Double Feeding; Paper Jam - Brother MFC-9320CW Service Manual

3.2

Double Feeding

<User Check>
- Check if the paper is loaded into the paper tray correctly.
- Turn over the stack of paper in the paper tray, or try rotating the paper 180° in the paper tray.
- Check if the thickness of the paper is 60 to 105 g/m
- Set out papers and reload them into the paper tray.
Step
1 Separation pad or
separation roller
worn out
3.3

Paper Jam

<User Check>
- Check if the paper is loaded into the paper tray correctly.
- Turn over the stack of paper in the paper tray, or try rotating the paper 180° in the paper tray.
- Check if the thickness of the paper is 60 to 105 g/m
■ Paper jam in the paper tray and front section
Step
1 Foreign object
around front section
2 Belt unit
malfunction
3 Registration front
actuator catching
on some position
4 Registration rear
actuator catching
on some position
5 Registration front/
rear sensor PCB
failure
Cause
Is the surface of the
separation pad or
separation roller worn out?
Cause
Is there a foreign object
around the front section?
Does the belt unit move
correctly?
Does the registration
front actuator move
smoothly?
Does the registration
rear actuator move
smoothly?
Does the registration
front/rear sensor move
smoothly?
(Check it following the
procedure described in
"Function code
3-57
2
.
Check
Result
Yes
2
.
Check
Result
Yes
No
No
No
No
32".)
Remedy
Replace the paper
feeding kit.
Remedy
Remove the foreign
object.
Replace the belt unit.
Re-assemble the
registration front
actuator.
Re-assemble the
registration rear
actuator.
Replace the
registration front/rear
sensor PCB ASSY.
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