Troubleshooting Printer Power Issues After Installing Print Head Lock and Spring

Question

I purchased the Epson Printhead Lock with Spring for WF-3640 WF-3620 WF-7720 WF-7710 and followed the video to install. I put everything back together, but now the printer will not turn on. What could be the issue?

Answer

Thank you for contacting us. We at BCH Technologies are grateful for your engagement and support, particularly with regard to our YouTube channel (https://youtube.com/@bchtechnologies). Your feedback plays a crucial role in further developing our technical expertise.

Let's explore why your printer might not be turning on after installing the print head lock and spring. This issue can arise from several factors related to the reassembly process:

1. Power Supply Connections: Ensure that all power supply cables are securely connected. Sometimes, a loose connection can prevent the printer from powering on. Double-check both the internal and external power connections.
2. Internal Cables and Connectors: When reassembling the printer, it's easy to accidentally disconnect or improperly reconnect internal cables. Open the printer again and verify that all internal ribbon cables and connectors are firmly in place.
3. Check for Obstructions: During reassembly, small components or debris can get lodged in the printer. Inspect the interior for any obstructions that might be preventing the printer from functioning properly.
4. Print Head Lock Installation: Although the print head lock itself does not affect the printer's ability to power on, an improper installation can cause other issues. Ensure that the print head lock and spring are correctly installed and that they are not interfering with any other components.
5. Fuses and Circuit Breakers: Some printers have internal fuses or circuit breakers that can blow or trip if there is a short circuit. Check the fuses and reset any tripped breakers.
6. Motherboard and Electronics: It's possible that the motherboard or other electronic components were accidentally damaged during the installation process. Inspect the motherboard for any visible signs of damage, such as burnt components or broken solder joints.
7. Consult the Manual: Refer to your printer's service manual for specific troubleshooting steps related to power issues. The manual can provide detailed diagrams and instructions for checking various components.

For a visual guide, you can refer to our detailed installation videos on our YouTube channel (https://www.youtube.com/@bchtechnologies), where we cover various aspects of printer repair and maintenance.

Addressing printer issues can be a complicated affair due to the hands-on nature of the problems. 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 once again for reaching out to us. We appreciate your support and engagement.