Oki Pace mark 3410 Dot Matrix Printer, 9-pin, 550 cps, 28 KB, Parallel, Serial, 120V (61800801) OKI Pace mark 3410 Dot Matrix Printer (9-pin) (550 cps) (28 KB) (Parallel) (Serial) (120V) OKI Pace mark 3410 Dot Matrix Printer (9-pin) (550 cps) (28 KB) (Parallel) (Serial) (120V) Matrix