Canon PIXMA MP280 On-Screen Manual - Page 398

Setting Passwords for PDF Files Page 398 of 707 pages The Password Security -Settings dialog box opens. Setting Passwords for Existing Files 1. In the View & Use window, select image/PDF files and click PDF. 2. Click Create/Edit PDF file on the list. Creating/Editing PDF Files 3. Edit files in the Create/Edit PDF file window, then click Save Selected Pages or Save All Pages. The Save as PDF file dialog box opens. 4. Select the Password security settings checkbox. The Password Security -Settings dialog box opens. Note You can also open the Password Security -Settings dialog box by clicking Set..., then selecting Password Security for Security in the PDF Settings dialog box. 2. Select the Require a password to open the document or Use a password to restrict printing and editing of the document and its security settings checkbox, then enter a password.