CANCELING THE CURRENTLY COMMUNICATING OR RESERVED JOBS
You can cancel a fax currently being sent or received as well as reserved faxes.
Operation
Tap the Job Status display, and tap the [Scan] tab or [Internet Fax] tab
Tap the [Job Queue] key
Tap the job that you wish to stop or delete, and then tap the [Stop/Delete] key on the action panel
To delete more than one job, check the [Enter Multi Selection Mode] box to display 
on the Action Panel.
When a screen appears that allows you to confirm that you do want to stop the job, tap the [Yes] key
- You cannot cancel a job of the received Internet fax.
- You cannot cancel a job set for transfer in FORWARDING RECEIVED DATA TO PRESET DESTINATIONS AUTOMATICALLY".