Double Feeding; Paper Jam - Brother DCP-8070D Service Manual

11.2 Double Feeding

<User Check>
- Check whether the document does not use the paper which is thinner than the
specification.
Step
Feed roller holder
1 ASSY failure
Separation rubber
2 is abrasion

11.3 Paper Jam

■ Paper jam in the ADF cover
<User Check>
- Check if the document is jammed in the insertion part.
Step
Foreign object
1 around ADF cover
inside
Document front
actuator 2
2
catching on some
position
Switch back flap A
catching on some
3
position
(CIS model)
Document front
sensor 2
4 malfunction
Cause
Is the surface of the
separation roller worn
out?
Is the surface of the
separation rubber worn
out?
Cause
Is there a foreign object
around the ADF cover
inside?
Does the document front
actuator 2 move
smoothly?
Does the switch back flap
A move smoothly?
Does the document front
sensor 2 move smoothly?
(Check it following the
procedure described in
"Maintenance mode
Check Result
Yes
Yes
Check Result
Yes
No
No
No
32")
3-78
Remedy
Replace the feed roller
holder ASSY.
Replace the separation
rubber.
Remedy
Remove the foreign
object.
Re-assembly the
document front actuator
2.
Re-assembly the switch
back flap A.
Replace the document
front sensor 2.
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