Error codes konica minolta

Code: C2651, C2652, C2653
Description:
• C2651: EEPROM access error (IU C) • C2652: EEPROM access error (IU M) • C2653: EEPROM access error (IU Y)
• The re-written data, which has been read out, checked and founded as error, is read out again and found as error. • The error was found when reading out the counter value.
Causes:
• Imaging unit/C • Imaging unit/M • Imaging unit/Y • PH relay board (PHRYB) • MFP board (MFPB)
Remedy:
1. Clean the connection between the imaging unit and the machine if dirty. 2. Reinstall the imaging unit. 3. Check the connector between the imaging unit/Y-relay CN204-PHRYB CN4 for proper connection and correct as necessary. 4. Check the connector between the imaging unit/M-relay CN207-PHRYB CN5 for proper connection and correct as necessary. 5. Check the connector between the imaging unit/C-relay CN211-PHRYB CN5 for proper connection and correct as necessary. 6. Replace the imaging unit. 7. Replace PHRYB. 8. Replace MFPB.