Fully drivable by open code over the stock firmware.
One known way to put open firmware or software on this device, easiest first. Each one links to the project's own instructions.
No tools, the device stays closed · epson-escpr
Nothing is flashed: add the printer in the computer's printer settings (CUPS) and pick the epson-escpr driver, which most Linux distributions include. Some host-based printers also need a firmware file sent at power-on, as the driver's page explains.
No install report yet. · Report how it went
OpenDeviceDB links to each project's own instructions and tools; nothing is flashed from this site. Flashing is at your own risk and may void the warranty.
No live claim. If you start working on this device, claim it so nobody duplicates your work.
| Interface | Transport | Status | Confidence | Spec / notes |
|---|---|---|---|---|
| Printing | usb | documented | not stated | OpenPrinting rates it A (works perfectly). Free drivers: epson-escpr. |
| Project | Kind | Origin | License | Freedom |
|---|---|---|---|---|
| epson-escpr | driver | community | not stated | Still non-free: stock firmware · Cloud: none |
| OpenPrinting: Epson WP-4090 | other | community | not stated | not stated |
What stays proprietary or depends on the vendor's cloud once the project is in use, from the project's own documentation.
Not verified. A "verified on hardware" badge requires a replayable test (hardware-replay) run on a real device with a stated firmware version.
AI assistance not stated.
Status and claims as of the build date (2026-10-25). Data licensed CC BY-SA 4.0; imported data keeps its upstream license.