Interrupt Printing of Received Jobs
This mode enables you to prioritize printing of received fax and I-fax jobs.
If you are using the imageRUNNER ADVANCE C350i/C250i, optional products are required to use the Fax function. For information on the optional products required to use this function, see "Optional Products Required for Each Function."
1.
Press 
(Settings/Registration).
(Settings/Registration).2.
Press [Function Settings] → [Receive/Forward] → [Common Settings].
3.
Press [Interrupt and Print RX Jobs] → [On] → [OK].
Select [Off] if you do not want to perform interrupt printing for received jobs.