Toshiba e-STUDIO520 Service Handbook page 450

[CC10] Microswitch abnormality
[Procedure 1]
Is the switch actuator for the inlet door working properly?
NO
YES
Is the inlet cover switch (MS1S) working normally?
NO
YES
Measure the voltage of J10-8 on the saddle stitcher controller PC board when the inlet door
is open. Is it 5V?
NO
YES
Measure the voltage between J1-1 (+) and J1-2 (-) on the saddle stitcher controller PC
board. Is it 24 V?
NO
YES
Check the wiring between J19 on the finisher controller PC board and J1 on the saddle
stitcher controller PC board. If there is no problem, replace the saddle stitcher controller PC
board.
[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 switcher controller PC board when the front
door is opened. Is it 5V?
NO
YES
Replace the saddle stitcher controller PC board.
e-STUDIO520/523/600/603/720/723/850/853
TROUBLESHOOTING
Fix the mechanism.
Replace the switch.
The inlet cover sensor (PI9S) is broken. Replace it.
Replace the saddle stitcher controller PC board.
Fix the mechanism.
Replace the switch.
The front door opening/closing sensor is broken. Replace it.
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