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Troubleshooting the Epson ST-4000: Printhead and FFC Ribbon Wire Replacement Guide
Question: I found BCH Technologies through your YouTube channel while searching for a solution to error code 031006 on my Epson ST-4000 printer. After attempting to clean the print head, I discovered that fuse F301 was blown. Despite successfully replacing the fuse, the issue persisted, and further investigation leads me to believe I may have damaged the main board, as the printer won't power on anymore. After your guidance, I examined the printhead and noticed black ink contamination on th
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Apr 1st 2024