Ricoh 4016 Series - Manual (Page 157)

A UTOMATIC D IALLING 4.4
Using the One-Touch Sheet
A one-touch sheet is included with your machine. Once you
store numbers in one-touch dial buttons, make a note of the
numbers on the sheet to remind you which number is stored in
each button.
1 Remove the clear cover and sheet.
2 Write information on the sheet.
You may write with a use pencil in case you wish to change
these numbers later.
3 Replace the sheet and clear cover.