Brother DCP-8085DN Service Manual page 148

■ Paper jam at the duplex scanning
<User Check>
- Use the A4 or Letter size.
- Use the document without warpage.
- Use the paper which is not so too thin. (thickness of paper)
Step
Foreign object
1
inside ADF
Switch back
sensor actuator
2
catching on some
position
Each flap catching
3
on some position
Switch back
sensor
4 malfunction
Flap A failure
5
S/B solenoid
6
ASSY failure
SB roller failure
7
11.4 Wrinkles
<User Check>
- Check if the document is loaded into the ADF correctly.
- Check whether the document guide matches the document size.
- Check whether the document does not curl.
Step
Feed roller
positioning section
1 failure
Cause
Is there a foreign object
inside ADF?
Does the switch back
sensor actuator move
smoothly?
Does the each flap move
smoothly?
Does the switch back
sensor move smoothly?
(Check it following the
procedure described in
"Maintenance mode
Does the flap A move
smoothly? Is it damaged?
Does the S/B solenoid
ASSY move smoothly?
Does the SB roller move
smoothly? Is it damaged?
Cause
Is each feed roller
attached correctly
section?
(Check the feed roller
position in
Check Result
Yes
No
No
No
32")
No
No
No
Check Result
Yes
Fig. 5-56)
3-76
Remedy
Remove the foreign
object.
Re-assembly the switch
back sensor actuator.
Re-assembly the flap.
Replace the switch back
sensor.
Replace the flap A.
Replace the S/B solenoid
ASSY.
Replace the SB roller.
Remedy
Re-assembly each feed
roller to the correctly
section.
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