3 PS22 I/O check, sensor check PFTDB CN16-6 (ON) X-6 4 M23 operation check PFTDB CN14-3 to 4 X-9 5 Change M23 - 6 Change PFTDB - 7 Change PRCB 2 Check the connector of M23 for proper drive coupling and correct as necessary.
![konica minolta bizhub c452 error codes konica minolta bizhub c452 error codes](https://www.helpowl.com/manualimages/q/9/konica-minolta-bizhub-c220-bizhub-c220c280c360-network-administrator-user-guide-fa4cdbf_342_6650.png)
![konica minolta bizhub c452 error codes konica minolta bizhub c452 error codes](https://www.helpowl.com/manualimages/o/6/konica-minolta-bizhub-c452-bizhub-c452c552c552dsc652c652ds-network-administrator-user-guide-024cce6_323_b11d.png)
2 Check the connector of M25 for proper drive coupling and correct as necessary.
![konica minolta bizhub c452 error codes konica minolta bizhub c452 error codes](https://cf3.ppt-online.org/files3/slide/w/wetLVaDPB9Yf36EvTSGRXClnicKFJrIA5sMQgN/slide-15.jpg)
![konica minolta bizhub c452 error codes konica minolta bizhub c452 error codes](https://copier1.com/wp-content/uploads/2016/01/Konica-Minolta-Bizhub-C452a.jpg)
In this case, C2164 is displayed at the first detection and then aftÄescription: EEPROM access error (IU Y)