夏普2348S复印机报错误显示4、H,H4定影异常,不加热 H4 -Heat roller low temperature detection H4-01 H4 error pertains to lamp errors. that would either be the copy lamp o r the heater lamp. check both lamps. with heater lamps,it's usually caused by either a broken heater lamp o r a dirty thermostat on the heater roller assembly. 若以上问题无法解决,欢迎拨打电话696l6769,,,,维修