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 - 95
[EA40] Cover open detection error
MJ-1036
[EA40] Door open jam
MJ-1107
Classification Error content
Paper jam in finisher section Cover open error
Probable cause Checking and measures
Sub-path opening/closing
sensor (S12) abnormality 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.
Front cover switch (SW1)
abnormality 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.
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): CN10, CN13)
Finisher control PC board
(FIN) abnormality
If the error still occurs after replacing the switches, sensor and connector,
exchange the finisher control PC board (FIN).
Classification Error content
Paper jam in finisher section Door open jam
Check item Measures
Front cover • Close the front cover if it’s open.
Front cover switch • Switch check(SW1)
• Connector check (CN16)
• Harness check
Stationary tray opening/closing
switch • Switch check(SW2)
• Connector check (CN16)
• Harness check
Finisher controller PC board • Switch check
• Connector check (CN16)
• Harness check
Parts to be replaced Remark
Handle cover If it is broken.
Front cover switch
Stationary tray opening/closing
switch
Finisher controller PC board