Brother QL-720NW - Manual (Page 20)

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Overview
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This chapter explains how to resolve typical network problems you may encounter when using your Brother
printer. If, after reading this chapter, you are unable to resolve your problem, please visit the Brother Solutions
Center at: http://solutions.brother.com/.
Troubleshooting
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Make sure that the following items are configured before reading this chapter.
First check the following:
The power cord is connected properly and the Brother printer is turned on.
The access point (for wireless), router or hub is turned on and its link light is blinking.
All protective packaging has been removed from the machine.
The front and back covers are fully closed.
The roll is inserted properly in the roll compartment.
(For wired networks) A network cable is securely connected to the Brother printer and the router or hub.
I cannot complete the wireless network setup configuration.
Question Interface Solution
Are your security settings
(SSID/Network Key)
correct? wireless  Reconfirm and choose the correct security settings.
• The manufacturer's name or model no. of the WLAN access
point/router may be used as the default security settings.
• See the instructions supplied with your WLAN access point/router for
information on how to find the security settings.
• Ask the manufacturer of your WLAN access point/router or ask your
Internet provider or network administrator.
Are you using MAC address
filtering? wireless Confirm that the MAC address of the Brother printer is allowed in the filter.
You can find the MAC address from the Network Setting Tool. See the
User’s Guide for more details about the Network Setting Tool.
Is your WLAN access
point/router in stealth
mode? (not broadcasting
the SSID) wireless  You should enter the correct SSID name during the installation or when
using the Network Setting tool.
 Check the SSID name in the instructions supplied with your WLAN
access point/router and reconfigure the wireless network setup.
I have checked and tried all
of the above, but still cannot
complete the wireless
configuration. Is there
anything else I can do? wireless Use the Network Setting Tool.
Is your Brother printer
properly connected to the
WLAN access point/router? wireless
If the Wi-Fi ® lamp is lit, the network is properly connected. If the Wi-Fi ® lamp
is blinking, the network is not connected properly, and the wireless network
setup must be reconfigured.