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4 Scan
[File Format - PDF Security] Screen
This screen allows you to encrypt a PDF file with a password, and assign the access
privileges for the file operation.
1
Select any option.
Off
The file is not encrypted, and no access privilege is assigned.
Password
Encrypts the file using a password.
Encryption Algorithm
Allows you to specify the encryption method.
4
128-bit RC4
Encrypts the file by the 128-bit RC4 method. Files encrypted by this method can be
opened with Adobe
Important • When the 128-bit RC4 method is used to encrypt a file, and [PDF Signature] is selected, files
128-bit AES
Encrypts the file by the 128-bit AES method. Files encrypted by this method can be
opened with Adobe
Supported Version
Displays the supported versions of Adobe
File Open Password
Displays the [PDF Security - File Open Password] screen.
If you select [On] and set a password, the password is required to open the file.
You can enter a password with up to 32 characters.
Permissions
Displays the [PDF Security - Permissions] screen.
Refer to "[PDF Security - Permissions] Screen" (P.163).
162
®
®
Acrobat
5.0 or later.
can be opened only with Adobe
®
®
Acrobat
7.0 or later.
®
®
Acrobat
6.0 or later.
®
®
Acrobat
for encryption.
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