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© 2012 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO556/656/756/856(Ver03)
ERROR CODE AND TROUBLESHOOTING
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[E470] Left lower cover (exit cover) open jam
Is the exit cover close?
YES Remove paper if there is any, then close the cover.
NO
Is the voltage of 24V being supplied from the power supply unit?
(Perform the input check in the test mode: 03-[FAX] ON/[9]/[H])
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NO 1. Check if the connector for 24V power supply is disconnected.
2. Check if the connector CN344 on the LGC board is disconnected.
3. Check if the connector pins are disconnected and the harnesses are
open circuited.
4. Check if the conductor pattern on the LGC board is short- or open-
circuited.
5. Replace the LGC board.
YES
Is the exit cover switch working?
(Perform the input check in the test mode: 03-[FAX]OFF/[7]/[A]
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NO 1. Check if the connector of the exit cover switch is disconnected.
2. Check if the connector CN335 on the LGC board is disconnected.
3. Check if the connector pins are disconnected and the harnesses are
open circuited.
4. Check if the conductor pattern on the LGC board is short- or open-
circuited.
5. Replace the exit cover switch.
6. Replace the LGC board.
YES
Replace the LGC board.
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