For more than 80 years, Paymaster® Check Protection Systems have been serving the business and banking community throughout the world with unparalleled and unequaled negotiable document security through check writers, check imprinters and check protectors. As a leader in the field of check fraud, Paymaster's unique mechanically generated character face serrations have long proven to be the best safeguard against chemical or abrasive attempts to alter negotiable documents.

As the Original Equipment Manufacturer (OEM) of its manual check writing, check imprinter and check protector equipment, Paymaster has the ability to maintain the highest standards of quality and manufacturing tolerances with regard to the exacting security aspects of negotiable document imprinting. This self assurance and confidence allows Paymaster to include, with every new check protection system sold in the U.S., a renewable two year Maintenance Agreement, and a $100,000 Manufacturer's Certificate of Guaranty against forgery and check alteration when issuing documents with our check writers, check imprinters or other check protection equipment.