Press [Home] () at the bottom of the screen in the center.
Press the [Printer] icon.
Press [Stop].
Press [Cancel Printing] to cancel the current print job.
Press [Yes] to cancel the print job.
Set [I/O Timeout] in the [Host Interface] tab under [Printer Features] to a larger value, if printing resumes from the middle of a print job even after the printing has been canceled.
To stop a large print job, you should cancel the print job on the client computer in addition to pressing [Stop] on the control panel.