For use with Citizen® MD 910 and 911 cash registers. Consistent, crisp character output. • For use with Citizen® MD 910 and 911 cash registers. • Consistent, crisp character output. For use with Citizen® MD 910 and 911 cash registers. Consistent, crisp character output. Device Types: Cash Register; Color(s): Purple; OEM/Compatible: Compatible; Material(s): Nylon.