Image forming apparatus storing print data in user terminal or storage part according to storage condition

An image forming apparatus comprising:

• a controller consisting of a CPU;
• a communication part which receives print data from a user terminal through a network;
• and
• a storage part which stores the print data received by the communication part;
• the controller executes a program stored in the storage part to function as:
• a free space determination part which determines that the storage part contains a free space for storing the print data, as a first storage condition;
• a confidential document determination part which determines that the print data is not a confidential document, as a second storage condition;
• and
• a storage processing part which stores the print data in the storage part in association with user information of the user terminal when the first storage condition and the second storage condition are satisfied, and communicates with the user terminal and stores the print data in the user terminal when the first storage condition is not satisfied or when the second storage condition is not satisfied.