Brother Quattro 3 User Manual

CARE AND MAINTENANCE
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Appendix
9
aPress the “Needle Position” button to raise 
the needle.
bTurn the main power to OFF.
cRemove the needle and the presser foot 
holder (see pages 66 through 67).
dRemove the flat bed attachment or the 
embroidery unit if either is attached.
eGrasp both sides of the needle plate cover, 
and then slide it toward you.
aNeedle plate cover
→ The needle plate cover is removed.
fGrasp the bobbin case, and then pull it out.
aBobbin case
gUse the cleaning brush or a vacuum...

CARE AND MAINTENANCE
340
* Make sure that the indicated points are aligned before installing the bobbin case.
iInsert the tabs on the needle plate cover 
into the needle plate, and then slide the 
cover back on.
Cleaning the Cutter in the Bobbin 
Case Area
The cutter below the needle plate should be 
cleaned. If dust or lint accumulate on the cutter, it 
will be difficult to cut the thread when the “Thread 
Cutter” button is pressed or the automatic thread 
cutting function is used. Clean the cutter when...

CARE AND MAINTENANCE
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Appendix
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dUse the screwdriver included with the 
machine to screw and attach the needle 
plate.
eInsert the tabs on the needle plate cover 
into the needle plate, and then slide the 
cover back on.
About the Maintenance Message
Once this message appears, it is recommended to 
take your machine to an authorized dealer or 
nearest authorized service center for a regular 
maintenance check. Although this message will 
disappear and the machine will continue to 
function once you...

ADJUSTING THE SCREEN
342
ADJUSTING THE SCREEN
Adjusting the Brightness of the 
Screen Display
If the screen is not looks very clear under certain 
situation, you can adjust the brightness of the 
screen display.
aPress .
→The Sewing settings screen appears.
bPress .
→The General settings screen appears.
cDisplay 4/8 (page 4 of 8) of the General 
settings screen.
dPress   or   to adjust the brightness of 
the screen display.
* The screen appears dim as the number on the 
settings screen decreases. The...

TROUBLESHOOTING
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Appendix
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TROUBLESHOOTING
If the machine stops operating correctly, check the following possible problems before requesting service. 
You can solve most problems 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 the problem persists, contact your dealer or the nearest authorized service center.
Frequent troubleshooting topics
Detailed causes and remedies for common...

TROUBLESHOOTING
344
dWhile holding the bobbin in place with 
your finger, pass the thread through the slit 
in the needle plate.
* Hold down the bobbin with your right hand, and then pull the end of the thread around the tab with 
your left hand.
a Tab
b Hold down the bobbin with your right hand.
Pull the thread to pass it through the slit in the 
needle plate, then cut it with the cutter.
cSlit
d Cutter
Sewing with the correct thread tension is possible 
after the bobbin has been correctly installed in...

TROUBLESHOOTING
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Appendix
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dRaise the presser foot using the presser foot 
lever.
* If the presser foot is not raised, the sewing machine cannot be threaded correctly.
eRaise the needle by turning the handwheel 
toward you (counterclockwise) so that the 
mark on the wheel points up, or press 
“Needle Position” button once or twice to 
raise the needle.
or
aMark
fWhile holding the thread with both hands, 
pull the thread up from under the thread 
guide plate.
aThread guide plate
gWhile holding the...

TROUBLESHOOTING
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Incorrect thread tension
■Symptoms
• Symptom 1: The lower thread is visible from the upper side of the fabric.
• Symptom 2: The upper thread appears as a straight line on the upper side of the fabric.
• Symptom 3: The upper thread is visible from the lower side of the fabric.
• Symptom 4: The lower thread appears as a straight line on the lower side of the fabric.
• Symptom 5: The stitching on the lower side of the fabric is loose or has slack.
■Cause/remedy
□ Cause 1
The machine is...

TROUBLESHOOTING
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Appendix
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Fabric is caught in the machine 
and cannot be removed
If the fabric is caught in the sewing machine and 
cannot be removed, the thread may have become 
tangled under the needle plate. Follow the 
procedure described below to remove the fabric 
from the machine. If the operation could not be 
completed according to the procedure, instead of 
attempting to complete it forcefully, contact your 
dealer or nearest authorized service center.
■Removing the fabric from the...

TROUBLESHOOTING
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kSlightly lift up the needle plate, cut any 
tangled threads, and then remove the 
needle plate.
Remove the fabric and threads from the needle plate.
If the fabric cannot be removed, even after completing 
these steps, contact your dealer or nearest authorized 
service center.
lRemove any threads in the race and around 
the feed dogs.
mTurn the handwheel to raise the feed dogs.
nAlign the two screw holes in the needle 
plate with the two holes at the needle plate 
mounting base, and...