EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a Revision A
Troubleshooting Troubleshooting procedure 98
Confidential
ADF/SCN ERROR (9)
Error name
FB PID reverse detection (error code: 100066)
FB PID lock detection (error code: 100067)
FB PID excess load (error code: 100069)
FB BS+ reverse detection (error code: 100074)
FB BS+ lock detection (error code: 100075)
FB BS+ excess load (error code: 100077)
Cause
When rotated in the opposite direction to rotation direction
(There was a sudden load error, and the SCN motor rotated in the opposite direction in reaction to it)
State in which load of the SCN motor exceeds expected load, and motor does not rotate at all
State in which load of the SCN Motor exceeds expected load
Suspected cause
FFC disconnection insertion failure in ADF/SCN
Main Board failure
SCN Encoder failure
SCN Scale is dirty or damaged.
SCN Motor failure
Troubleshooting
Step Check and measure Yes No
1
Visually check the FFCs of the ADF/SCN Unit.
Check the FFCs (x2) in ADF/SCN to make sure that it is not inserted
obliquely or disconnected.
Go to step 2
Correctly insert the two FFCs.
If FFC is damaged, replace the ADF/SCN
Unit.
(Replace the unit even if one of the two
FFCs is damaged.)
2
Replace the ADF/SCN Unit.
Does the error occur after replacing the ADF/SCN Unit?
Go to step 3 End
3
Replace the Main Board Assy.
Does the error occur after replacing the Main Board Assy?
Contact the EPSON Service Department. End
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