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June 2005 © TOSHIBA TEC e-STUDIO281c/351c/451c TROUBLESHOOTING
5 - 27
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[E725] Stop jam at the read sensor
[E731] Stop jam at the exit sensor
[E860] RADF jam access cover open
Is the read roller stained?
È
YES Æ Clean the roller.
NO
Is the read sensor working? (Perform the input check: 03-[FAX]ON/[7]/[G])
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È
NO Æ 1) Check if the connector of the read sensor is disconnected.
2) Check if the connector CN75 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 read sensor.
6) Replace the RADF board.
YES
Replace the RADF board.
Is the exit roller stained?
È
YES Æ Clean the roller.
NO
Is the exit sensor working? (Perform the input check: 03-[FAX]ON/[7]/[E])
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È
NO Æ 1) Check if the connector of the exit sensor is disconnected.
2) Check if the connector CN75 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.
YES
Replace the RADF board.
Is the RADF jam access cover opened?
È
YES Æ Remove the original, if any, and close the jam access cover.
NO
Is the RADF jam access cover switch working? (Perform the input check: 03-[FAX]ON/[7]/[C])
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NO Æ 1) Check if the connector of the RADF jam access cover switch is discon-
nected.
2) Check if the connector CN72 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 RADF jam access cover switch.
6) Replace the RADF board.
YES
Replace the RADF board.