Unplug the flat cable connecting the power supply to the motherboard, and use a multimeter to measure whether the flat cable on the other side of the power board is powered!The power supply board is powered, but the main board is broken!I just repaired one[Detailed]
Fast printing, high resolution, very clear printing!The key is to support double-sided printing, and the volume is optimized well, and the floor space is small!It is very convenient to support Wi Fi wireless printing. Multiple computers can share a printer. The only disadvantage is that the printer cannot connect to Wi Fi with Chinese characters. You must use Wi Fi with English characters to connect!