If you want to cancel copying immediately after selecting <Start>, select <Cancel> on the screen or press on the operation panel. You can also cancel copying after checking the copy status.
Select <Cancel> on the Screen That is Displayed While Copying
Press to Cancel
If the Screen Displays a List of Documents When is Pressed
Originals have been scanned and are waiting to be printed. Select a copy document to be canceled, and select <Cancel> <Yes>.
Check the copy job status before canceling
<Status Monitor> <Copy/Print Job> Select the copy document in the <Copy/Print Job Status> tab <Cancel> <Yes>
on the operation panel. You can also cancel copying after checking the copy status.
Select <Cancel> on the Screen That is Displayed While Copying
If the Screen Displays a List of Documents When 
<Yes>.