Toshiba e-studio 2555c, Service Manual

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© 2012-2013 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
8 - 89
[EA2C] Paper transport jam in the Finisher (Entrance path - sub-path sensor)
MJ-1036
Probable cause Checking and measures
2nd transport motor (M4)
abnormality Check if the electrical continuity of the coil is normal. If electricity is
not conducted, replace the motor.
Entrance path sensor (S19)
abnormality Measure the voltage on TP86 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.
Middle path sensor (S7)
abnormality Measure the voltage on TP84 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.
Faulty cables and connectors Check if the electrical continuity between the connector terminals is
normal. If electricity is not conducted, replace the connector.
(Finisher control PC board (FIN): CN6, CN14, CN22)
Finisher control PC board
(FIN) abnormality If the error still occurs after replacing the sensor and the connector,
replace the finisher control PC board (FIN).
Classification Error content
Paper jam in finisher section Paper transport jam in the Finisher (Entrance path - sub-path
sensor)
Probable cause Checking and measures
1st transport motor (M8)
abnormality Check if the electrical continuity of the coil is normal. If electricity is
not conducted, replace the motor.
2nd transport motor (M4)
abnormality Check if the electrical continuity of the coil is normal. If electricity is
not conducted, replace the motor.
Entrance path sensor (S19)
abnormality Measure the voltage on TP86 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.
Sub-path sensor (S8)
abnormality Measure the voltage on TP85 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.
Stationary tray full detection
sensor (S11) abnormality 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±5% when shielded. If the
voltage does not fall within the range mentioned, replace the
sensor.
Faulty cables and connectors Check if the electrical continuity between the connector terminals is
normal. If electricity is not conducted, replace the connector.
(Finisher control PC board (FIN): CN6, CN10, CN14, CN22)
Finisher control PC board
(FIN) abnormality If the error still occurs after replacing the sensor and the connector,
replace the finisher control PC board (FIN).