Patent ID: 8649029

Claim:
A printing apparatus comprising: a first processor configured to convert print data into an image data format based on a page description language which forms the print data; a second processor configured to perform image processing for the print data of the image data format and generate data of a format interpretable by a printing unit; a reception unit configured to receive the print data sent from an external device; a determination unit configured to determine whether a format of the print data received by said reception unit is a page description language format or the image data format; a transfer control unit configured to control transferring of the print data received by said reception unit such that, if said determination unit determines that the format of the print data received by said reception unit is the page description language format, the print data is transferred to said first processor and then is transferred to said second processor after the print data is converted to the image data format by said first processor, and if said determination unit determines that the format of the print data received by said reception unit is the image data format, the print data is transferred to said second processor without being transferred to said first processor; and a transition unit configured to, when the print data is not transferred to said first processor for at least a predetermined time, shift a state of said first processor to a power saving state in which power consumption is smaller than that in a normal operation possible state, wherein said transfer control unit controls transferring of the print data received by the reception unit such that, in a case where said determination unit determines that the format of the print data received by said reception unit is the image data format when or after said transition unit has shifted the state of said first processor to the power saving state, the print data is transferred to said second processor while said first processor remains in the power saving state.