Toshiba e-STUDIO556 Service Manual page 622

[E724] Stop jam at the original registration sensor
1. Clean the original registration roller if it is stained.
2. Is the original 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 original registration
sensor or the harnesses are open circuited. Correct if any.
4. Replace the original registration sensor.
5. Replace the RADF board, and then perform the automatic adjustment for the original reading
start sensor (05-3210).
6. Replace the original registration roller if it is worn out.
[E726] Transport/exit signal reception jam during ADF standby status
1. Check if there is any paper in the RADF. Remove it if there is.
2. Check if there is any paper in the equipment. Remove it if there is.
3. If a jam still occurs, turn the power OFF and then back ON to check if the equipment operates
normally.
[E727] Jam not reaching the original reading end sensor
1. Check the RADF position adjustment.
 P.6-68 "6.15.1 RADF position adjustment"
2. Check the Adjustment of the Reversing Automatic Document Feeder (RADF).
 P.6-68 "6.15 Adjustment of the RADF"
3. Clean the reading start roller and the reading end roller if they are stained.
4. Is the original reading end sensor working? (Perform the input check: 03-[FAX]ON/[5]/[D])
* If it is working properly, proceed to 8. If not, check 5 to 7 below.
5. Check if the connector CN75 on the RADF board is disconnected from the original read end
sensor or the harnesses are open-circuited. Correct if this is the case.
6. Replace the original reading end sensor.
7. Replace the RADF board, and then perform the automatic adjustment for the original reading
start sensor (05-3210).
8. Replace the reading start roller and the reading end roller if they are worn out.
[E729] Original reading end sensor paper remaining jam
1. Clean the reading end roller if it is stained.
2. Is the original reading end sensor working? (Perform input check: 03: [FAX]/ON/[5]/[D])
* 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 original reading end
sensor or the harnesses are open-circuited. Correct if this is the case.
4. Replace the original reading end sensor.
5. Replace the RADF board, and then perform the automatic adjustment for the original reading
start sensor (05-3210).
6. Replace the reading end roller if it is worn out.
[E731] Stop jam at the original exit sensor
1. Clean the exit roller and the exit intermediate roller if they are stained.
2. Is the original exit 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 CN75 on the RADF board is disconnected from the original exit sensor or
the harnesses are open circuited. Correct if any.
4. Replace the original exit sensor.
5. Replace the RADF board, and then perform the automatic adjustment for the original reading
start sensor (05-3210).
6. Replace the exit roller and the exit intermediate roller if they are worn out.
e-STUDIO556/656/756/856/557/657/757/857
ERROR CODE AND TROUBLESHOOTING
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