TOP > Troubleshooting > A Part of the Printout Is Dirty and Black Streaks Appear A Part of the Printout Is Dirty and Black Streaks Appear What to check Countermeasure Are the print head and media sensor dirty or is there a label attached to them? Clean the print head and media sensor. Cleaning the Inside of the Product Cleaning the Inside of the Product (for Linerless Models) After that, perform a test print with the product. In Offline mode, open the Settings mode, and execute the [Tools] > [Test Print] menu. Test Print Is the media loaded correctly? Load the media correctly. Loading Media Contact your SATO technical support if the error cannot be resolved. Contact Information for When You Are in Trouble Back to top