1.SC Codes
105
If they are defective, replace them. Turn the main power OFF and then ON.
4. Check the harnesses.
If they are defective, replace them. Turn the main power OFF and then ON.
5. Replace the main PCB.
SC504-32
Error Name
Vacuum Feed LCIT 1 Tray 1 Sub Paper Remaining Sensor or Lower Limit Sensor Error
Pattern
B
Error Condition
During tray initialization, both the lower limit sensor and the paper height middle sensor remained on for
a prescribed time.
Major Cause
ï‚· Power of downstream unit is not turned on.
ï‚· Lower limit sensor is defective or not connected properly.
ï‚· Paper height middle sensor is defective or not connected properly.
ï‚· Harnesses are damaged.
ï‚· PCB is defective.
Solution
In addition to checking for sensor/actuator defect by eye, also execute Input/Output Check as
necessary.
1. Check the connector of the paper height middle sensor harness.
Reconnect the connector. Turn the main power OFF and then ON.
2. Check the lower limit sensor and paper height middle sensor.
If they are defective, replace them. Turn the main power OFF and then ON.
3. Check the harnesses of the lower limit sensor and paper height middle sensor.
If the harnesses are defective, replace the harnesses. Turn the main power OFF and then ON.
4. Check the mechanical components of the tray lift unit (tray bottom plate / wire / pulley / feeler)
If they are defective, replace them. Turn the main power OFF and then ON.
5. Replace the main PCB.
SC504-34
Error Name
Vacuum Feed LCIT 1 Tray 1 Belt Unit Set Error
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