Canon LBP7018C E-Manual page 225

If you cannot click [Edit]
""Profiles" Cannot Be Selected or
3
Delete a "Profile."
(1) Select a "Profile" you want to delete.
(2) Click [Delete].
You cannot delete the default "Profiles" or a "Profile" which is being selected in the setting screen of the
printer driver.
(3) Click [Yes].
4
Click [OK].
The setting screen of the printer driver reappears.
Edited"