The SF42 dot matrix printer is the economical choice for providing a fully documented audit trail when coupled with an Ohaus balance featuring GLP functions such as the MB45, Explorer and Navigator. Audit trails are required to meet today's most stringent standards for quality and verification. Compact design with quick and easy setup. Ink ribbon prevents fading. Self-test mode assures proper functionality. Compatible with Ohaus balances equipped with RS232 interface. Print speed of 40 lines per minute on 2.25" wide paper. Connection is 25 Pin D type (female) AC power Adapter included. Weight: 1.3 Lbs.