Canon CLC5151 Reference Manual page 504

Address Book
Settings
9
* One-touch Button Name can be entered only when you are setting the One-touch Buttons.
9-20
Number of Enterable Characters and Capacity of Various Functions
Additional Functions
E-mail Name
One-touch Button Name* 12 characters maximum
E-mail Address
I-Fax Name
One-touch Button Name* 12 characters maximum
I-Fax Address
Standard Field 1
Standard Field 2
Fax Name
One-touch Button Name* 12 characters maximum
Fax Number
Subaddress
Password
File Name
One-touch Button Name* 12 characters maximum
Host Name
File Path
User
Password
Group Name
One-touch Button Name* 12 characters maximum
24 characters maximum
128 characters maximum
24 characters maximum
128 characters maximum
40 characters maximum
16 characters maximum
24 characters maximum
120 digits maximum
20 digits maximum
20 digits maximum
24 characters maximum
128 characters maximum
128 characters maximum
FTP, IPX: 24 characters
maximum
SMB: 128 characters
maximum
FTP, IPX: 24 characters
maximum
SMB: 14 characters
maximum
24 characters maximum