Canon imageRunner 2220i User Manual page 336

By using the Address Type drop-down list, you can restrict the type of addresses
displayed in the list.
You cannot select a one-touch button stored in a subaddress book.
If you select [All] in the Address Book drop-down list, the addresses stored in the
One-touch buttons are displayed. However, you cannot edit these addresses.
For details on how to store and edit One-touch buttons, see "Registering the
One-Touch Buttons (One-Touch Buttons)," on p. 4-67.
The current settings for the address appear.
3
Edit the address details © press [OK].
4
The screen differs depending on the Address Type you select in step 2.
You cannot change the address book of a group address, or change an address
registered as a group address.
If Access Number Management for an Address Book is set to 'On', press [Next].
Changing Address Details 4-61