22 If double-feeding occurs, reduce the number of pages that you loadinto the scanner at one time. When scanning small size of multiple documents such as receipt, usedocuments which have the same width. Depending on paper quality, you may hear unusual noises whilescanning some documents, but this does not indicate a malfunction.Loading cardsUse the card slot when scanning plastic cards. Use the followingprocedure to scan the cards one by one.1 Open the document feed tray.2 Turn the card face up, and insert the card straight into the card slot.When the edge of the card touches the slot, the rollers will move automatically.The roller will stop when it has caught the edge of the card, allowing you to letgo of the card and start scanning from an application.The card will be fed when you start scanning with an applicationprogram. After the card has been fed completely, the rollers will turnin the opposite direction and scanning of the card will start.The scanned card will be ejected from the front card slot. The card slot is disabled when documents are placed on the feed tray.When you want to insert a card in the card slot, remove anydocuments from the feed tray. During scanning, a portion of the card will protrude from the rear cardslot at the rear of the scanner. Keep the area in front of the rear cardslot clear of objects. Embossed cards may not be scanned correctly, depending on thetype of embossment.