Brother MFC 990CW User Manual

Safety and Legal139
A
16 Unplug this product from the wall outlet and refer servicing to Authorized Service Personnel under the following conditions:
„ If the power cord is damaged or frayed.
„ If the product has been spilled by liquid.
„ If the product has been exposed to rain or water.
„ If the product does not operate normally when the operating instructions are followed. 
Adjust only those controls that are covered by the operating instructions. Improper 
adjustment of other controls may result in...

140
Legal limitations for copyingA
It is an offence to make reproductions of certain items or documents with the intent to commit 
fraud. This memorandum is intended to be a guide rather than a complete list. We suggest you 
check with relevant legal authorities if in doubt about a particular item or document.
The following are examples of documents which may not be copied:„ Money
„ Bonds or other certificates of debt
„ Certificates of Deposit
„ Armed Forces Service or Draft papers.
„ Passports
„ Postage...

Safety and Legal141
A
TrademarksA
The Brother logo is a registered trademark of Brother Industries, Ltd.
Brother is a registered trademark of Brother Industries, Ltd.
Multi-Function Link is a registered trademark of Brother International Corporation.
© 2008 Brother Industries, Ltd. All rights reserved.
Windows Vista is either a registered trademark or a trademark of Microsoft Corporation in the 
United States and other countries.
Microsoft, Windows and Windows Server are registered trademarks of...

142
B
Troubleshooting B
If you think there is a problem with your machine, check the chart below and follow the 
troubleshooting tips.
Most problems can be easily resolved by yourself. If you need additional help, the Brother 
Solutions Center offers the latest FAQs and troubleshooting tips. Visit us at 
http://solutions.brother.com
.
If you are having difficulty with your machineB
Troubleshooting and Routine 
Maintenance
B
Printing
DifficultySuggestions
No  printout Check the interface cable on both the...

Troubleshooting and Routine Maintenance143
B
White horizontal lines appear in text 
or graphics.Clean the print head. (See 
Cleaning the print head on page 165.)
Make sure you are using Brother Original Innobella™ Ink.
Try using the recommended types of paper. (See Acceptable paper and other print 
media  on page 17.) 
The machine prints blank pages. Clean the print head. (See  Cleaning the print head on page 165.)
Make sure you are using Brother Original Innobella™ Ink.
Characters and lines are stacked....

144
Photo paper does not feed 
properly.When you print on Brother photo paper, make sure you always load one additional 
sheet of photo paper first before loading the paper you want to print on.
Clean the paper pick
-up roller. (See 
Cleaning the paper pick-up roller  
on page 165.)
Photo paper does not feed 
properly. When you print on Brother Photo paper, load one extra sheet of the same photo 
paper in the paper tray. An extra sheet has been included in the paper package 
for this purpose.
Clean the...

Troubleshooting and Routine Maintenance145
B
Receiving Faxes
DifficultySuggestions
Cannot receive a fax. Check all line cord connections. Make sure the machine is in the correct receiving mode for your setup. (See 
Receive mode settings on page 46.) 
If you often have interference on the telephone line, try changing the menu setting 
of Compatibility to  Basic(for VoIP) . (See Telephone line interference  
on page 149.)
Sending Faxes
DifficultySuggestions
Cannot send a fax. Check all line cord...

146
Handling Incoming Calls
DifficultySuggestions
The machine ‘Hears’ a voice as a 
CNG Tone. If Fax Detect is set to On, your machine is more sensitive to sounds. It may 
mistakenly interpret certain voices or music on the line as a fax machine calling 
and respond with fax receiving tones. Deactivate the machine by pressing 
Stop/Exit
. Try avoiding this problem by turning Fax Detect to Off. (See  Fax Detect 
on page 47.)
Sending a fax call to the machine. If you answered on an external or extension...

Troubleshooting and Routine Maintenance147
B
Software Difficulties
DifficultySuggestions
Cannot install software or print. Run the  Repair MFL-Pro Suite program on the CD-ROM. This program will repair 
and reinstall the software.
‘Device Busy’  Make sure the machine is not showing an error message on the LCD.
Cannot print images from 
FaceFilter Studio.  To use FaceFilter Studio, you must install the FaceFilter Studio application from 
the CD-ROM supplied with your machine. To install FaceFilter Studio...

148
Network Difficulties
DifficultySuggestions
Cannot print over the Network. Make sure that your machine is powered on and is online and in Ready mode.  Print a Network Configuration list (see Reports  on page 84.) and check the current 
Network settings printed in this list. 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. If the connections 
are good, the...