Epson chipless firmware WF-7710, WF-7711, WF-7715, WF-7720, WF-7721, PX-M5080F, PX-M5081F allows certain printer models to operate without needing to detect ink cartridge chips. This can be useful for those who refill cartridges or use continuous ink supply systems (CISS), as it bypasses the printer's ink level monitoring and potential rejections of non-genuine or refilled cartridges.
Based on the search results, chipless firmware and activation keys are available for the Epson printer models you listed:
WF-7710
WF-7711
WF-7715
WF-7720
WF-7721
PX-M5080F
PX-M5081F
Here's a summary of what the search results indicate:
How it Works:
Modified Firmware: Chipless firmware is a modified version of the printer's original firmware. This new firmware is uploaded to the printer.
Bypassing Chip Detection: The primary function of this modified firmware is to make the printer ignore the ink cartridge chips. This means the printer will not stop printing due to "unrecognized cartridge" errors or low ink warnings based on chip readings.
Activation Key: To enable the chipless functionality after installing the modified firmware, an activation key is typically required. This key is usually purchased from third-party vendors.
Software: You'll generally need specific software to flash the chipless firmware onto your printer and then another piece of software (or a function within the same software) to apply the activation key.
Recovery Code: It's common for the activation process to provide a recovery code. This is important in case you accidentally update the printer's firmware from Epson later (which would overwrite the chipless firmware) or if you need to restore the chipless firmware for other reasons.
Where to Find Keys and Firmware:
Several websites and vendors appear in the search results offering chipless firmware and activation keys for these Epson models. Some frequently mentioned names include:
Inkchip.net: Often cited as a source for the chipless firmware itself and the activation keys.
Wicreset / Wic.edu.vn / Resetmayin.vn: These appear to be Vietnamese-based sources that provide information, download links for firmware and activation software, and sell activation keys. They also often mention "WIC Reset Utility," which is a known tool for printer maintenance, including firmware downgrades and resets that can be prerequisites for installing chipless firmware.
Alibaba/eBay: Activation keys are also listed on marketplaces like Alibaba and eBay, often sold by various electronics or printer supply vendors.
Important Considerations:
Third-Party Solution: Chipless firmware is a third-party modification and is not endorsed or supported by Epson.
Warranty Void: Installing chipless firmware will likely void your printer's manufacturer warranty.
Firmware Version Compatibility: You must ensure the chipless firmware you download is compatible with your printer's current firmware version. Sometimes, you may need to downgrade your printer's official firmware before you can install the chipless version. The vendors usually provide instructions and tools for checking compatibility.
One Key Per Printer: Activation keys are typically for a single printer and are non-refundable.
Manual Ink Monitoring: Once chipless, the printer will no longer accurately track ink levels via the chips. You'll need to manually monitor your ink levels to avoid running the printhead dry, which can cause damage.
Do Not Update Firmware (from Epson): After installing chipless firmware, you should not update your printer's firmware from Epson, as this will overwrite the chipless version and you'll need to reactivate it (if possible, using your recovery code).
Process Overview (General):
Check Compatibility: Verify that your specific printer model and its current firmware version are compatible with available chipless solutions.
Download Software: Obtain the chipless firmware file for your printer model and the activation software from a reputable vendor.
Put Printer in Firmware Update Mode: This usually involves pressing a specific combination of buttons on the printer as you turn it on.
Install Chipless Firmware: Connect your printer to a Windows computer via USB and use the provided software to upload the chipless firmware to the printer.
Purchase Activation Key: Buy an activation key from a vendor.
Activate Firmware: Use the activation software and the purchased key to activate the chipless functionality on your printer.
Save Recovery Code: Securely save any recovery code provided during the activation process.
Always exercise caution when downloading and installing third-party software and firmware. Ensure you are using a reputable source to minimize risks.
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