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ERROR CODE AND TROUBLESHOOTING
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[EF14, EF1C] Jams in folding/exiting section
MJ-1033
[EF15] Saddle Stitch Finisher side alignment motor home position detection abnormality
MJ-1106/1108
Saddle controller board • Connector check (CN19)
• Board check
Replace parts Remarks
Exit sensor (S31)
Saddle controller board
Probable cause Checking and measures
Saddle stitch finishing tray sensor
(S7) abnormality
Measure the voltage on TP65 on the finisher control PC
board (FIN). Then check that the measured voltage is 1V or
lower when not shielded and within the range of 3.3V5%
when shielded. If the voltage does not fall within the range
mentioned, replace the sensor.
Saddle stitch exit path sensor (S5)
abnormality
Measure the voltage on TP68 on the finisher control PC
board (FIN). Then check that the measured voltage is 1V or
lower when not shielded and within the range of 3.3V5%
when shielded. If the voltage does not fall within the range
mentioned, replace the sensor.
Faulty cables and connectors Check if the electrical continuity between the connector
terminals is normal. If electricity is not conducted, replace the
connectors. (Finisher control PC board (FIN): CN15, CN16)
Finisher control PC board (FIN)
abnormality
If the error still occurs after replacing the sensors and the
connectors, exchange the finisher control PC board (FIN).
Classification Error item
Finisher jam (Saddle section) The side alignment motor home position cannot be detected.
Check item Measures
Finisher • Is there any mechanical problem when the jog is moved?
Side alignment home position sensor
(S36)
• Sensor check
• Connector check
• Harness check
Side alignment motor (M15) • Motor check
• Connector check
• Harness check
Saddle controller board • Connector check (CN5)
• Board check
Replace parts Remarks
Side alignment home position sensor
(S36)
Side alignment motor (M15)
Saddle controller board
Check item Measures
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