OKI ES3640 Error Codes list and solutions – Compatible Printer model: OKI ES3640 – OKI ES3640 Error Code description: Code: 001 Display: Service Call 001: Error Description: A heavy trouble of the CU substrate (defective substrate or power supply capacity shortage) was detected. Causes: Is the error display reproducible? Is the error display reproducible? Troubleshooting […]
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Epson Wic Key
Fix Epson red lights blinking with errors: Service Required, A printer's ink pad at the end of its service life Please contact Epson Support. Guaranty 100% money back if it does not work (counter still 100%) !!!