Epson XP-4205 Not Recognizing Ink Cartridges After Firmware Update - Causes and Fixes

Question:

After updating my Epson XP-4205 printer, it stopped recognizing my third-party ink cartridges. I've already tried unplugging it for 10 minutes, but it still won't read them. What should I do?

Answer:

When your Epson XP-4205 stops recognizing third-party ink cartridges after a firmware update, the issue is almost always tied to Epson's new firmware itself. Epson periodically releases updates that prevent the use of third-party or remanufactured cartridges, allowing only Epson-branded chips to be detected. Once updated, your printer's mainboard firmware validates each cartridge's manufacturer ID and rejects non-Epson chips, displaying messages such as "Ink Cartridge Not Recognized" or "Replace Cartridge."

Unfortunately, unplugging or performing a basic reset won't reverse these firmware-level restrictions. Here's what you can try instead:

1. Clean the Cartridge Contacts:
   Remove the cartridges and carefully inspect the gold chip area. Use a lint-free swab dipped in isopropyl alcohol to clean any dirt or oxidation from the contacts. Let them dry completely before reinstalling.

2. Reinstall One Cartridge at a Time:
   Insert each cartridge slowly and firmly, allowing the printer to read it properly before closing the lid. Sometimes, the order and timing of insertion affect recognition.

3. Firmware Downgrade:
   The most reliable solution is to downgrade the printer's firmware to an earlier version that still supports third-party cartridges. This can be challenging because Epson actively restricts downgrades. Some reputable third-party suppliers provide downgrade tools or chip resetters designed for your specific printer model (XP-4205). Make sure to download firmware only from trusted sources.

4. Updated Third-Party Cartridges:
   Many aftermarket suppliers have already developed new chip versions compatible with Epson's latest firmware. Contact your cartridge vendor to see if they offer updated cartridges that match your printer's firmware version.

5. Advanced Recovery or EEPROM Repair (for experienced users):
   If the issue persists, you can try restarting the printer in Service Mode and using Epson's recovery firmware to overwrite the current version. Alternatively, software such as WICReset may allow a firmware rollback.
   In more severe cases, EEPROM corruption might be the root cause. Searching for a binary dump (bin dump + model number) may lead you to files that can be flashed back into the printer's memory using an EEPROM programmer. This process requires technical skill and care but can restore normal operation if the memory chip itself has failed.

Addressing printer issues can be a complicated affair due to the hands-on nature of the problems. Therefore, we're unable to offer remote troubleshooting or repair support. However, we do provide in-person diagnostic and repair services through our local facility, which you can learn about on our printer repair service page (https://bchtechnologies.com/printer-repair-service). We operate on a first-come, first-served basis, so please note that there may be a waiting period before your printer can be dropped off. Our repair options cover both full-printer service and individual component replacements.
If you prefer self-repair, we recommend checking out resources on our YouTube channel (https://youtube.com/@bchtechnologies). You can use the search bar next to the "About" tab to find relevant tutorials or browse similar troubleshooting videos from other creators that may offer additional insight.

Thank you again for reaching out and for your patience. We truly appreciate your support of BCH Technologies and your trust in our expertise.