Brother DCP 770CW User Manual

Troubleshooting and Routine Maintenance63
B
Characters and lines are stacked. Check the printing alignment. (See  Checking the print alignment on page 77.)
Printed text or  images are  skewed. Make sure the paper is loaded properly in the paper tray and the paper side guide  is adjusted correctly. (See Loading paper and other media  on page 14.) 
Make sure the Jam Clear Cover is set properly.
Smudged stain at the top center of 
the printed page. Make sure the paper is not too thick or curled. (See...

64
Copying Difficulties
DifficultySuggestions
Vertical streaks appear on copies. If you see vertical streaks on copies, clean the scanner.  (See Cleaning the scanner  on page 73.)
Scanning Difficulties
DifficultySuggestions
TWAIN/WIA errors appear when 
starting to scan. Make sure the Brother TWAIN/WIA driver is chosen as the primary source. In 
PaperPort™ 11SE with OCR, click 
File, Scan or Get Photo  and click Select to 
choose the Brother TWAIN/WIA driver.
Software Difficulties
DifficultySuggestions...

Troubleshooting and Routine Maintenance65
B
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  Printing Reports on page 8) 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...

66
Error messagesB
As with any sophisticated office product, errors may occur. If this happens, your machine identifies 
the error and shows an error message. The most common error messages are shown below.
You can correct most errors by yourself. If you need more help, the Brother Solutions Center offers 
the latest FAQs and troubleshooting tips.
Visit us at http://solutions.brother.com
.
Error MessageCauseAction
Cover is Open. The scanner cover is not closed 
completely. Lift the scanner cover and...

Troubleshooting and Routine Maintenance67
B
No FileThe memory card or USB Flash 
memory drive in the media drive 
does not contain a .JPG file. Put the correct memory card or USB Flash 
memory drive into the slot again.
No Paper Fed The machine is out of paper or 
paper is not properly loaded in 
the paper tray. Do one of the following:
„ Refill the paper in the paper tray, and 
then press  Mono Start  or 
Colour Start .
„ Remove the paper and load it again 
and then press  Mono Start or 
Colour Start...

68
Changing LCD languageB
You can change the LCD language.
aPress Menu.
bPress  a or  b to choose 
Initial Setup .
Press  OK.
cPress  a or  b to choose 
Local Language .
Press  OK.
dPress  a or  b to choose your language.
Press  OK.
ePress  Stop/Exit .
Error animationB
Error animation displays step-by-step 
instructions when paper gets jammed or ink 
cartridges become empty. You can read the 
steps at your own pace by pressing  c to see 
the next step and  d to go backward. If you do 
not press a key,...

Troubleshooting and Routine Maintenance69
B
cRemove the Jam Clear Cover (1). Pull 
the jammed paper out of the machine.
 
CAUTION 
DO NOT place the jam clear cover face 
down as shown in the illustration. You may 
damage the cover and cause paper jams.
 
  
dPut the Jam Clear Cover back on.
Make sure the cover is set properly.
 
eLift the scanner cover (1) from the front 
side of the machine until it locks 
securely into the open position.
Make sure that there is no jammed 
paper left inside the...

70
Note
If the paper is jammed under the print 
head, unplug the machine from the power 
source, and then move the print head to 
take out the paper.
 
fLift the scanner cover to release the 
lock (1). Gently push the scanner cover 
support down (2) and close the scanner 
cover (3).
 
gPush the paper tray firmly back into the 
machine. While holding the paper tray in 
place, pull out the paper support until it 
clicks and unfold the paper support flap.
Note
Make sure you pull out the paper support...

Troubleshooting and Routine Maintenance71
B
bPull the lock release lever down and 
take out the ink cartridge for the colour 
shown on the LCD.
 
 
cOpen the new ink cartridge bag for the 
colour shown on the LCD, and then take 
out the ink cartridge.
dRemove the protective yellow cap (1). 
Improper Setup 
DO NOT touch the area shown in the 
illustration below.
 
 
Note
If the protective yellow caps come off 
when you open the bag, the cartridge will 
not be damaged.
 
eEach colour has its own correct...

72
gThe machine will automatically reset the 
ink dot counter.
Note
• If you replaced an ink cartridge, the LCD may ask you to verify that it was a brand 
new one. (For example, 
Did You Change Black ) For each 
new cartridge you installed, press  +(Yes ) 
to automatically reset the ink dot counter 
for that colour. If the ink cartridge you 
installed is not a brand new one, be sure 
to press  - ( No ).
• If the LCD shows  No Cartridge after 
you install the ink cartridges, check that 
the ink...