Toshiba e-STUDIO556 Service Manual page 576

[E744] Stop jam at the original exit/reverse sensor
1. Clean the exit/reverse intermediate roller if it is stained.
2. Is the original exit/reverse sensor working? (Perform input check: 03: [FAX]/ON/[5]/[B])
* 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/reverse
sensor or the harnesses are open-circuited. Correct if this is the case.
4. Replace the original exit/reverse sensor.
5. Replace the RADF board, and then perform the automatic adjustment for the original reading
start sensor (05-3210).
6. Replace the exit/reverse intermediate roller, if it is worn out.
[E745] Jam not reaching the original exit/reverse sensor
1. Clean the exit intermediate roller if it is stained.
2. Is the original exit/reverse sensor working? (Perform input check: 03: [FAX]/ON/[5]/[B])
* 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/reverse
sensor or the harnesses are open-circuited. Correct if this is the case.
4. Replace the original exit/reverse sensor.
5. Replace the RADF board, and then perform the automatic adjustment for the original reading
start sensor (05-3210).
6. Replace the exit intermediate roller, if it is worn out.
[E746] Original exit/reverse sensor paper remaining jam
[E762] Original registration sensor paper remaining jam
[E770] Original width detection sensor-1 paper remaining jam
[E771] Original width detection sensor-2 paper remaining jam
[E772] Original width detection sensor-3 paper remaining jam
[E773] Original intermediate transport sensor paper remaining jam
[E774] Original reading start sensor paper remaining jam
[E775] Original reading end sensor paper remaining jam
[E777] Original exit sensor paper remaining jam
1. Check if there is any paper on each sensor. Remove it if there is.
2. Is each sensor working?
(Perform input check: 03)
[E746]: [FAX]/ON/[5]/[B], [E762]: [FAX]/ON/[7]/[H],
[E770]: [FAX]/ON/[8]/[F], [E771]: [FAX]/ON/[8]/[G],
[E772]: [FAX]/ON/[8]/[H], [E773]: [FAX]/ON/[7]/[F],
[E774]: [FAX]/ON/[7]/[G], [E775]: [FAX]/ON/[5]/[D],
[E777]: [FAX]/ON/[7]/[E]
3. Check if the connector CN74 or CN75 on the RADF board is disconnected from each sensor or
the harnesses are open-circuited. Correct if this is the case.
4. Replace each sensor.
* If the original reading start sensor is replaced, perform automatic adjustment (05-3210) for it.
5. Replace the RADF board, and then perform the automatic adjustment for the original reading
start sensor (05-3210).
e-STUDIO556/656/756/856(Ver03)
ERROR CODE AND TROUBLESHOOTING
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