Cannot access to the network

Suspected cause

  • WLAN board abnormality

  • Network cable abnormality

  • LAN connector abnormality

  • The MAC addressis incorrect

  • Does not connect to various wired connections (turn 802.3AZ specification off: check with the user manual)

Parts/Components to be checked

  1. WLAN board (only if the customer is using a wireless connection)

  2. Network cable (only if the customer is using this as a wired connection)

  3. Main circuit board (LAN connector)

  4. Cable from the WLAN board to the main circuit board (disconnected or broken)

Troubleshooting
StepConfirmation points and methodsPageYESNO
1

Check the network cable.

  • Check that the network cable is connected correctly.
  • Check if the network cable is broken.

Does the product recover from the failure?

---EndGo to step 2
2

Check the electrical outlet.

  • Check if the electrical outlet is overloaded as a result of sharing power with any other electric equipment.
  • If so, use one electrical outlet for the printer only if possible.

Does the product recover from the failure?

---EndGo to step 3
3

Check the LAN connector

  • Check if the LAN connector is deformed or damaged.
  • If a foreign object is found, replace the main circuit board.

Does the product recover from the failure?

---EndGo to step 4
4

Perform MAC Address Check & Input

Does the product recover from the failure?

MAC Address Check & InputEndGo to step 5
5

Replace the Printer Main Circuit Board.

Does the product recover from the failure?

Printer Main Circuit Board


EndEscalate to person in charge