¶ E363 - Y Motor Driver Alarm
Steps：
1. Disconnect & reconnect the main power, restart printer, and try to print again.
2. Use the knob tool to remove the left cover of printer. Locate the driver of Y driving motor. re-plug the 2 cable connectors. Figure - 1
3. Use the knob tool to remove the back cover, and re-plug the connectors highlighted in figure - 2.
4. Replace Y motor driver.
5. Replace the main board.