Image forming apparatus and method for controlling the log-off of user

An image forming apparatus, comprising:

• an acquisition unit configured to acquire information for identifying a user;
• a log-in unit configured to allow the user to log in the image forming apparatus when the acquisition unit acquires the information for identifying the user;
• a log-off unit configured to cause the user who has been logged in by the log-in unit to log off from the image forming apparatus after a first predetermined time period elapses;
• a determination unit configured to determine whether a secure printing job to be performed based on the information for identifying the user acquired by the acquisition unit is present in the image forming apparatus;
• and
• a control unit configured to control the log-off unit to cause the user to log off from the image forming apparatus within a second predetermined time period which is shorter than the first predetermined period time, when the determination unit determines that the secure printing job is present in the image forming apparatus.