Toshiba e-STUDIO520 Service Handbook page 402

[E800] 24 VDC supply off jam
Are the main unit and RADF working normally?
NO
YES
If the RADF opening / closing switch open circuited?
YES
Adjust the RADF opening switch.
[E860] Jam access cover open jam
Are the connector CN3 on the ADF board disconnected?
YES
NO
Is the jam access cover sensor working improperly?
YES
NO
Is the harness between the ADF board and jam access cover opening/closing switch open
circuited?
YES
NO
Is the jam access cover opening/closing switch working improperly?
YES
NO
Is the harness between the ADF board and RADF opening/closing switch open circuited?
YES
NO
Is the RADF opening/closing switch working improperly?
YES
NO
Is 24V supplied from the copier?
YES
NO
Check if the power at the copier is ON.
e-STUDIO520/523/600/603/720/723/850/853
TROUBLESHOOTING
Connect the connector.
Replace the harness.
Replace the jam access cover sensor.
Replace the harness.
Replace the cover open/close sensor.
Replace the harness.
Replace the RADF opening/closing switch.
Replace the ADF board.
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