Display the initial printer screen.
When using the standard operation panel
Press the [Home] key on the control panel.
Press the [Printer] icon on the screen.
If the [Printer] icon does not appear, press the icon at the upper right corner of the screen to switch to the menu screen.
When using the Smart Operation Panel
Press [Home] () at the bottom of the screen in the center.
Press the [Printer (Classic)] icon on the [Home] screen.
Press [Job Reset] or [Stop] key.
Press [Cancel Printing] to cancel the current print job, or [Cancel All Jobs] to cancel all jobs.
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 [Job Reset] or [Stop] key on the control panel.