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Message: <blockquote data-quote="Phùng Phụng Yến" data-source="post: 26542" data-attributes="member: 529"><p><h3>Printer Yellow Color Issue</h3><h4>Problem Description</h4><p>Hello. I have 2 WF-579R printers with chipless firmware, both experiencing the same issue. The yellow color is not working properly. Instead of printing yellow, the printer prints black or sometimes cyan. Additionally, the printed patterns appear blurry.</p><p></p><h4>Troubleshooting</h4><p>I have tried numerous cleaning procedures, but the issue persists. Swapping ink cartridges does not solve the problem either. Even when using the correct yellow ink, the printer still prints blurry yellow with yellow ink in the cyan slot.</p><p></p><h4>Questioning Firmware</h4><p>One printer reached about 20k copies and the other about 3k before the yellow color issue arose. I am considering whether the problem may be related to the firmware. Is there an older chipless firmware version than CE16L7 that I can test?</p><p></p><p>Request for Assistance</p><p>Thank you for your help in advance!</p><p></p><h3>Printer Networking Issues</h3><h4>Problem Description</h4><p>I have over 100 WF-579R printers for trading after installing chipless firmware and keys. However, there are issues with the printers' Wi-Fi and LAN connections. They are not recognizing the LAN network, causing connectivity problems.</p><p></p><p>Urgent Request</p><p>If you have already resolved similar networking issues or have an updated firmware available (such as CE16L7), please let me know urgently so I can address this problem.</p><p></p><h3>Suggestion for Solution</h3><p>It appears that the issue with the yellow color is a hardware-related problem rather than a firmware issue. Therefore, I recommend contacting the printer developer, Epson, for assistance in resolving the problem. It is important to note that the firmware version has not been altered, suggesting that the root cause lies elsewhere.</p><h2>Contact Admin</h2><p><strong>Whatsapp</strong>: <a href="https://wa.me/+84915589236" target="_blank">https://wa.me/+84915589236</a></p><p><strong>Telegram</strong>: <a href="https://t.me/nguyendangmien" target="_blank">https://t.me/nguyendangmien</a></p><p><strong>Mobile/Zalo</strong>: <strong>0915 589 236</strong></p><p><strong>Facebook</strong>: <a href="https://www.facebook.com/nguyendangmien" target="_blank">https://www.facebook.com/nguyendangmien</a></p></blockquote><p></p>

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