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ERROR CODE and TROUBLESHOOTING
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[F521] Integrity check error
[F550] Encryption partition error
[F600] F/W update error
Classification Error item
Other service call Authentication of program data failed.
Check item Measures
Setting Restart the equipment.
If the error is not recovered after restarting the equipment,
reinstall software following the procedure below.
(1) Turn the power OFF.
(2) Turn the power back ON while pressing the [4] and [9]
buttons simultaneously.
(3) The authentication screen is displayed. Enter the
password. (Password entry is not required under the
default setting.)
(4) Key in [1] to select “1. SYSTEM FIRMWARE (OS
data)” and [4] to select “4. SYSTEM SOFTWARE (OS
data) “, and then press the [START] button.
(5) When updating is completed properly, “Update
successful completed Restart the MFP” is displayed on
the touch panel.
Replace parts Remarks
Classification Error item
Other service call The encryption partition fails to be read and written.
Check item Measures
Setting • Recover the encryption key with [3] + [C] + [POWER] 5.
Replace parts Remarks
Classification Error item
Other service call The firmware fails to be updated.
Check item Measures
Setting 1. Perform [3] + [C] + [POWER] -> [1] -> [START] for “Clear
Error Flag in Software Installation”.
2. Reinstall the firmware in error displayed on the F600 error
screen.
Replace parts Remarks
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