FB BS+ excess load (error code: 100077)

Cause
  • The drive time of the motor exceeded the set time.
  • When rotated in the opposite direction to rotation direction
    (There was a sudden load error, and the motor rotated in the opposite direction in reaction to it)
  • State in which load of motor exceeds expected load, and motor does not rotate at all
Suspected cause
  • Paper jam paper remaining
  • Motor cable disconnected
  • ADF/SCN unit failure (main board failure, drive part damaged)
Troubleshooting
Step Confirmation and action Yes No
1

Check for a foreign object and jammed paper remaining
Check that there is no foreign object or paper jam remaining in the document feed path.

 Go to step 2

Remove the paper jam paper and foreign object
2

Check the connection state of the motor cable
Check the connection state of the motor cable.
Is the cable of the corresponding encoder correctly connected to the ADF/SCN main board (CN20, CN21, CN22)?

Replace the ADF/SCN Unit

Reconnect the motor cable.