Toshiba e-studio281c, Service Handbook, Page: 432 / 678

e-STUDIO281c/351c/451c © 2005 - 2008 TOSHIBA TEC CORPORATION All rights reserved
TROUBLESHOOTING
5 - 26
[E722] Jam not reaching the exit sensor (during scanning)
[E723] Jam not reaching the reverse sensor (during scanning)
[E724] Stop jam at the registration sensor
Is the read roller stained?
È YES Æ Clean the roller.
NO
Are the exit sensor and reverse sensor working?
(Perform the input check: 03-[FAX]ON/[7]/[E], [7]/[F])
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NO Æ 1) Check if the connectors of the exit sensor and reverse sensor are discon-
nected.
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 and reverse sensor.
6) Replace the RADF board.
YES
Replace the RADF board.
Is the registration roller stained?
È YES Æ Clean the roller.
NO
Is the registration sensor working? (Perform the input check: 03-[FAX]ON/[7]/[H])
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È
NO Æ 1) Check if the connector of the registration sensor is disconnected.
2) Check if the connector CN74 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 registration sensor.
6) Replace the RADF board.
YES
Replace the RADF board.