Patent ID: 7684064

Claim:
A print apparatus which comprises checking means for checking whether or not a print job is a secure print job requiring an authentication process to execute a print process of the secure print job, first input means for, when the authentication process is required, prompting a user to input authentication data for the secure print job and accepting the authentication data, and print means for executing the print process of the secure print job when the authentication data input by said first input means is authenticated, or executing a print process of a print job which does not require the authentication process, comprising: second input means for, when a print process of the secure print job has been interrupted due to occurrence of a print interrupt factor which causes a print interrupt, and the print process of the secure print job is ready to be restarted due to the print interrupt factor being removed, prompting the user to input the authentication data for the secure print job before the interrupted print process is restarted, and accepting the authentication data; and control means for, when the print process of the secure print job is interrupted due to occurrence of the print interrupt factor, controlling said print means to encrypt print data of the secure print job, and for, when the print interrupt factor is removed and the authentication data input by said second input means is authenticated, controlling said print means to decrypt the encrypted print data of the secure print job and restart the interrupted print process of the secure print job by using the decrypted print data.