Toshiba e-STUDIO 2555C Service Manual page 652

[EA40] Cover open error
Classification
Paper jam in finisher section
MJ-1108
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
[EA50] Stapling jam
Classification
Paper jam in finisher section
MJ-1036
Probable cause
Staple unit stapling start position
sensor (S17) abnormality
Staple unit staple empty sensor
(S18) abnormality
Faulty cables and connectors
Finisher control PC board (FIN)
abnormality
[EA50] Stapling jam
e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
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.
Stapling jam
Measure the voltage on TP23 on the finisher control PC board (FIN).
Then check that the measured voltage is 1V or lower when the sensor
is ON and within the range of 3.3V
does not fall within the range mentioned, replace the staple unit.
Measure the voltage on TP24 on the finisher control PC board (FIN).
Then check that the measured voltage is 1V or lower when the sensor
is ON and within the range of 3.3V
does not fall within the range mentioned, replace the staple unit.
Check if the electrical continuity between the connector terminals is
normal. If electricity is not conducted, replace the connectors. (Finisher
control PC board (FIN): CN17)
If the error still occurs after replacing the staple unit and the
connectors, exchange the finisher control PC board (FIN).
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Error content
Checking and measures
±5% when OFF. If the voltage
±5% when OFF. If the voltage