Replace the fan. It is possible to have 2 speeds.
We have a Xerox WC5330 after every print out that shows an error 091-314 in service manual documant / Fuser Fan Fault
i checked the rotates fan / ok
ichecked wire betwin fan connection and MCU Board / ok
i changed the fan and MCU board give same error 091-314please, any solution for this error (091-314)