Check the following points

• Are you scanning documents written in lead pencil or carbon paper?

• Are the glass and rollers inside the ADF clean?

If the problem persists, check the items in Before You Contact the Scanner Service Provider first, then contact the distributor/dealer where you purchased this product. Refer to the contact information in the Contact List if supplied with this product, or refer to the contact information in the Contact for Inquiries section if provided in Safety Precautions supplied with this product, and then make an inquiry.

Are you scanning documents written in lead pencil or carbon paper?

Solution

When you scan documents written in lead pencil, make sure you clean the rollers frequently.

Otherwise, the rollers will be contaminated which may leave black traces on the document or cause feeding errors.

For details, refer to Cleaning the Inside of the Scanner (ADF) with a Cloth.

Are the glass and rollers inside the ADF clean?

Solution

Clean the dirty parts.

For details, refer to Cleaning the Inside of the Scanner (ADF) with a Cloth.