The Service Manual says this Error E02813/ E02814 The Cause is the head management sensor has detected an ink discharge error. A sensor sensitivity error was detected during position adjustment of the head management sensor.
Probable problem locations
Printhead, head management sensor, engine controller and system controller
Try These
1. Replace the printhead.
2. Visual check Remove any foreign objects adhering to the head management sensor.
3. Replace the head management sensor.
4. Cable connection check Replace the cable between the head management sensor and engine controller if the connection is not functioning normally.
5. Replace the engine controller.
6. Replace the system controller.
Hope that helps
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