DS-40 User’s Guide Troubleshooting ❏ If you are using a USB connection, make sure the USB cable is securely connected to the product and your computer. ❏ If you are using the optional AC adapter, check that the electrical outlet is working. Plug another device into the electrical outlet and check that you can turn the power on. ❏ Make sure you select the correct product if a scanner list is displayed when starting to scan. ❏ If you are using a USB connection, connect the product directly to the computer’s external USB port or through one USB hub only. The product may not work properly when connected to the computer through more than one USB hub.
If the problem persists, try connecting the product directly to the computer. ❏ If you are using a USB connection and more than one product is connected to your computer it may not work. Connect only the product you want to use, and then try scanning again. ❏ If the Low battery light is on, replace the batteries with new ones. ❏ If the scanning software does not work properly, uninstall the software first and then reinstall it as described in the paper manual. & “Uninstalling Your Software” on page 35 ❏ Mac OS X: For Macintosh computers with Intel CPUs, the scanner driver you are using may not operate correctly if other Epson scanner drivers (Rosetta/PPC editions) are installed.
Remove the other drivers, and then install the scanner driver you want to use. Using the button Depending on the product, the scanning function may not be available when using the button. ❏ Check if you have assigned a program to the button. & “Assigning a Specified Scanning Setting to a Program” on page 27 ❏ Check that compatible scanning software is installed. & “Checking the software installed on your computer” on page 34 ❏ When using a wireless connection, launch Epson Scan on your computer before scanning from the product button. If you want to use Document Capture Pro or Document Capture, you need to use a USB connection. ❏ Mac OS X:
Make sure you are logged on as the user who installed the scanning software. Other users must first start Epson Scanner Monitor in the Applications folder and then press a button to scan. Using a wireless connection See the Network Guide for details on wireless connection problems. 45