Patent ID: 7920534

Claim:
A wireless LAN setting system mounted on an image forming apparatus that performs network connection through a wireless LAN and used for performing wireless communication with plural terminals, the wireless LAN system comprising: an existing setting check mode for checking, prior to performing wireless LAN setting, contents already set in the image forming apparatus; a network type selection mode for selecting a network used for the wireless communication; an SSID setting mode for establishing a predetermined protocol between the image forming apparatus and the plural terminals in the wireless communication; a security mode for applying encoding to information to be communicated and performing wireless communication using a selected encryption system; and a display unit configured to switch and display a setting screen according to selection of the respective modes, wherein the existing setting check mode, the network type selection mode, the SSID setting mode, and the security mode are established by a program including information on the setting screen used for setting operation and stored in a storing unit provided in the image forming apparatus, and the setting screen used for setting operation is attached with a guide indication representing operation necessary for setting.