Error codes konica minolta

Code: C2414
Description:
Developing unit/K new article release. The status with the new unit is not cleared after the new developing unit/K is set.
Causes:
• Developing unit/K • PH relay board (PHRYB)
Remedy:
1. Reinstall the developing unit/K. 2. Check the connector between the developing unit/K-relay CN214-PHRYB CN2 for proper connection and correct as necessary. 3. Replace the developing unit/K. 4. PHRYB ICP7 conduction check. 5. Replace PHRYB.