EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a Revision A
Troubleshooting Troubleshooting procedure 91
Confidential
ADF/SCN ERROR (2)
Error name
ADF PID reverse detection (error code: 100002)
ADF PID lock detection (error code: 100003)
ADF PID excess load (error code: 100005)
Cause
When rotated in the opposite direction to rotation direction
(There was a sudden load error, and the ADF motor rotated in the opposite direction in reaction to it)
State in which load of the ADF Motor exceeds expected load, and the motor does not rotate at all
State in which load of the ADF Motor exceeds expected load
Suspected cause
Collision with a foreign object
Excess sliding load (such as grease shortage, etc.)
FFC disconnection insertion failure in ADF/SCN
ADF Encoder failure
ADF Scale is dirty or damaged.
ADF Motor failure
Main Board 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, disconnected, or damaged.
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
Visually check the gear train parts.
Check the gear train parts to make sure that there is no foreign object on or
damage to them.
Go to step 3
Remove the foreign object.
Replace the ADF/SCN Unit if the gear is
damaged.
3
Replace the ADF/SCN Unit.
Does the error occur after replacing the ADF/SCN Unit?
Replace the Main Board Assy.
(If the trouble is not resolved, contact the
EPSON Service Department.)
End
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