Cover Open Jam - Toshiba e-STUDIO6520C Service Handbook

6.2.5

Cover open jam

[E400] Duplexing unit open jam
1. Close the duplexing unit if it is opened. Remove if there is any paper before closing it.
2. Is the voltage of 24V being supplied from the power supply unit? (Perform the input check: 03-
[COPY] ON/[6]/[A])
3. Check if the connector CN309 on the LGC board is disconnected from the connector CN403 on
the switching regulator or the harnesses are open circuited. Correct if any.
4. Check if the fuse (F201, F202, F203, and F204) on the switching regulator has blown.
5. Replace the PFC board.
6. Replace the switching regulator.
7. Is the interlock switch working properly? (Perform the input check: 03-[SCAN] ON/[4]/[G])
8. Check if the connector CN312 on the LGC board is disconnected from the interlock switch or the
harnesses are open circuited. Correct if any.
[E430] ADU open jam
1. Close the ADU if it is opened. Remove if there is any paper before closing it.
2. Is the ADU opening/closing switch working? (Perform the input check: 03-[FAX]ON/[2]/[C])
3. Check if the connector CN338 on the LGC board is disconnected from the ADU opening/closing
switch or the harnesses are open circuited. Check if the connectors CN211 and CN217 on the
ADU board are disconnected. Correct if any.
4. Replace the ADU opening/closing switch.
5. Replace the ADU board.
6. Replace the PFC board.
7. Replace the LGC board.
[E440] Paper feed cover open jam
1. Close the paper feed cover if it is opened. Remove if there is any paper before closing it.
2. Is the side door switch working? (Perform the input check: 03-[FAX]ON/[0]/[B])
3. Check if the connector CN348 on the LGC board is disconnected from the paper feed cover
switch or the harnesses are open circuited. Correct if any.
4. Replace the side door switch.
5. Replace the LGC board.
[E450] LCF side cover open jam
1. Close the LCF side cover if it is opened. Remove if there is any paper before closing it.
2. Is the LCF side cover opening/closing switch working? (Perform the input check: 03-[FAX]OFF/
[0]/[D])
3. Check if the connector CN349 on the LGC board is disconnected from the LCF side cover
opening/closing switch or the harnesses are open circuited. Check if the connectors CN1 and
CN6 on the LCF board are disconnected. Correct if any.
4. Replace the LCF side cover opening/closing switch.
5. Replace the LCF board.
6. Replace the LGC board.
[E480] Bridge unit open jam
1. Close the bridge unit if it is opened. Remove if there is any paper before closing it.
2. Is the bridge unit cover opening/closing detection switch working? (Perform the input check: 03-
[FAX]OFF/[5]/[E])
3. Check if the connector CN334 on the LGC board is disconnected from the bridge unit cover
opening/closing detection switch or the harnesses are open circuited. Correct if any.
4. Replace the bridge unit cover opening/closing detection switch.
5. Replace the LGC board.
e-STUDIO5520C/6520C/6530C
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