Ronald Jack 3300/ NSC-33- Substitute for 14, 414, 424, 614

2 color priting (Black & Red) Max.Print up to 6 columns Full Power Reserve for 400 punches (Power back-up when power failure) 5 years full memory back up (keep the time & program running) Auto IN / OUT column shift (Prevention for wrong position printing) Melody Function Signal device for external siren (to alert the break time) 30 years perpetual calendar (Skip the short months and leap years)