Brother MFC 8460N User Manual

Troubleshooting and routine maintenance
107
Print Quality Difficulties
DifficultiesSuggestions
Printed pages are curled.„Low quality thin or thick paper or not printing on the recommended side of the 
paper could cause this problem. Try turning over the stack of paper in the 
paper tray.
„Make sure that you choose the Paper Type that suits the media type you are 
using. (See Acceptable paper and other media on page 12.)
Printed pages are smeared. The Paper Type setting may be incorrect for the type of...

108
The network scanning feature 
does not work.
The network PC Fax Receive 
feature does not work.
The network printing feature does 
not work.(For Windows® only) The firewall setting on your PC may be rejecting the 
necessary network connection. Follow the instructions below to configure your 
firewall. If you are using a personal firewall software, see the User’s Guide for 
your software or contact the software manufacturer.
For Windows
® XP SP2 users:
aClick the Start button, Control Panel, Network...

Troubleshooting and routine maintenance
109
The network scanning feature 
does not work.
The network PC Fax Receive 
feature does not work.
The network printing feature does 
not work.
(continued)For Windows Vista® users:
aClick the Start button, Control Panel, Network and Internet, Windows 
Firewall and click Change settings.
bWhen the User Account Control screen appears, do the following.
„Users who have administrator rights: Click Continue.
„For users who do not have administrator rights: Enter the...

110
Improving the print qualityC
Examples of poor print 
qualityRecommendation
 
Faint
„Check the machine’s environment. Conditions such as humidity, high 
temperatures, and so on, may cause this print fault. (See 
Choosing a 
location
 on page 88.)
„If the whole page is too light, Toner Save mode may be on. Turn off Toner 
Save mode in the machine
’s menu settings or in the printer Properties of the 
driver. (See 
Toner save on page 22 or Advanced tab in the Software User’s 
Guide on the CD
-ROM.)
If...

Troubleshooting and routine maintenance
111
 
Hollow print
„Make sure that you use paper that meets our specifications. (See 
Acceptable paper and other media on page 12.) 
„Choose Thick paper mode in the printer driver or in the machine
’s Paper 
Type menu setting, or use thinner paper than you are currently using. (See 
Paper Type on page 18 and Basic tab in the Software User’s Guide on the 
CD
-ROM.)
„Check the machine
’s environment. Conditions such as high humidity can 
cause hollow print. (See...

112
 
White lines across the page
„Make sure that you use paper that meets our specifications. A rough surfaced 
paper or thick print media can cause the problem. (See 
Acceptable paper 
and other media
 on page 12.)
„Make sure that you choose the proper media type in the printer driver or in the 
machine
’s Paper Type menu setting. (See Acceptable paper and other 
media
 on page 12 and Basic tab in the Software User’s Guide on the 
CD
-ROM.)
„The problem may disappear by itself. Print multiple pages to...

Troubleshooting and routine maintenance
113
 
Curled or wave
„Check the paper type and quality. High temperatures and high humidity will 
cause paper to curl.
„If you do not use the machine often, the paper may have been in the paper 
tray too long. Turn over the stack of paper in the paper tray. Also, fan the paper 
stack and then rotate the paper 180° in the paper tray.
 
Wrinkles or creases
„Make sure that paper is loaded properly.
„Check the paper type and quality. (See 
Acceptable paper and other...

114
 
Poor fixing
Open the back cover and make sure that the two blue levers on the left and right 
hand sides are in the down position.
 
Examples of poor print 
qualityRecommendation
ABCDEFG H
abcdefghijk
ABC D
abcd e
01234
 

Troubleshooting and routine maintenance
115
Setting Dial Tone DetectionC
Setting the dial tone to Detection will 
shorten the dial tone detect pause.
a(USA) Press Menu, 0, 4.
(Canada) Press Menu, 0, 5.
 
04.Dial Tone
a    Detection
b    No Detection
Select ab
 & OK
bPress a or b to select Detection or 
No Detection
Press OK.
cPress Stop/Exit.
Phone line interferenceC
If you are having difficulty sending or 
receiving a fax due to possible interference 
on the phone line, we recommend that you 
adjust the...

116
Error messagesC
As with any sophisticated office product, errors may occur. If this happens, your machine will 
identify the error and display an error message. The most common error messages are shown 
below.
Error MessageCauseAction
Check Paper 
SizePaper is not the correct size. Load the correct size of paper (Letter, Legal, A4 
or Folio) and then set the “Paper size” 
(Menu
, 1, 3) and “Tray Use in Fax Mode” 
(Menu
, 1, 7, 2), See Paper Size on page 19 and 
Tray use in Fax mode on page 20....