Error Code: C-2704 Follow

Classification
Main body: High voltage unit/1 abnormality
 

Cause
An error detection signal of the charging corona/K is detected while the charging corona/K is active. The signal is detected even after you activate and deactivate the charging corona/K 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/1 (HV1)
• Charging corona/K
• 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 charger (charging wire and the grid), and clean or repair it if there is any dirt or abnormality.
3. Check the connector connection between HV1 and the charger, and the wiring. Then repair it when there is any abnormality. (Wiring diagram: Main body (3/5): 3-M)
4. Check the connector connection between PRCB and HV1, and the wiring. Then repair it when there is any abnormality. (Wiring diagram: Main body (3/5): 3-M)
5. Replace HV1.
6. Replace PRCB.