Toshiba e-STUDIO2820C Service Handbook page 297

[E510] ADU transport stop jam
1. Open the ADU and check if there is any paper in front of the ADU entrance sensor.
* If the error still occurs, check the following.
2. Is the ADU entrance sensor working? (Perform the input check: 03-[FAX]ON/[4]/[B])
* If it is working properly, proceed to 7. If not, check 3 to 6 below.
3. Check if the connectors CN338 on the LGC board is disconnected from the ADU entrance sen-
sor or the harnesses are open circuited. Check if the connectors CN211 and CN214 on the ADU
board are disconnected. Correct if any.
4. Replace the ADU entrance sensor.
5. Replace the ADU board.
6. Replace the LGC board.
7. Is the exit motor (rotating in reverse) working? (Perform the output check: 03-121/171)
* If it is working properly, proceed to 11. If not, check 8 to 10 below.
8. Check if the connector CN332 on the LGC board is disconnected from the exit motor or the har-
nesses are open circuited. Correct if any.
9. Replace the exit motor.
10.Replace the LGC board.
11. Is the ADU motor working? (Perform the output check: 03-110/160)
* If it is working properly, proceed to 16. If not, check 12 to 15 below.
12.Check if the connectors CN338 on the LGC board is disconnected from the ADU motor or the
harnesses are open circuited. Check if the connectors CN211, CN212 and CN215 on the ADU
board are disconnected. Correct if any.
13.Replace the ADU motor.
14.Replace the ADU board.
15.Replace the LGC board.
16.Check the rollers in the ADU, the exit roller and the pressure spring of the equipment. Replace
them if they are worn out.
[E520] Stop jam in the ADU
1. Open the ADU and check if there is any paper in front of the ADU exit sensor.
* If the error still occurs, check the following.
2. Is the ADU exit sensor working? (Perform the input check: 03-[FAX]ON/[4]/[A])
* If it is working properly, proceed to 11. If not, check 3 to 10 below.
3. Check if the connectors CN338 on the LGC board is disconnected from the ADU exit sensor or
the harnesses are open circuited. Check if the connectors CN211 and CN213 on the ADU board
are disconnected. Correct if any.
4. Replace the ADU exit sensor.
5. Replace the ADU board.
6. Replace the LGC board.
7. Is the ADU clutch working? (Perform the output check: 03-222)
* If it is working properly, proceed to 11. If not, check 8 to 10 below.
8. Check if the connectors CN338 on the LGC board is disconnected from the ADU clutch or the
harnesses are open circuited. Correct if any.
9. Replace the ADU clutch.
10.Replace the LGC board.
11. Check the rollers in the ADU. Replace them if they are worn out.
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