To fix a print quality issue on your printer, follow these instructions:

1. Ensure the printer is connected properly.
2. Check for 3rd party software conflicts.
3. Print using the internal printer setting to avoid external conflicts.
4. Attempt to print from an alternative application to test the issue.
5. Check for any firmware updates.
6. Try another print job and see if the same issue still persists.
7. Clean the print head.
8. Check for worn parts and replace, if necessary.