Toshiba e-STUDIO230L Service Handbook page 485

[E742] Jam not reaching the reverse sensor (feeding in reverse)
Is the reverse roller stained?
YES
NO
Is the reverse sensor working? (Perform the input check: 03-[FAX]ON/[7]/[F])
l NO
l
l
l
l
l
l
l
YES
Replace the RADF board.
[E743] Jam not reaching the exit sensor (feeding in reverse)
Are the reverse roller and read roller stained?
YES
NO
Is the exit sensor working? (Perform the input check: 03-[FAX]ON/[7]/[E])
l NO
l
l
l
l
l
l
l
YES
Replace the RADF board.
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Clean the roller.
1) Check if the connector of the reverse sensor is disconnected.
2) Check if the connector CN4 on the RADF board is disconnected.
3) Check if the connector pins are disconnected or the harnesses are
open circuited.
4) Check if the conductor pattern on the RADF board is short circuited
or open circuited.
5) Replace the reverse sensor.
6) Replace the RADF board.
Clean the rollers.
1) Check if the connector of the exit sensor is disconnected.
2) Check if the connector CN4 on the RADF board is disconnected.
3) Check if the connector pins are disconnected or the harnesses are
open circuited.
4) Check if the conductor pattern on the RADF board is short circuited
or open circuited.
5) Replace the exit sensor.
6) Replace the RADF board.
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e-STUDIO200L/202L/203L/230/232/233/280/282/283
TROUBLESHOOTING
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