Line matrix printing (or impact printing) remains the unchallenged leader in reliability. When pressed to keep costs under control, supply-chain and back-office applications look to this technology to deliver the lowest cost-per-page output and the most dependable long-term performance.
The line matrix printing incorporated a unique shuttle-based technology that laid down a matrix of dots and print bar codes and graphics as well as the usual characters.
Line printers are often used for printing box labels, Bar codes, as well as invoices and reports. Line matrix is mainly used By Banks, Universities, and all places where cost per printing plays major role. When implemented as impact printers, they can be the least expensive to operate, per page.