This .250mA Fuse is the perfect replacement for your Mutoh printer mainboard. It is designed to protect your printer from power surges, and can easily be replaced to get your printer up and running again. If your printer is moving as if it is printing, but no ink is coming out, this fuse could be the solution. Blown fuses are usually caused by removing cables while the power is on. Get your printer back in working order with this reliable fuse.