Brother MFC 7840W User Manual
Page 126
Troubleshooting
117
13
The upper LED is off: The Speed LED will be off if the print server is connected to a 10BASE-T
Ethernet network.
The lower LED is green: The Link/Activity LED will be green if the print server is connected to a
Ethernet network.
The lower LED is off: The Link/Activity LED will be off if the print server is not connected to the
network.
c
Print the Network Configuration List and check if the settings such as IP address settings are correct for
your network. The problem may be the result of a mismatched or duplicate IP address. Verify that the IP
address is correctly loaded into the print server, and make sure that no other nodes on the network have
this IP address. For information on how to print the Network Configuration List, see Printing the Network
Configuration List on page 87.
d
Verify that the print server is on your network as follows:
For Windows
®
Try pinging the print server from the host operating system command prompt with the command:
Click Start, All Programs
, Accessories then choose Command Prompt.
1
Programs for Windows
®
2000 users
ping ipaddress
Where ipaddress is the print server IP address (note that in some instances it can take up to two
minutes for the print server to load its IP address after setting the IP address).
For Mac OS
®
X 10.2.4 or greater
1
From the Go menu, choose Applications.
2
Open the Utilities folder.
3
Double click the Terminal icon.
4
Try pinging the print server from the Terminal window:
ping ipaddress
Where ipaddress is the print server IP address (note that in some instances it can take up to
two minutes for the print server to load its IP address after setting the IP address).
e
If you have tried a to d above and it does not work, then reset the print server back to the default factory
settings and try from the initial setup again. For information on how to reset to the default factory settings,
see Restoring the network settings to factory default on page 87.
f
(For Windows
®
)
If the installation failed, the Firewall on your computer may be blocking the necessary network
connection to the machine. In this case, you will need to disable the Firewall on your computer and re-
install the drivers. For how to disable the Firewall, see General problems on page 115. If you are using
personal Firewall software, see the User’s Guide for your software or contact the software manufacturer.