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.
Using Glass Dirt Detection feature, alert message appears when dirt is detected on the scanner glass.
Select Settings on the home screen > Scanner Settings > Glass Dirt Detection, and then select On-Low or On-High.
When an alert is displayed, clean the glass surfaces inside your scanner using a genuine Epson cleaning kit or a soft cloth.
Depending on the dirt, it may not be detected correctly.
If the detection does not work correctly, change the setting.
Select On-High if the dirt is not detected. Select On-Low or Off if the alert is displayed by a misdetection.