Brother Mfc 685cw User Manual

Troubleshooting and Routine Maintenance145
B
fUsing both hands, use the plastic tabs 
on both sides of the machine to lift the 
scanner cover (1) until it locks securely 
into the open position.
Make sure that there is no jammed 
paper left in the corners of the machine.
 
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.
 
gLift the scanner cover to release the 
lock (1). Gently push the scanner cover...

146
Telephone line interferenceB
If you are having problems sending or 
receiving a fax due to possible interference 
on the telephone line, we recommend that 
you adjust the Equalization for compatibility 
to reduce the modem speed for fax 
operations.
aPress Menu.
bPress  a or  b to choose  Fax.
Press  OK.
cPress  a or  b to choose 
Miscellaneous .
Press  OK.
dPress  a or  b to choose 
Compatibility .
ePress d or  c to choose  Normal (or 
Basic ).
„ Basic  reduces the modem speed to 
9600 bps. Unless...

Troubleshooting and Routine Maintenance147
B
bPull the lock release lever down and 
take out the ink cartridge for the color 
shown on the LCD.
 
 
cOpen the new ink cartridge bag for the 
color 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 color has its own correct...

148
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  1(Yes ) 
to automatically reset the ink dot counter 
for that color. If the ink cartridge you 
installed is not a brand new one, be sure 
to press  2 ( No ).
• If the LCD shows  No Cartridge after 
you install the ink cartridges, check that 
the ink...

Troubleshooting and Routine Maintenance149
B
Clean the outside of the machine as 
follows:
B
aPull the paper tray (1) completely out of 
the machine.
 
bWipe the outside of the machine with a 
soft cloth to remove dust.
 
cRemove anything that is stuck inside the 
paper tray.
dWipe the paper tray with a soft cloth to 
remove dust.
 
ePut the paper tray firmly back in the 
machine.
Cleaning the scannerB
aLift the document cover (1). Clean the 
scanner glass (2) and the white plastic 
(3) with a soft...

150
Cleaning the machine printer 
platenB
WARNING 
Be sure to unplug the machine from the AC 
power outlet before cleaning the printer 
platen (1).
  
If ink is scattered on or around the printer 
platen wipe it off with a soft, dry, lint-free 
cloth.
 
aUsing both hands, use the plastic tabs 
on both sides of the machine to lift the 
scanner cover until it locks securely into 
the open position.
bClean the machine printer platen (1). 
Cleaning the paper pick-up 
rollerB
aPull the paper tray completely...

Troubleshooting and Routine Maintenance151
B
cClean the Paper Pick-up Roller (1) with 
isopropyl alcohol on a cotton swab.
 
dPut the Jam Clear Cover back on.
Make sure the cover is set properly.
ePut the paper tray firmly back in the 
machine.
fRe-connect the power cord.
Cleaning the print headB
To maintain good print quality, the machine 
will automatically clean the print head. You 
can start the cleaning process manually if 
there is a print quality problem.
Clean the print head and ink cartridges...

152
fThe LCD asks you if the print quality is 
OK.
Do one of the following:„ If all lines are clear and visible, press 
1 ( Yes ) to finish the Print Quality 
check.
„ If you can see missing short lines as 
shown below, press  2 to choose  No.
gThe LCD asks you if the print quality is 
OK for black and three colors.
Press  1 ( Yes ) or 2 ( No ).
hThe LCD asks you if you want to start 
cleaning.
Press  1 ( Yes ).
The machine starts cleaning the print 
head.
iAfter cleaning is finished, press 
Color Start...

Troubleshooting and Routine Maintenance153
B
fDo one of the following:„ If the number 5 samples of both the 
600 dpi and 1200 dpi test prints are 
the best matches, press  1 ( Yes ) to 
finish the Alignment Check.
„ If another test print number is a 
better match for either 600 dpi or 
1200 dpi, press  2 ( No ) to choose it.
gFor 600 dpi, press the number of the test 
print that most closely matches the 
number 0 sample (1-8).
hFor 1200 dpi, press the number of the 
test print that most closely matches...

154
cAttach the side cover. 
Installing the handset and handset 
cradle
B
aRemove the side cover. 
Note
If you cannot open the cover with your 
hand, use a coin to open it.
 
bAlign the recessed arrows on the cradle 
with those on the machine, and then 
slide the cradle toward the front of the 
machine until it clicks into place.
 
cConnect the curled handset cord to the 
machine.