The machine can add the following two types of digital signatures to PDF or XPS files. This section describes the procedures for specifying and confirming the settings necessary for adding digital signatures to PDF or XPS files using the control panel of the machine. For instructions on adding digital signatures to PDF or XPS files, see "Adding a Digital Signature to a PDF or XPS" and "Installing a Certificate File."

For information on the optional products required to use these functions, see "Optional Products Required for Each Function."

Enables the recipient to identify the device that scanned the document. To add a device signature to a PDF or XPS file, set a key pair and device certificate. (See "Setting/Confirming a Key Pair and Device Certificate.")

Enables the recipient to identify the user who signed the document. You can add a user signature if authentication by User Authentication is set. To add a user signature to a PDF or XPS file, it is necessary to install a key pair and user certificate in the machine from a computer. (See "Installing a Certificate File.") You can confirm the installed key pair and user certificate using the control panel of the machine. (See "Confirming a Key Pair and User Certificate.")