There are several causes for a loud knocking or banging sound to occur. This article provides you recommendations with links to stop this from happening.

To stop this noise, click on the link to open the article and get detailed instructions.

• Packing material was left inside the printer.
   
• An ink tank(s) is not seated properly.
   
• Paper is jammed or there is an object inside the printer.
   
• The encoder film/strip may need to be cleaned.
   
• If the above recommendations do not help you resolve the error, the printer will need to be repaired.