Method of printing document based on black optimization printing option and image forming apparatus and host device to perform the same

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;
• 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,
• wherein the color properties are relative printing values with respect to cyan, magenta, yellow, and black in regions set based on how close values of red, green, and blue are to monochrome values, and the relative printing values are weighted values based on a closeness of the values of red, green, and blue of the document to monochrome values.

A method of printing a document based on a black optimization printing option in an image forming apparatus connected to a host apparatus, the method comprising:

• receiving the document and information regarding the black optimization printing option from the host apparatus;
• 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 the document based on the received information regarding the 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 values of red, green, and blue of the received document;
• and
• printing the document by using the first color matching table or the second color matching table according to the selected method.

A method of printing a document based on a black optimization printing option in an image forming apparatus connected to a host apparatus, the method comprising:

• receiving the document and information regarding the black optimization printing option from the host apparatus;
• 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 the document based on the received information regarding the black optimization printing option;
• 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 values of red, green, and blue of the received document;
• and
• printing the document by using the first color matching table or the second color matching table according to the selected method,
• wherein the color properties are relative printing values with respect to cyan, magenta, yellow, and black in regions set based on a closeness of values of red, green, and blue to monochrome values, and the relative printing values are weighted values based on the closeness of the values of red, green, and blue of the document to monochrome values.

An image forming apparatus connectable to a host apparatus, the image forming apparatus comprising:

• a communication interface unit to receive a document to be printed and information regarding a black optimization printing option from the host apparatus;
• a generating unit to generate a second color matching table by using an existing first color matching table and color properties corresponding to red, blue, and green values of the document based on the received information regarding the 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;
• a control unit to control the image forming apparatus such that print data to which either the first color matching table or the second color matching table is applied is printed by the image forming apparatus;
• a storage unit to store the received document and the generated second color matching table;
• a selecting unit to select 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 values of red, green, and blue of the received document;
• and
• an image forming unit to print the document by using the first color matching table or the second color matching table based on the selected method.

An image forming apparatus connectable to a host apparatus, the image forming apparatus comprising:

• a communication interface unit to receive a document to be printed and information regarding a black optimization printing option from the host apparatus;
• a generating unit to generate a second color matching table by using an existing first color matching table and color properties corresponding to red, blue, and green values of the document based on the received information regarding the black optimization printing option;
• a control unit to control the image forming apparatus such that print data to which either the first color matching table or the second color matching table is applied is printed by the image forming apparatus;
• a storage unit to store the received document and the generated second color matching table;
• a selecting unit to select 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 values of red, green, and blue of the received document;
• and
• an image forming unit to print the document by using the first color matching table or the second color matching table based on the selected method,
• wherein the color properties are relative printing values with respect to cyan, magenta, yellow, and black in regions set based on a closeness of the values of red, green, and blue to monochrome values, and
• the relative printing values are weighted values based on the closeness of the values of red, green, and blue of the document to monochrome values.

A host apparatus to control an image forming apparatus supporting a black optimization printing option, the host apparatus comprising:

• a user interface unit to receive information to set the black optimization printing option by using a printer driver of the image forming apparatus;
• a processor to execute the printer driver of the image forming apparatus, to generate 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 based on the selection of the 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, and to select 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;
• and
• a communication interface unit to transmit 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.

A host apparatus to control an image forming apparatus supporting a black optimization printing option, the host apparatus comprising:

• a user interface unit to receive information to set the black optimization printing option by using a printer driver of the image forming apparatus;
• a processor to execute the printer driver of the image forming apparatus, to generate 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 based on the selection of the black optimization printing option, and to select 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;
• and
• a communication interface unit to transmit 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,
• wherein the color properties are relative printing values with respect to cyan, magenta, yellow, and black in regions set based on a closeness of the values of red, green, and blue to monochrome values, and
• the relative printing values are weighted values based on the closeness of the values of red, green, and blue of the document to monochrome values.