Error codes konica minolta

Code: C2A14
Description:
Drum unit/K new release failure. The status with the new unit is not cleared after the new drum unit/K is set.
Causes:
• Drum unit/K • PH relay board (PHRYB)
Remedy:
1. Clean the connection between the drum unit/K and the developing unit/K if dirty. 2. Reinstall the drum unit/K. 3. Check the connector between the developing unit/K-relay CN214-PHRYB CN2 for proper connection and correct as necessary. 4. Replace the drum unit/K. 5. PHRYB ICP7 conduction check. 6. Replace PHRYB.