Epson WF-4740 - How to Downgrade your Firmware if an update now blocks 3rd party ink. Troubleshooting. FIRMWARE VERSIONS FOR REFERENCE:.
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Yoyoink.com How to do an Epson Printer Firmware Downgrade. Step 1. Link your Epson printer to your computer via the USB printer cable (Type A/B printer cable) ... 3925e8d270
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