OKI C7500 Error Codes list and solutions – Compatible Printer model: OKI C7500 – OKI C7500 Error Code description: Code: – Display: Replace fuser Description: Fuser counter exceeded life. Troubleshooting Guides: 1) Is error message displayed? 2) Was fuser unit just replaced? Check fuser unit life. Replace fuser immediately or at next maintenance. Code: – […]