OKI C824n Error Codes list and solutions – Compatible Printer model: OKI C824n – OKI C824n Error Code description: Code: 122, 127, 128, 918 Description: FAN error Troubleshooting Guides: Duplex FAN does not drive during the Duplex printing. Cable connection condition and wiring condition of the Duplex FAN Check if the connectors are connected normally […]