Mounting state informing apparatus and mounting state informing method

A mounting state informing apparatus, comprising:

• a database configured to store therein information upon a mounting position and a direction of each of multiple components belonging to a processing apparatus;
• an acquisition unit configured to acquire first appearance data indicating a state of an appearance of the processing apparatus, the first appearance data being obtained by a 3D scanner;
• a first specifying unit configured to identify the multiple components belonging to the processing apparatus based on the first appearance data and configured to specify a mounting position and a direction of each of the identified components;
• a comparison unit configured to compare the specified mounting position and the specified direction of each of the identified components with the information upon the mounting position and the direction of the corresponding component stored in the database;
• and
• an output unit configured to output to a display a comparison result obtained by the comparison unit in the form of an image having a color or concentration according to the degree of the results.