You can cancel the save jobs for memory media connected via the USB port.
Remark
On the Status/Log screen, jobs for saving documents to memory media and jobs for copying documents from user inboxes are displayed. For information on canceling jobs for documents being printed from memory media, see "Basic Operations."
Press [Mail Box].
Press [Memory Media].
Select the memory media → press [Status/Log].
Press [Status] → [Cancel].
Press [Yes].
The canceled job is displayed as <NG> (No Good) on the Log screen.