[Error Code] Error code C0304 on bizhub 751

[mphile]

Hi All

I have a problem of error code C0304 n bizhub 751(ADU cooling fan).Straight forward copies is fine but duplex copies ,the error code appears.The main problem is i cannot find the ADU cooling in the machine.
I have checked it even in another machine its not there.Tested icps in the ADU board and icps in the printer control board, all are fine.
Please help guys.

[laitang]

Re: Error code C0304 on bizhub 751

BIZHUB-751-ADU_Cooling_Fan.JPG
[9]: ADU cooling fan

BIZHUB-751-ADU_Cooling_Fan2.JPG

[5]: ADU cooling fan