Xp-7100 Chipless Firmware Link

Epson actively fights chipless firmware. They update their signing keys and release “security patches” that specifically search for modified firmware. They also refuse to service any printer with a third-party firmware hash mismatch.

| Feature | OEM Cartridges | Auto-Reset Chips (ARC) | Chipless Firmware | | :--- | :--- | :--- | :--- | | Permanent fix? | No | No (chips fail) | Yes | | Handles firmware updates? | Yes | No (updates break them) | Yes (if you disable updates) | | Cost over 2 years | >$600 | ~$40 (refillable carts) | ~$20 (one-time software) | | Manual ink check needed? | No | No (but unreliable) | Yes | | Void warranty? | No | Yes | Yes | | Risk level | None | Low | Medium (brick risk) | xp-7100 chipless firmware

If you don’t want to risk firmware: