User’s Guide Troubleshooting for Scanning Multiple sheets of paper are fed ❏ If you load unsupported paper, the product may feed more than one sheet of paper at a time. & “Automatic Document Feeder (ADF) specifications” on page 105 ❏ You may need to clean the product. & “Cleaning the Product” on page 73 The paper jams in the Automatic Document Feeder (ADF) Remove the jammed paper inside the ADF. & “Removing jammed paper from the Automatic Document Feeder (ADF)” on page 85 Problems With Scanning Time ❏ Computers with Hi-Speed external USB ports can scan faster than those with external USB ports.
If you are using a Hi-Speed external USB port with your product, make sure it meets the system requirements. & “System Requirements” on page 102 ❏ Scanning at a high resolution takes a long time. Problems With Scanned Images Scan quality is unsatisfactory Scan quality can be improved by changing the current settings or adjusting the scanned image. & “Image Adjustment Features” on page 41 An image on the back of your original appears in your scanned image If your original is printed on thin paper, images on the back may be visible to the product and appear in your scanned image. Try scanning the original with a piece of black paper placed on the back of it.
Also make sure the Document Type and Image Type settings are correct for your original. Characters are distorted or blurred ❏ In Office Mode or Home Mode, select the Text Enhancement check box. 99