Image Processing Apparatus and Image Processing System

An image processing system comprising:

• an image processing apparatus configured to be connected with a server and execute a job, the job including image processing;
• and
• the server configured to store user information for identifying a user,
• wherein the image processing apparatus is configured to receive authentication information of a user,
• wherein the image processing apparatus is configured to transmit the received authentication information to the server,
• wherein the image processing apparatus is configured to execute a specific operation after receiving the authentication information, the specific operation being a part of the job,
• wherein the server is configured to perform user authentication by using the transmitted authentication information,
• wherein the image processing apparatus is configured to receive a result of the user authentication from the server after executing the specific operation,
• wherein the image processing apparatus is configured to determine whether the user authentication by the server has been successful in accordance with the received result, and
• wherein the image processing apparatus is configured to execute the rest of the job after completing the specific operation and determining that the user authentication has been successful.