Scheda madre scheda madre Et-2850 et-4850 adatta per Epson et-2800 et-2760 et-4850
If a short circuit occurs (beep), the printhead and motherboard must be replaced. - Device will not power on, there is a short between pin 1 and pin 2 of the motherboard power connector. Test pins 1 and 2 of the motherboard power socket.