If you clean the print head at least five times and the print has not improved, try cleaning the print head again up to three more times.
If the print has not improved, contact Brother customer service or your local Brother dealer
- DO NOT touch the print head. Touching the print head may cause permanent damage and may void the print head's warranty.
When a print head nozzle is clogged, the printed sample looks like this.
After the print head nozzle is cleaned, the lines are gone.