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Encrypting PDF files

Set a password to protect and encrypt a PDF file. Only users who have the password can open and decrypt the PDF file.

Important

  1. Press [Send File Type / Name].

    Operation panel screen illustration

  2. Check that [PDF] or [High Compression PDF] is selected.

  3. Press [Security Settings].

  4. Select [Encryption].

  5. In [Encrypt Document], select [On].

    Operation panel screen illustration

  6. In [Password], press [Enter].

    Operation panel screen illustration

  7. Enter a password, and then press [OK].

    The password entered here will be required to open the PDF file.

  8. Enter the password again, and then press [OK].

  9. In [Encryption Level], select [40 bit] or [128 bit].

  10. Press [OK] twice.

    Note

    • A document password cannot be the same as the Master password.

    • Document passwords can contain up to 32 alphanumeric characters.

    • You cannot use Adobe Acrobat Reader 3.0 or 4.0 to view PDF files that were created using [128 bit] encryption.

    • If [Low Resolution Only] is selected as the print permission, you cannot select [40 bit] as the PDF encryption level.