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MJ-1033
Probable cause
Finishing tray sensor (S2) abnormality
Faulty cables and connectors
Finisher control PC board (FIN)
abnormality
[EA40] Cover open error
Classification
Paper jam in finisher section
MJ-1101/MJ-1106
Check item
Cover
Front cover switch (SW1)
Stationary tray opening/closing
switch (SW2)
Finisher controller board
Parts to be replaced
Cover locking bracket
Front cover switch (SW1)
Stationary tray opening/closing
switch (SW2)
Finisher controller board
[EA40] Cover open detection error
MJ-1032
Probable cause
Sub-path opening/closing
sensor (S12) abnormality
Front cover switch (SW1)
abnormality
ES9160 MFP / ES9170 MFP
ERROR CODE AND TROUBLESHOOTING
Measure the voltage on TP26 on the finisher control PC board (FIN).
Then check that the measured voltage is 1V or lower when not
shielded and within the range of 3.3V
does not fall within the range mentioned, replace the sensor.
Check if the electrical continuity between the connector terminals is
normal. If electricity is not conducted, replace the connector. (Finisher
control PC board (FIN): CN8)
If the error still occurs after replacing the sensor and the connector,
exchange the finisher control PC board (FIN).
Error content
Cover open error
Measures
•
Close the front cover or the stationary tray if they are opened.
•
Sensor check
•
Connector check
•
Harness check
•
Sensor check
•
Connector check
•
Harness check
•
Connector check(CN16)
•
Board check
Remark
If it is broken.
Checking and measures
Measure the voltage on TP12 on the finisher control PC board
(FIN). Then check that the measured voltage is 1V or lower when
not shielded and within the range of 3.3V±5% when shielded. If the
voltage does not fall within the range mentioned, replace the
sensor.
Measure the voltage on TP77 on the finisher control PC board
(FIN). Then check that the measured voltage is 1V or lower when
the switch is ON and within the range of 3.3V ± 5% when OFF. If the
voltage does not fall within the range mentioned, replace the switch.
8 - 96
Checking and measures
±
5% when shielded. If the voltage
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