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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
MUST-HAVE for Printer Mainboard Repair: A Comprehensive Review of the Andonstar AD249S Microscope
In this article, we will dive into the Andonstar AD249S microscope and explore how it can help you with your soldering needs. This powerful tool is equipped with several lenses, including lens "A," which has a work distance ranging from 12 millimeters to 320 millimeters and a magnification range of 18 times to 720 times, making it perfect for PCB board repair, coin and note inspection, and soldering components.With its easy setup menu and instruction menu, the Andonstar AD249S microscope is an i
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Mar 6th 2023