Canon H12157 - Manual (Page 132)

5-20 Speed Dialing Chapter 5
13. To change additional numbers and/or names, press
Data Registration and repeat steps 7 to 12.
-or-
If you have finished changing numbers and/or names, press Stop to
return to standby mode.
Stop
1 2 / 3 1 / 2 0 0 1 M O N 1 0 : 0 0
F a x T e l
S T A N D A R D