The thread or embroidery is dirty or has dull colors October 11, 2022 12:34 Updated Check the Washing Fluid, replace if dirty. Clean the Contact fixation. Watch the cleaning lesson at Coloreel Academy Not the information you are looking for? Try a new search using other words. Need more help? Our support team is here to help you. File a new support request using a link from the Coloreel Support Center at support.coloreel.com/hc and our support team will get back to you.