OKI Microline ML 3320 9-Pin A4 Mono Dot Matrix Impact Printer USB + Parallel
OKI Microline 3320. Number of pins: 9. USB + Parallel. • First printable line: 0.02" (0.5 mm). • Reliability: Print head life: 200 million characters, Ribbon life: 3 million characters in utility mode at 10 cpi.