Brother Mfc 490cw User Manual

Troubleshooting and Routine Maintenance139
B
Routine maintenanceB
Replacing the ink cartridgesB
Your machine is equipped with an ink dot 
counter. The ink dot counter automatically 
monitors the level of ink in each of the 
4 cartridges. When the machine detects an 
ink cartridge is running out of ink, the machine 
will tell you with a message on the LCD.
Note
For example, when one of the ink 
cartridge is nearly empty, the LCD will 
display Ink low  (name of colour).
You should purchase a replacement...

140
aOpen the ink cartridge cover.
If one or more of the ink cartridges are 
empty, the LCD shows 
B&W Print Only or Cannot Print .
bPress the lock release lever as shown to 
release the cartridge indicated on the 
LCD. Remove the cartridge from the 
machine.
 
 
cOpen the new ink cartridge bag for the 
colour shown on the LCD, and then take 
out the ink cartridge.
dTurn the green knob on the protective 
yellow cap clockwise until it clicks to 
release the vacuum seal, then remove 
the cap (1)....

Troubleshooting and Routine Maintenance141
B
fGently push the ink cartridge until it 
clicks, and then close the ink cartridge 
cover.
 
gThe machine will automatically reset the 
ink dot counter.
Note
• If you replaced an ink cartridge, for example Black, 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 colour. If the ink 
cartridge you installed...

142
Cleaning the outside of the 
machineB
CAUTION 
Use neutral detergents. Cleaning with 
volatile liquids such as thinner or benzine 
will damage the outside surface of the 
machine.
  
DO NOT use cleaning materials that 
contain ammonia.
 
 
DO NOT use isopropyl alcohol to remove 
dirt from the control panel. It may crack the 
panel.
 
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...

Troubleshooting and Routine Maintenance143
B
Cleaning the scanner glassB
aLift the document cover (1). Clean the 
scanner glass (2) and the white plastic (3) 
with a soft lint
-free cloth moistened with a 
non-flammable glass cleaner.
 
bIn the ADF unit, clean the white bar (1) 
and the glass strip (2) with a lint-free 
cloth moistened with a non-flammable 
glass cleaner.
 
Note
In addition to cleaning the glass strip with 
a non-flammable glass cleaner, run your 
finger tip over the glass strip to see...

144
Cleaning the paper pick-up 
rollerB
aPull the paper tray completely out of the 
machine.
bUnplug the machine from the electrical 
socket and open the Jam Clear 
Cover (1).
 
cClean the Paper Pick-up Roller (1) with 
isopropyl alcohol on a cotton swab.
 
dClose the Jam Clear Cover.
Make sure the cover is closed correctly.
ePut the paper tray firmly back in the 
machine.
fRe-connect the power cord.
Cleaning the print headB
To maintain print quality, the machine will 
automatically clean the print...

Troubleshooting and Routine Maintenance145
B
Checking the print qualityB
If faded or streaked colours and text appear 
on your output, some of the nozzles may be 
clogged. You can check this by printing the 
Print Quality Check Sheet and looking at the 
nozzle check pattern.
aPress Ink Management .
bPress aor b to choose  Test Print .
Press  OK.
cPress  aor b to choose 
Print Quality .
Press  OK.
dPress  Colour Start .
The machine begins printing the Print 
Quality Check Sheet.
eCheck the quality of the...

146
Checking the print alignmentB
You may need to adjust the print alignment 
after transporting the machine, if your printed 
text becomes blurred or images become 
faded.
aPress Ink Management .
bPress aor b to choose  Test Print .
Press  OK.
cPress  aor b to choose  Alignment .
Press  OK.
dPress  Mono Start  or Colour Start .
The machine starts printing the 
Alignment Check Sheet.
eCheck the 600 dpi and 1200 dpi test 
prints to see if number 5 most closely 
matches number 0. 
fDo one of the...

Troubleshooting and Routine Maintenance147
B
Machine InformationB
Checking the serial numberB
You can see the machine’s serial number on 
the LCD.
aPress Menu.
bPress  aor b to choose  Machine Info .
Press  OK.
cPress  aor b to choose  Serial No .
Press  OK.
dPress  Stop/Exit .
Packing and shipping 
the machine
B
When you transport the machine, use the 
packing materials that came with your 
machine. Follow the instructions below to 
properly pack your machine. Damage caused 
to your machine during...

148
CAUTION 
Make sure that the plastic tabs on both 
sides of the green protective part (1) have 
securely clicked into place (2).
  
If you are not able to find the green 
protective part, DO NOT remove the ink 
cartridges before shipping. It is essential 
that the machine be shipped with either the 
green protective part or the ink cartridges in 
position. Shipping without them will cause 
damage to your machine and may void your 
warranty. When travelling with the ink 
cartridges still in the...