User's Guide Solving Problems ❏ If the ejected originals get stuck in the output tray, store the output tray and do not use it. Related Information & “Cleaning Inside the Scanner” on page 73 The Originals Get Dirty Clean the inside of the scanner. Related Information & “Cleaning Inside the Scanner” on page 73 Scanning Speed Slows Down when Scanning Continuously When scanning continuously using the ADF, scanning slows down to prevent the scanner mechanism from overheating and being damaged. However, you can continue scanning. To regain normal scanning speed, leave the scanner idle for at least 30 minutes. Scanning speed does not recover even if the power is off.
Scanning Takes a Long Time ❏ When the resolution is high, scanning may take some time. ❏ Computers with USB 3.0 (SuperSpeed) or USB 2.0 (Hi-Speed) ports can scan faster than those with USB 1.1 ports. If you are using a USB 3.0 or USB 2.0 port with the scanner, make sure it meets the system requirements. ❏ When using security software, exclude the TWAIN.log file from monitoring, or set the TWAIN.log as a read- only file. For more information on your security software’s functions, see the help and so on supplied with the software. The TWAIN.log file is saved in the following locations.
C:\Users\(user name)\AppData\Local\Temp Scanned Image Problems Straight Lines Appear when Scanning from ADF ❏ Clean the ADF. Straight lines may appear in the image when trash or dirt gets into the ADF. ❏ Remove any trash or dirt that adheres to the original. Related Information & “Cleaning Inside the Scanner” on page 73 91