ImportantDo not open the Document Cover or remove the print head alignment sheet on the PlatenGlass until adjusting the print head position is completed.If the massage "Failed to scan." appears, press the OK button and confirm the following:- The Platen Glass and print head alignment sheet are not dirty.- The print head alignment sheet is placed in the correct position with the printed sidefacing down.Refer to "Troubleshooting" in the on-screen manual: Advanced Guide .NotePress the HOME button to exit the Settings menu and display the HOME screen.If the print results are still not satisfactory after adjusting the print head position asdescribed above, adjust the print head position manually from a computer.For details, refer to the on-screen manual: Advanced Guide .To print and check the current head position adjustment values, select Head alignment printin the Maintenance menu.Page topPage 110 of 949 pagesAligning the Print Head