Patent ID: 8294935
Filing Date: 2012-10-23
Classification: G06F,H04N

Abstract:
1. An image forming apparatus connectable to a host device using a printer driver to convert documents into printing data files including print control instructions and transmitting the printing data files to the image forming apparatus, the image forming apparatus comprising: a communication interface to receive the printing data files from the host device; a storage unit to store image data files according to the print control instructions of the printing data files received from the host device, each image data file containing one or more pages of data to be printed and excluding print control instructions; a user interface unit operable to display a job-selecting window listing at least one image data file excluding print control instructions stored in the storage unit and to enable a user to select the at least one image data file to be edited from the list of files displayed in the job-selecting window, the user interface unit further operable to display a job-editing window displaying at least a portion of the selected image data file to edit the selected file, wherein the job-editing window displays each page of the selected image data file separately, a control unit to perform a merging operation and to edit the selected image data file in image data format according to user instructions received via the user interface unit; and a print unit to print the edited file on sheets of paper according to print instructions, wherein the merging operation to merge pages of the selected image data files is performed while the selected image data files exist in the image data format that excludes print control instructions.