> Solving Problems > Printing, Copying, Scanning, and Faxing Quality is Poor > The Quality of the Sent Fax is Poor > Straight Lines Appear when Sending Faxes from the ADF > There is dust or dirt on the ADF or originals.

There is dust or dirt on the ADF or originals.

Clean the ADF, and remove any dust or dirt that adheres to the originals.

ET-16600 / L15150 Series