| 20090128845 | IMAGE FORMING APPARATUS AND PDF DOCUMENT DIRECT PRINTING METHOD THEREOF - A PDF (portable document format) document direct printing method of an image forming apparatus having a memory, the method includes comparing a size of the PDF document with an available capacity of the memory; transmitting the PDF document that is larger than the available capacity of the memory to at least one external device if a determination is made that the size of the PDF document is larger than the available capacity of the memory; receiving the PDF document from the external device, and forming an image corresponding to the received PDF format. | 05-21-2009 |