[E520] ADU transport jam (paper not reaching the ADU exit sensor
Classification
Paper transport jam (ADU section) Jam not reaching the ADU exit sensor
Proce
Check item
dure
1
Open the ADU. Is there
any paper in front of the
ADU exit sensor?
2
Is the ADU exit sensor
working?
(Perform the input check
in the test mode: 03-
[FAX]OFF/[1]/[E])
3
Is the ADU motor
working? (Perform the
output check in the test
mode: 03-119)
4
ADU
Parts to be replaced
ADU exit sensor
LGC board
ADU exit sensor
MOT board
MOT2 board
Rollers in the ADU
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Error content
Result
Yes
Remove the paper.
No
Yes
No
•
Check if the connector of the ADU exit
sensor is disconnected.
•
Check if the connector CN311 on the LGC
board is disconnected.
•
Check if the connector pins are
disconnected and the harnesses are open
circuited.
•
Check if the conductor patterns on the LGC
board are short circuited or open circuited.
•
Replace the ADU exit sensor.
•
Replace the LGC board.
Yes
No
•
Check if the connector of the ADU motor is
disconnected.
•
Check if the connector CN402 and CN404
on the MOT/MOT2 board is disconnected.
•
Check if the connector CN303 on the LGC
board is disconnected.
•
Check if the connector pins are
disconnected and the harnesses are open
circuited.
•
Check if the conductor pattern on the LGC
board is short circuited or open circuited.
•
Replace the ADU exit sensor.
•
Replace the MOT/MOT2 board.
•
Replace the LGC board.
•
Check the rollers in the ADU. Replace them
if they are worn out.
8 - 77
Measure
Remark
e-STUDIO2008A/2508A/3008A/3508A/4508A/5008A
ERROR CODE AND TROUBLESHOOTING
Next
Step
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