Wired LAN does not respond at all (LED does not illuminate even if you pierce the Ethernet cable, printer cannot be found, etc.)

Suspected cause
  • The firmware version is old.

  • The wired LAN connector is damaged.
Parts/Components to be checked
  1. Printer Main Circuit Board

Troubleshooting
StepConfirmation points and methodsPageYESNO
1

Check the firmware version

  • Update the firmware.

Does the product recover from the failure?

Firmware InstallEndGo to step 2
2

Replace the Printer Main Circuit Board.

Does the product recover from the failure?

Printer Main Circuit BoardEndEscalate to person in charge