Error code 4009

Failure

The log from the NDD - Thermal Monitor or NDD - Thermal Monitor USB services service recorded error code 4009 (PrinterConnectionException).

Cause

It was not possible to receive a response from the printer within the time limit (3 minutes).

Solution

Make sure the printer is turned on and connected correctly.

Also, restart the printer and check for any error indications that may be interfering with operation.

If the failure is not resolved using the solutions above, we recommend opening a support ticket with the logs generated.

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