Problems with Print Quality Printing on Roll Paper Is Blurred The thermal head may be dirty. Execute thermal head cleaning. ( U “Cleaning the Thermal Head and Platen Roller” on page 76 ) Printing on Cut Sheets Is Blurry The ink head may be clogged. Execute ink head cleaning. ( U “Ink Head Cleaning” on page 77 ) Problems with Reading Quality The MICR head may be dirty. Execute MICR head cleaning. ( U “Cleaning the Paper Feeding Path” on page 77 ) The scanner glass may be dirty. Perform scanner cleaning. ( U “Cleaning the Scanner” on page 79 ) 90 Cannot Read Magnetic Ink Characters Correctly Poor Cut Sheet or ID Card Reading Quality