Toshiba e-STUDIO556 Service Manual page 660

Multifunctional digital systems

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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-

2. Replace the Replace the RADF board, and then perform the automatic adjustment for the

original reading start sensor (05-3210).

[C880] RADF original feed motor abnormality

1. Check if the connector CN76 on the RADF board is disconnected from the RADF original feed

motor or the harnesses are open-circuited. Correct if this is the case.

2. Replace the RADF original feed motor.

[C890] RADF read motor abnormality

1. Check if the connector CN76 on the RADF board is disconnected from the RADF read motor or

the harnesses are open-circuited. Correct if this is the case.

2. Replace the RADF read motor.

[C8A0] RADF original reverse motor abnormality

1. Check if the connector CN77 on the RADF board is disconnected from the RADF original reverse

motor or the harnesses are open-circuited. Correct if this is the case.

2. Replace the RADF original reverse motor.

[C8B0] RADF original exit motor abnormality

1. Check if the connector CN78 on the RADF board is disconnected from the RADF original exit

motor or the harnesses are open-circuited. Correct if this is the case.

2. Replace the RADF original exit motor.

[C8C0] RADF original reading start sensor abnormality

1. Check the RADF original reading start sensor (SR10). (Perform the input check: 03-[FAX]ON/[7]/

2. Check if the harness is open circuited and the connector pin is disconnected.

3. Replace the RADF original reading start sensor (SR10).

4. Check if the connector CN75 on the RADF board is disconnected from the RADF original reading

start sensor (SR10) or the harnesses are open-circuited. Correct if this is the case.

5. Replace the RADF board, and then perform the automatic adjustment for the original reading

start sensor (05-3210).

[C8E0] RADF communication protocol abnormality

1. Turn the power OFF and then back ON to check if the equipment operates normally.

e-STUDIO556/656/756/856/557/657/757/857

ERROR CODE AND TROUBLESHOOTING