User guide Care and maintenance107Cleaning the platenRemove the ribbon. Clean the printer bar cau-tiously with an alcohol-based cleaning agent.Remove dustcarefully from the platen.Avoid touching parts and compon-ents in the printer interior.Ribbon Check whether the ribbon is worn or damaged. The ribbon must bereplaced if it is frayed, see Changing the ribbon cassette (page 10)and Error messages via the display (page 101).Cleaning the upper frictionClean the rollers of the upper friction as neces-sary with a mild cleaning agent and a soft, lint-free cloth.Avoid touching the pin rollers.Carriage shafts Carriage shafts must not be oiled or greased; otherwisedamage will occur on the printer.STOPSTOPSTOP
