Canon imageCLASS MF4140 Basic Manual page 70

7
[OK]
7
Press [ ] or [
[Clear] to delete it.
To delete all numbers, press and hold [Clear].
8
Enter a new number with the numeric keys, then press [OK].
9
Press [Stop/Reset] to return to the standby mode.
] repeatedly to go to the wrong number, then press
8
9
4-18