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[E724] Stop jam at the registration sensor
1. Clean the registration roller if it is stained.
2. Is the registration sensor working? (Perform the input check: 03-[FAX]ON/[7]/[H])
* If it is working properly, proceed to 6. If not, check 3 to 5 below.
3. Check if the connector CN74 on the RADF board is disconnected from the registration sensor or
the harnesses are open circuited. Correct if any.
4. Replace the registration sensor.
5. Replace the RADF board.
6. Replace the registration roller if it is worn out.
[E725] Stop jam at the read sensor
1. Clean the read roller if it is stained.
2. Is the read sensor working? (Perform the input check: 03-[FAX]ON/[7]/[G])
* If it is working properly, proceed to 6. If not, check 3 to 5 below.
3. Check if the connector CN75 on the RADF board is disconnected from the read sensor or the
harnesses are open circuited. Correct if any.
4. Replace the read sensor.
5. Replace the RADF board.
6. Replace the read roller if it is worn out.
[E726] Transport/exit signal reception jam
1. If any original remains in the RADF, remove it.
2. If any paper remains in the equipment, remove it.
3. Turn the power OFF and then back ON. If the jam still occurs, perform the following procedure.
4. Check the connection between the RADF board and SLG board, and the connection between
the RADF board and switching power supply.
* Are the connection of the connectors and joint connectors normal?
* Are the connector pins connected or are the harnesses open circuited?
5. Check if the 24V and 5V outputs of the switching power supply are normal.
6. Check if the conductor pattern on the RADF board is short circuited or open circuited.
7. Replace the RADF board.
8. Check if the conductor pattern on the SLG board is short circuited or open circuited.
9. Replace the SLG board.
[E731] Stop jam at the exit sensor
1. Clean the exit roller if it is stained.
2. Is the exit/reverse sensor working? (Perform the input check: 03-[FAX]ON/[7]/[E])
* If it is working properly, proceed to 6. If not, check 3 to 5 below.
3. Check if the connector CN4 on the RADF board is disconnected from the exit/reverse sensor or
the harnesses are open circuited. Correct if any.
4. Replace the exit/reverse sensor.
5. Replace the RADF board.
6. Replace the exit roller if it is worn out.
[E860] RADF jam access cover open
1. Close the RADF jam access cover if it is opened. Remove if there is any original before closing it.
2. Is the RADF jam access cover switch working? (Perform the input check: 03-[FAX]ON/[7]/[C])
* If it is working properly, proceed to 6. If not, check 3 to 5 below.
3. Check if the connector CN8 on the RADF board is disconnected from the RADF jam access
cover switch or the harnesses are open circuited. Correct if any.
4. Replace the RADF jam access cover switch.
5. Replace the RADF board.
e-STUDIO2020C/2330C/2820C/2830C/3520C/3530C/4520C
ERROR CODE AND TROUBLESHOOTING
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