Brother RJ-4040 - Manual (Page 18)

Troubleshooting
14
6
The Brother printer is not found on the network during the RJ-4040 installation.
Question Solution
Are you using security
software?  Confirm your settings in the installer dialog.
 Allow access when the alert message of the security software appears during the
RJ-4040 installation.
Is your Brother printer placed
too far from the WLAN access
point/router? Place your Brother printer within about 3.3 feet (1 meter) from the WLAN access
point/router when you configure the wireless network settings.
Are there any obstructions
(walls or furniture, for example)
between your printer and the
WLAN access point/router? Move your Brother printer to an obstruction-free area, or closer to the WLAN access
point/router.
Is there a wireless computer,
Bluetooth supported device,
microwave oven or digital
cordless phone near the
Brother printer or the WLAN
access point/router? Move all devices away from the Brother printer or WLAN access point/router.
The Brother printer cannot print via the wireless network.
The Brother printer is not found on the network even after successful installation.
Question Solution
Are you using security
software? See I'm using security software. uu page 15.
Is your Brother printer assigned
with an available IP address?  Confirm the IP address and the Subnet Mask.
Verify that both the IP addresses and Subnet Masks of your computer and the
Brother printer are correct and located on the same network.
For more information on how to verify the IP address and the Subnet Mask, ask
the network administrator.
 Confirm the IP address and the Subnet Mask using the Network Setting Tool.
 Confirm your settings using the Network Setting Tool.
See the User’s Guide for more details about the Network Setting Tool.