Patent ID: 8593655

Claim:
A system finishing method of a host apparatus communicating with an image forming apparatus to perform a printing operation, comprising: selecting system-finishing in an operating system (OS) of the host apparatus; confirming a presence or absence of the printing operation of the host apparatus; if the printing operation of the host apparatus exists, displaying a finish selection message including an after-print system finish item; and when the after-print system finish item is selected, automatically finishing the system after completing the existing printing operation, wherein the confirming of the presence or absence of the printing operation of the host apparatus comprises confirming whether printing data are transferred from the host apparatus to the image forming apparatus, wherein the confirming of whether the printing data are transferred from the host apparatus to the image forming apparatus comprises confirming whether the printing operation is stored in a spooler to transfer the printing data to the image forming apparatus, and wherein the finish selection message is an operating system shutdown function message corresponding to a finish selection message in which the after-print system finish item is added to a basic finish selection message.