Intermec EasyCoder 7421 User Manual page 53

6. Wait 5 to 10 seconds for the print surface to dry. Replace the
media and ribbon.
7. Lower the printhead assembly and lock it into the operating
position by pressing down firmly on both sides of the
printhead.
8. If you are finished cleaning, close the printer cover.
Use a general purpose cleaner (soapy water/mild detergent) to
clean the printer cover. Do not use abrasive cleansers or solvents
and make sure that the cleaning solution does not get inside of
the printer. Be sure to clean the transparent panel on the printer
cover so that the media supply inside the printer is visible when
you close the cover.
Printhead
7421U.035