Low Cost Solutions Entry Level systems at an affordable price. Donovan Sales Ltd. is pleased to offer our low cost solutions to you. The price you need at the quality you can trust.    CX-200 >> A 'smart', low cost ECR with advanced security and control features for retail shops. Option of receipt with twin ply rolls.      TX-500 >> As a talented, high-speed, stand-alone cash register or as part of an entry-level system, TX-500 combines exceptional performance with advanced security features at a remarkably affordable price.    EX-300 >> Sophisticated, yet simple to use, EX-300 offers 'big system' features for the price of a basic ECR. The EX-300 can be customized to meet the needs of individual retailing businesses.