Patent ID: 8625115

Claim:
A print data processing method of an image forming apparatus that has a storage unit, the method comprising: setting at least one print speed enhancing mode; performing a pre-processing corresponding to the set print speed enhancing mode; and processing the print data by using a result of the pre-processing without generating information for printing the print data if a print command is received, wherein the result of the pre-processing comprises at least one information relating to color correction and/or color conversion; wherein setting at least one print speed enhancing mode comprises selecting from a plurality of selection items based on a type of data to be processed; wherein the pre-processing extracts color information, pattern information and destination from the data to be processed; wherein the performing of the pre-processing comprises performing the pre-processing according to a determined capacity of the storage unit; wherein the setting of the print speed enhancing mode further comprises displaying at least one of a necessary capacity of the storage unit to perform the print speed enhancing mode and/or an available capacity of the storage unit.