Error Code: C-2721 Follow

Classification
Main body: High voltage unit/2 abnormality
 

Cause
An error detection signal of the separation charger is detected while the separation charger is activated. The signal is detected even after you activate and deactivate the separation charger for a prescribed time.
 

Measures to take when an alert occurs
The main body and the option stop immediately.
 

Estimated abnormal parts
• High voltage unit/2 (HV2)
• Separation charger
• Printer control board (PRCB)
 

Solution
1. Check the connection of the high voltage contact of the process unit, and clean or repair it when there is any abnormality.
2. Check the connector connection between HV2 and the separation charger, and the wiring. Then repair it when there is any abnormality. (Wiring diagram: Main body (3/5): 7-M)
3. Check the connector connection between PRCB and HV2, and the wiring. Then repair it when there is any abnormality.
4. Replace HV2.
5. Replace PRCB.5