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 message "Failed to scan the head alignment sheet" appears, press the OK button.Refer to "Troubleshooting" in the on-screen manual: Advanced Guide .NoteIf 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 Print head alignvalue in the Maintenance menu.Page topPage 115 of 973 pagesAligning the Print Head