| 摘要 |
An image forming apparatus capable of updating a firmware of an optional device and method thereof are provided. The image forming apparatus includes a plurality of optional devices each having firmware, and a control part to compare the firmware of each device and update each firmware of the plurality of optional devices to a newest firmware of the compared firmware. If the firmware is to be updated when the optional device is added to the image forming apparatus and the firmware of the existing optional device and the firmware of the added optional device are not the same, the firmware can be updated without requiring a download of firmware from the outside which provides more convenience for a user.
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