Toshiba E-STUDIO520, Руководство по обслуживанию, Страница: 366 / 592

e-STUDIO520/600/720/850 TROUBLESHOOTING March 2005 © TOSHIBA TEC
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[E723] Original not reaching small original reverse sensor (during scanning)
[E751] Original stopping at original intermediate transport sensor
[E752] Original not reaching original intermediate transport sensor
[E728] Original not reaching small original exit sensor (during scanning)
[E732] Original stopping at small original exit sensor
[E741] Original stopping at small original reverse sensor
[E742] Original not reaching small original reverse sensor (during reverse feeding)
[E743] Original not reaching small original exit sensor (during reverse feeding)
[E725] Original stopping at read sensor (while its back side is being scanned)
[E726] Transport/exit signal reception jam
Are the registration roller, read roller and small original reverse roller stained?
!
YES
"
Clean the rollers.
NO
Are the small original exit flapper and small original reverse flapper operating normally?
!
NO
Adjust the small original exit solenoid.
Are the read roller and registration roller stained?
!
YES
"
Clean the rollers.
NO
Replace the rollers.
1) If the 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, lead the following proce-
dure.
4) Check the connection between the ADF board and SLG board, and the connection
between the ADF board and switching power supply.
-
Are the connection of the connectors and joint connectors normal?
- Are the connector pins disconnected 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 ADF board is short circuited or open circuited.
7) Replace the ADF board.
8) Check if the conductor pattern on the SLG board is short circuited or open circuited.
9) Replace the SLG board.
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