You can interrupt the current print job and execute another job that has been received.
However, you cannot interrupt a new job from the computer.
Press the 
button on the printer's control panel while printing.
Printing is interrupted and the printer enters interruption mode.
Select Job/Status on the home screen.
Select the Job tab, and then select the job you want to interrupt from the Active list.
Select Details to display the Job Details.
Select Interrupt on the screen displayed.
The print job you selected is executed.
To restart a paused job, press the button again to exit interruption mode. Also, when no operations are performed for a specific length of time after interrupting the print job, the printer exits interruption mode.