Skip header
 

Security settings for PDF files

Use security settings to prevent unauthorized access to PDF files.

Important

  • Security settings can be made for PDF and High Compression PDF files only.

Encrypting PDF files

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

Important

  • Encryption is possible only for scan files that are sent by e-mail or Scan to Folder and saved on a memory storage device.

  • You cannot open an encrypted file without a document password. Make sure you do not forget the file's password.

1Press [Send File Type / Name].

Operation panel screen illustration

2Press [PDF].

If necessary, select [High Compression PDF].

3Press [Security Settings].

4Select [Encryption] tab.

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

6Press [Enter].

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

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

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

9In [Encryption Level], select [40 bit RC4], [128 bit RC4], [128 bit AES] or [256 bit AES].

10Press [OK] twice.

Note

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

  • Document passwords can contain up to 32 characters.

  • You cannot use Adobe Acrobat Reader 3.0 or 4.0 to view PDF files that were created using [128 bit RC4] encryption.

  • PDF files created using [128 bit AES] encryption can be viewed only with Adobe Reader 7.0 or later.

  • PDF files created using [256 bit AES] encryption can be viewed only with Adobe Reader 9.0 or later.

  • If [Low Resolution Only] is selected as the print permission, you cannot select [40 bit RC4] as the PDF encryption level.

Changing security permissions for PDF files

Set a master password to restrict unauthorized printing, changing, copying, or extracting of a PDF file's content. Only users who have the master password can reset or change these restrictions.

Important

  • You cannot reset or change a file's restriction settings without the master password. Write down the master password and keep it secure.

1Press [Send File Type / Name].

Operation panel screen illustration

2Press [PDF].

If necessary, select [High Compression PDF].

3Press [Security Settings].

4Select the [Permissions] tab.

5In [Master Password], select [Set].

6In [Password], press [Enter].

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

The password entered here will be required to change the security settings of the PDF file.

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

9Select the security permission setting.

Operation panel screen illustration

You can specify the following security settings:

  • Print permission: [Prohibit], [Allow], or [Low Resolution Only]

  • Editing permission: [Prohibit] or [Allow]

  • Copying or extracting content permission: [Prohibit] or [Allow]

10Press [OK] twice.

Note

  • The master password cannot be the same as a document password.

  • Master passwords can contain up to 32 characters.

  • If [40 bit RC4] is selected as the PDF encryption level, you cannot select [Low Resolution Only] as the print permission.