Toshiba e-STUDIO556 Service Manual page 618

8.3.4 Cover open jam
[E410] Front cover open jam
Is the front cover open?
YES  Remove the 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])
NO 
l
l
l
l
l
l
l

YES
Replace the LGC board.
[E440] Right lower cover (feed cover) open jam
Is the feed cover open?
YES  Remove the paper if there is any, then close the cover.

NO
Is the side door switch working?
(Perform the input check in the test mode: 03-[FAX]ON/[2]/[A])
NO 
l
l
l
l
l
l
l
l

YES
Replace the LGC board.
e-STUDIO556/656/756/856/557/657/757/857
ERROR CODE AND TROUBLESHOOTING
1. Check if the connector for 24 V 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 circuited or
open circuited.
5. Replace the LGC board.
1. Check if the connector of the feed cover sensor is disconnected.
2. Check if the connector CN304 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 circuited or
open circuited.
5. Replace the feed cover sensor.
6. Replace the LGC board.
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