper of a paper type for which print processing for a final page has been completed as paper to be changed.