C-2720
Classification
Main body: 2nd transfer abnormality
Cause
An error detection signal of the 2nd transfer is detected continuously for a specified period of time.
Measures to take when alert occurs
The main body and the option stop immediately.
Estimated abnormal parts
• High voltage power supply/2 (HVPS/2)
• Printer control board (PRCB)
Correction
Note
• The message "Please call service" is displayed on the panel.
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 and the wiring between HVPS/2 and the 2nd transfer roller/Up, and repair it when there is any
abnormality. (Wiring diagram: Main body (4/5): 14-L)
3. Check the connector connection and the wiring between HVPS/2 and DCPS/3, and repair it when there is any abnormality.
4. Check the connector connection and the wiring between PRCB and HVPS/2, and repair it when there is any abnormality.
5. Replace the HVPS/2
6. Replace PRCB.