Canon imageFORMULA ScanFront 400 Instruction Manual - Page 97
Security Settings for PDF Files, Encryption Level, Requires a password to open the document
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Page 97 highlights
❏ Security Settings for PDF Files Apply security to the PDF file. Encryption Level High (128-bit RC4) and low (40-bit RC4) level settings are available. IMPORTANT Using the High (128-bit RC4) level setting is recommended. The Low (40-bit RC4) level setting provides less security. Requires a password to open the document Viewing of the document is restricted by a password. IMPORTANT Take care not to forget the password once it is set. If you forget the password, the document can no longer be opened. Chapter 4 Operating Procedures Use permissions password to restrict editing security settings The following settings are restricted by the permissions password. • Printing allowed This permits printing of the PDF file with a printer. • Changes allowed This permits editing of the PDF file; for example, adding and deleting pages. • Enable copying of text, images, and accessibility. This enables the copying of text information embedded with OCR software and reading of the PDF file with voice software. IMPORTANT • Password protection is recommended when the permissions of the PDF file are restricted. • You can change the permissions and cancel password protection for a password protected PDF file in an application capable of editing PDF files such as Adobe Acrobat. 97
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