"Connection Fail : Err-01" appears on the LCD Display Screen.
What does it mean?

The wireless network setting is not activated.

Follow the steps below to activate the wireless network.



  1. Display page 6, and then touch image beside "Network".


    The network settings screen appears.



  2. Select "ON" for "WLAN Enable".





If your question was not answered, have you checked other FAQs?

Have you checked the manuals?

If you need further assistance, please contact Brother customer service:

Related Models

CM350, CM350e, CM350H, CM350R, CM650W, CM650WX

Content Feedback

To help us improve our support, please provide your feedback below.

Step 1: How does the information on this page help you?

Step 2: Are there any comments you would like to add?

Please note this form is used for feedback only.