Code :

Code: SC503
Description: Tray upper limit sensor disabled (3rd bank) Type: 4 - Description - The paper tray unit diagnostics notify the main control board when the 3rd bank upper limit sensor does not operate. - Detection Timing - When the power switch is turned on When the paper tray unit operates
Causes: • Paper tray unit • Main control board SP-Log: 7-402-5

Code: SC522
Description: Side fence jogger H.P. sensor abnormal - Stays off Type: 4 - Description - The main control board notifies the SCU when the jogger H.P. sensor does not go on even though the jogger was returned to the home position during the duplex tray side fence jogger homing process of the power-on sequence. - Detection Timing - During the duplex tray side fence jogger homing process of the power-on sequence
Causes: • Side fence jogger H.P. sensor SP-Log: 7-402-5

Code: SC523
Description: Side fence jogger H.P. abnormal - Stays on Type: 4 - Description - The main control board notifies the SCU when the jogger H.P. sensor does not go off even though the jogger was moved from the home position during the duplex tray side fence homing process. - Detection Timing - During the duplex tray side fence jogger homing process
Causes: • Side fence jogger H.P. sensor SP-Log: 7-402-5

Code: SC524
Description: End fence jogger H.P. sensor abnormal - Stays off Type: 4 - Description - The main control board notifies the SCU when the jogger H.P. sensor does not go on even though the jogger was returned to the home position during the duplex tray end fence jogger homing process of the power-on sequence. - Detection Timing - During the duplex tray end fence jogger homing process of the power-on sequence
Causes: • End fence jogger H.P. sensor SP-Log: 7-402-5

Code: SC525
Description: End fence jogger H.P. sensor abnormal - Stays on Type: 4 - Description - The main control board notifies the SCU when the jogger H.P. sensor does not go off even though the jogger was moved from the home position during the duplex tray end fence jogger homing process. - Detection Timing - During the duplex tray end fence jogger homing process
Causes: • End fence jogger H.P. sensor SP-Log: 7-402-5

Code: SC541
Description: Fusing (hot roller) thermistor open Type: 1 - Description - When the fusing (hot roller) thermistor outputs an analog value corresponding to 0°C, the main control board determines that the fusing thermistor is broken and notifies the SCU of this. - Detection Timing - Always
Causes: • Fusing (hot roller) thermistor • Main control board SP-Log: 7-402-5

Code: SC542
Description: Fusing (hot roller) warm-up error Type: 1 - Description - The main control board notifies the SCU when the fusing (hot roller) thermistor does not output an analog value corresponding to the ready temperature within 12 minutes after the power switch is turned on. - Detection Timing - When the power switch is turned on
Causes: • Fusing (hot roller) thermistor • Main control board SP-Log: 7-402-5

Code: SC543
Description: Fusing (hot roller) overheat Type: 1 - Description - When the fusing (hot roller) thermistor outputs an analog value corresponding to 200°C, the main control board detects an overheat and notifies the SCU of it. - Detection Timing - At all times
Causes: • Fusing (hot roller) thermistor • Main control board SP-Log: 7-402-5