Replace L1800 printheads with the L805 printhead L1800 adapter board. Designed for seamless integration of the L800 L805 printhead with existing L1800 R1390 printers. This L805 adapter board guarantees reliable performance, enabling seamless integration , allowing users to replace the L1800 R1390 printhead with the L805 printhead. Reducing Epson printhead replacement costs and maximizing profit.