Question:
I’ve purchased a 2-pin plug power supply for my Epson L1800 DTF printer after frying the motherboard and the power supply. However, the new board is a 3-pin, while my old casing uses a 9-pin connection. Can you help me convert the power supply to accommodate my 3-pin setup?
Now, regarding your issue: since your printer casing originally used a 3-pin IEC input (Line, Neutral, and Ground), and the new power supply is a 2-pin type (Line and Neutral only), it’s important to proceed carefully to ensure safety and proper functionality. Here's how you can make the conversion:
How to Wire Your 2-Pin Power Supply Correctly
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Connect the Line (L):
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The Line wire, which is typically black or brown, should be connected to the input of the red rocker switch (this part may vary depending on your setup).
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Then, connect the output of this switch to the Line input on your 2-pin power supply. This ensures the live current flows safely to the power supply.
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Connect the Neutral (N):
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The Neutral wire, usually white or blue, should be connected directly to the Neutral input on the new 2-pin power supply. This wire helps complete the circuit by carrying current back to the power source.
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What to Do with the Ground (⏚):
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Since your 2-pin power supply doesn’t have a ground pin, the ground wire (green or green/yellow) from the original setup will not be connected to the power supply itself.
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If your printer has a metal chassis, securely attach the ground wire to a metal part of the printer frame to maintain grounding.
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If your printer has a plastic case, it’s crucial to safely cap and insulate the ground wire using a wire nut or heat shrink tubing to prevent any exposed connections. Please do not leave the ground wire exposed, as it could lead to electrical hazards.
Important Safety Tips:
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Never connect the ground wire to the Line or Neutral pins. This could create a dangerous short circuit or electrical shock hazard.
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Before turning the power on, always double-check continuity with a multimeter to ensure everything is connected correctly.
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Make sure all connections are tight and properly insulated to avoid shorts or electrical hazards.
Final Notes on Printer Repairs:
Addressing printer issues can be a complicated affair due to the hands-on nature of the problems. We are unable to provide remote troubleshooting or suggestions for printer repairs. However, we offer an in-person evaluation and repair service at our local diagnostic facility, which you can find here: BCH Technologies Printer Repair Service. Due to high demand, we operate on a first-come, first-served basis, so it may take a few weeks before we can assist you with your printer. Our services include repairs for the entire printer or specific parts, and we provide clear instructions on how to proceed.
Our rates may not be the most economical, so we encourage you to try self-help through online resources. You can begin by checking out our YouTube channel at the BCH Technologies YouTube Channel. Use the search icon next to "About" to find videos on your specific printer or problem. With over nine years of video content, I may not recall every single tutorial, but YouTube’s search feature is a great tool to locate the most relevant videos. Plus, YouTube often suggests other helpful resources.
Again, thank you for your question and your continued support. We’re always happy to help!
