Toshiba e-STUDIO556 Service Manual page 675

[Procedure 2]
Is the switch actuator for the front door working properly?
NO 

YES
Is the front cover switch (MS2S) working normally?
NO 

YES
Measure the voltage of J11-12 on the saddle stitcher controller PC board when the front
door is opened. Is it 5V?
NO 

YES
Replace the saddle stitcher controller PC board.
[Procedure 3]
Is the switch actuator for the delivery door working properly?
NO 

YES
Is the delivery cover switch working normally?
NO 

YES
Measure the voltage of J11-9 on the saddle stitcher controller PC board when the delivery
door is opened. Is it 5V?
NO 

YES
Replace the saddle stitcher controller PC board.
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Fix the mechanism.
Replace the switch.
The front door opening/closing sensor is broken. Replace it.
Fix the mechanism.
Replace the switch.
The delivery cover sensor (PI3S) is broken. Replace it.
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ERROR CODE AND TROUBLESHOOTING
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