Toshiba e-studio 2555c, Service Manual, Page: 652 / 1558

e-STUDIO2555C/3055C/3555C/4555C/5055C © 2012-2013 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
8 - 96
[EA40] Cover open error
MJ-1108
[EA50] Stapling jam
MJ-1036
[EA50] Stapling jam
Classification Error content
Paper jam in finisher section Cover open error
Check item Measures
Cover • Close the front cover or the stationary tray if they are opened.
Front cover switch (SW1) • Sensor check
• Connector check
• Harness check
Stationary tray opening/closing
switch (SW2) • Sensor check
• Connector check
• Harness check
Finisher controller board • Connector check(CN16)
• Board check
Parts to be replaced Remark
Cover locking bracket If it is broken.
Front cover switch (SW1)
Stationary tray opening/closing
switch (SW2)
Finisher controller board
Classification Error content
Paper jam in finisher section Stapling jam
Probable cause Checking and measures
Staple unit stapling start position
sensor (S17) abnormality 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
±
5% when OFF. If the voltage
does not fall within the range mentioned, replace the staple unit.
Staple unit staple empty sensor
(S18) abnormality 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
±
5% when OFF. If the voltage
does not fall within the range mentioned, replace the staple unit.
Faulty cables and connectors 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)
Finisher control PC board (FIN)
abnormality If the error still occurs after replacing the staple unit and the
connectors, exchange the finisher control PC board (FIN).