Radf Related Service Call - Toshiba e-STUDIO6520C Service Handbook

6.2.16

RADF related service call

[C730] EEPROM abnormality
1. Check the IC-1, -2 and around on the RADF board to see if there is any burnout or short-
circuiting.
2. Replace the Replace the RADF board, and then perform the automatic adjustment for the
original reading start sensor (05-356).
[C880] ADF feed motor abnormality
1. Check if the connector CN76 on the RADF board is disconnected from the ADF feed motor or the
harnesses are open-circuited. Correct if this is the case.
2. Replace the ADF feed motor.
[C890] ADF read motor abnormality
1. Check if the connector CN76 on the RADF board is disconnected from the ADF read motor or
the harnesses are open-circuited. Correct if this is the case.
2. Replace the ADF read motor.
[C8A0] ADF reverse motor abnormality
1. Check if the connector CN77 on the RADF board is disconnected from the ADF reverse motor or
the harnesses are open-circuited. Correct if this is the case.
2. Replace the ADF reverse motor.
[C8B0] ADF exit motor abnormality
1. Check if the connector CN78 on the RADF board is disconnected from the ADF exit motor or the
harnesses are open-circuited. Correct if this is the case.
2. Replace the ADF exit motor.
[C8C0] RADF original reading start sensor abnormality
1. Check if the RADF original reading start sensor is not damaged or stained.
2. Check that the prism is installed in the correct position and that it is not damaged.
3. Check if the connector CN75 on the RADF board is disconnected from the RADF original reading
start sensor or the harnesses are open circuited. Correct if so.
4. Replace the RADF original reading start sensor, and then perform the automatic adjustment for
the original reading start sensor (05-356).
5. Replace the RADF board, and then perform the automatic adjustment for the original reading
start sensor (05-356).
[C8E0] ADF communication protocol abnormality
1. Turn the power OFF and then back ON to check if the equipment operates normally.
e-STUDIO5520C/6520C/6530C
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