How to Install a Fuse on an Epson ET-8550 EcoTank Printer

Question

How do I install a fuse on the Epson ET-8550 EcoTank printer? I purchased the PPO-EP-Fuse-L and have no idea where to place it on the mainboard. Any assistance would be greatly appreciated. I was looking on your website and can't figure out what to purchase that will give me the answer to my issue.

Answer

Thank you for contacting us. At BCH Technologies, we are grateful for your engagement and support, particularly with regard to our YouTube channel. Your feedback plays a crucial role in further developing our technical expertise.

To install the fuse you purchased (PPO-EP-Fuse-L) on your Epson ET-8550 EcoTank printer's mainboard, you can find a detailed picture of the fuse location on the same page where you bought the product (https://bchtechnologies.com/f1-fuse-also-f2-f3-for-epson-mainboard-fix-error-0x9a-or-031006-on-wf-7720-wf-7710-wf-3640-wf-3620-wf-8510-et-8550-xp-15000/).

Steps to Install the Fuse

1. Locate the Fuse Position: Refer to the detailed picture on the product page to identify the exact location of the fuses on the mainboard.
2. Remove the Mainboard: If you need to know how to remove the mainboard, you can refer to this video tutorial (https://youtu.be/h1P-DIaczS8) which provides step-by-step instructions.
3. Check the Capacitors: For this model, especially if you are trying to resolve the 031006 error, it is essential to check the capacitors as well. You can find more information in these videos: Video 1 (https://youtu.be/eheZ4MVVM64) and Video 2 (https://youtu.be/eH_hpit1IxY).
4. Install the Fuse: Carefully place the new fuse in the designated spot on the mainboard. We have a couple of videos showing how to solder the F1 fuses. Ensure that it is securely in place and that there are no loose connections.
5. Reassemble the Printer: After installing the fuse, reassemble the printer by following the reverse steps of the disassembly process. Make sure all connections are tight and secure.
6. Test the Printer: Turn on the printer to check if the issue has been resolved. If the error persists, further troubleshooting or professional assistance may be required.

Addressing printer issues can be a complicated affair due to the hands-on nature of the problems. For instance, resolving a simple clog might involve advice on unclogging procedures. However, if the printer remained inactive during downtime, a comprehensive service for the ink system could be necessary. Situations like a "paper jam" can arise from hundreds of potential causes, and solving such an issue has become something of an in-office jest. So, we're not able to provide remote troubleshooting, suggestions, or support for printer repairs. We offer an in-person evaluation and repair service via our local diagnostic facility (https://bchtechnologies.com/printer-repair-service). Given the high demand, we operate on a first-come, first-served basis. So, it might take a few weeks before we can get your printer to drop it off or mail it to us. Our services are structured to repair either a whole printer or specific parts, with clear instructions on how to proceed if you opt for mail-in or local drop-off services. However, we acknowledge that our rates aren't the most economical. Thus, we highly recommend that you resort to self-help via online research. You can start by checking out YouTube or visiting our YouTube channel's homepage (https://youtube.com/@bchtechnologies). Look for specific videos using the search icon next to "About" on the right-hand side of the menu bar. I receive dozens of queries every day asking about videos for specific topics. Having created videos over the past nine years, it's challenging to remember every single one. Therefore, using YouTube's search function would be most efficient. Plus, YouTube might suggest relevant videos from other channels that could assist you.

Thank you again for reaching out to us.