Description: Head management sensor error. The head management sensor detected a ink discharge error. A sensor sensitivity error was detected during head management sensor position adjustment.
Causes: Printhead, head management sensor, or main controller PCB
Remedy: 1. Replace the printhead. 2. Visual check Remove foreign substances from the head management sensor if any. 3. Replace the haed management sensor. 4. Cable continuity check If continuity of the cable between the head management sensor and the main controller PCB is abnormal, replace the cable. 5. Replace the main controller PCB.