Patent ID: 8576453

Claim:
A method of controlling an image forming apparatus supporting a black optimization printing option in a host apparatus, the method comprising: executing a printer driver of the image forming apparatus; setting the black optimization printing option in a user interface of the executed printer driver; generating a second color matching table by using an existing first color matching table and color properties corresponding to red, blue, and green values of a document to be printed based on the set black optimization printing option, the second color matching table adjusting the values of color in the document relative to the value of black in the document, based on how close the values of red, green, and blue of the document are to monochrome values; selecting a first printing method to print the document by using the first color matching table or a second printing method to print the document by using the second color matching table, based on the red, green, and blue values of the document; and transmitting the document and print data of the document to which a color matching table corresponding to the selected printing method is applied to the image forming apparatus.