45372301TH Rev.2
6-1 /
Oki Data CONFIDENTIAL
6. TROUBLESHOOTING
6.1 Troubleshooting
[EA10] Paper not detected
[EA20] Early arrival jam
Classification Error content
Paper jam in finisher section
Paper was not detected at the finisher within the set period after the
paper was fed by the main unit.
Check item Measures
Entrance transport sensor
• Sensor check (S1)
• Connector check (P7-2)
• Harness check
Finisher control PC board
• Board check
• Connector check (J7)
• Harness check
Parts to be replaced Remark
Entrance transport sensor
Finisher control PC board
Classification Error content
Paper jam in finisher section
A sheet of paper is fed and then the next sheet of paper is fed at an inter-
val shorter than the specified time.
Check item Measures
Transport path If there is paper in the paper transport path, remove the paper.
Entrance transport sensor
• Sensor check (S1)
• Connector check (P7-2)
• Harness check
Exit transport sensor
• Sensor check (S2)
• Connector check (P8-1)
• Harness check
Finisher control PC board
• Board check
• Connector check (J7,J8) J7: input, J8: output
• Harness check
Parts to be replaced Remark
Entrance transport sensor
Exit transport sensor
Finisher control PC board
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