Canon imageCLASS D1650 All-in-One Monochrome Laser Printer - Manual (Page 499)

<Acrobat 10.0 or Equivalent>
<Menu> <Function Settings> <Common> <Generate File> <256-bit AES Set. (Encrypt.
PDF)> Select <Acrobat 9.0 or Equivalent> or <Acrobat 10.0 or Equivalent>
<Fax Setup Guide> *1*2
Select to display on-screen instructions for specifying settings, including the fax number and the RX mode.
Configuring Initial Settings for Fax Functions(P. 80)
Setting Menu List
491