Brother MFC-9420CN User Manual page 140

DIFFICULTY
Print Quality Difficulties
Printed pages are curled.
Printed pages are smeared.
Printouts are too light.
Network Difficulties
I cannot print over the Network
The network scanning feature does
not work.
Your computer cannot find your
machine.
SUGGESTIONS
Low quality thin or thick paper can cause this problem. Make sure you select the
Paper Type that suits the media type you use. (See Acceptable paper and other
media on page 2-1.)
The Paper Type setting may be incorrect for the type of print media you are
using—OR—The print media may be too thick or have a rough surface.
(See Acceptable paper and other media on page 2-1 and Basic tab in the Software
User's Guide on the CD-ROM.)
If this problem occurs when making copies or printing received faxes, turn off
Toner Save mode in the machine's menu settings. (See Toner Save on page 3-7.)
Set Toner Save mode to off in the Advanced tab in the printer driver.
(See Advanced tab in the Software User's Guide on the CD-ROM.)
See Printing Problems in the Network User's Guide on the CD-ROM
—OR—
1. Make sure that your machine is powered on and is online and in Ready mode.
2. Print a Network Configuration list and check the current Network settings printed
in this list. (See Printing reports on page 9-1.)
3. Reconnect the LAN cable to the hub to verify that the cabling and network
connections are good. If possible, try connecting the machine to a different port on
your hub using a different cable.
4. Contact your Network Administrator to check if the settings are correct.
®
(For Windows users only) Firewall setting on your PC may be rejecting the
necessary network connection. Follow the instructions below to disable the
Firewall. If you are using a personal Firewall software, please refer to the User's
Guide for your software or contact the software manufacturer.
®
<Windows XP SP2 users.>
1. Click the 'Start' button, 'Settings', 'Control Panel' and then 'Windows Firewall'.
Make sure that Windows Firewall on the 'Basic' tab is set to On.
2. Click the 'Exceptions' tab and 'Add port' button.
3. Enter any name, port number (54295 for network scanning), select 'UDP' and
click OK.
4. Make sure if the new setting is added and is checked, and then click OK.
®
For Windows XP SP1 users, please go to the Brother Solutions Center.
®
<For Windows user>
Firewall setting on your PC may be rejecting the necessary network connection.
For detail, see the instruction above.
®
<For Macintosh users>
Re-select your machine in the DeviceSelector application located in Macintosh
HD/Library/Printers/Brother/Utilities or from the model pull-down list of
ControlCenter2.
Troubleshooting and routine maintenance
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