Image forming system and image forming apparatus configured to transmit adjustment item data

An image forming system, comprising:

• an image forming apparatus configured to perform an action according to setting values of plural setting items;
• a mobile terminal apparatus capable of communicating with the image forming apparatus through near field wireless communication;
• and
• a management server configured to transmit a setting reference value set of the plural setting items to the mobile terminal apparatus, without communicating with the image forming apparatus;
• wherein the mobile terminal apparatus receives the setting reference value set for the image forming apparatus from the management server, and transmits the received setting reference value set to the image forming apparatus using the near field wireless communication;
• the image forming apparatus receives the setting reference value set from the mobile terminal apparatus through the near field wireless communication, and upon receiving the setting reference value set, (a) determines current setting values of the plural setting items, (b) determines a setting item of which the current setting value is different from a setting value in the setting reference value set, and (c) transmits adjustment item data through the near field wireless communication to the mobile terminal apparatus, the adjustment item data indicating (c1) the determined setting item, and (c2) the setting value in the setting reference value set and the current setting value with regard to the determined setting item;
• the mobile terminal apparatus receives the adjustment item data through the near field wireless communication from the image forming apparatus, and upon receiving the adjustment item data, (a) displays the received adjustment item data, and (b) transmits an adjustment instruction through the near field wireless communication to the image forming apparatus in accordance with a user operation, the adjustment instruction indicating a setting value of a setting item specified by a user in the adjustment item data;
• and
• the image forming apparatus receives the adjustment instruction through the near field wireless communication from the mobile terminal apparatus, and upon receiving the adjustment instruction, changes a setting value of the setting item specified by the received adjustment instruction, with the setting value specified by the received adjustment instruction.