goodday sir,my sharp digital copier/printer was on when i was using generator, when public power supply came back I changed from my generator to it.Reaching my copier it was blinking H&4 continuously uptill now. please help me out thanks Genger from Abuja Nigeria
Try pressing these keys in this exact order quickly. # * CLR * Then key in 14 and press start. Then turn off the copier and turn it back on. See if this clears you H4 error..