Description: DC separation corona current leak
A dc separation feedback voltage of less than 0.5V was detected after more than 200 ms while the PWM duty value was more than 17%.
Causes: • T&S power pack defective. • Paper separation current cable defective. • Poor paper separation current cable connection.
Code: SC440
Description: Drum drive motor lock
The motor lock signal is on longer than 5 s while the drum drive motor is on.
Causes: • Drive mechanism overload. • Motor defective.
Code: SC441
Description: Development drive motor lock
SC441-1 Development drive motor lock signal is low longer than 5 s when the development motor stops. SC441-2 Development drive motor lock signal is high longer than 5 s when the development motor rotates.
Causes: • Drive mechanism overload • Motor defective • Motor disconnected
Code: SC506
Description: Registration motor lock
The registration motor lock signal is high longer than 5 s during operation.
Causes: • Drive mechanism overload. • Motor defective.
Code: SC508
Description: Cutter 1 home position error 1
Both left and right home position switches of the upper cutter were on just after the main switch was turned on, or just after the upper feed tray was opened and closed.
Causes: • Right or left home position switch defective.
Code: SC509
Description: Cutter 1 home position error 2
SC509-1 Left home position switch stays on 300 ms after the cutter starts moving from left to right. SC509-2 Right home position switch stays on 300 ms after the cutter starts moving from right to left.
Causes: • Cutter motor cable disconnected • Cutter motor overload • Motor defective