On the cited Epson EcoTank family, I-23 is the WPS PIN setup prompt; the code changes after a timeout.
What I-23 means
On the cited Epson EcoTank family, I-23 is the WPS PIN setup prompt; the code changes after a timeout.
What you may notice
- The display or status light shows I-23
- The device is not yet online
- A setup or pairing light is active
- The app may be searching for the device
Most likely causes
- 01The device is ready for setup
- 02Pairing is in progress
- 03Setup timed out
- 04The app cannot reach the device
- 05A previous network configuration remains
Safe checks, in order
Start with the simplest non-invasive check. Stop as soon as the error clears; repeated resets can hide a condition without correcting it.
Identify the exact model
Light colors differ across product generations.
Wait for the ready pattern
Allow startup or a firmware update to finish before pairing.
Use the official app
Follow its Add device flow while near the router or point.
Reset only if directed
A factory reset erases the network configuration and should be the final setup step.
Know where to stop
Do not unplug a device during a firmware update or confuse a reset pattern with a normal setup light.
When to call a technician or support
Contact support when the device never reaches its ready state or repeatedly fails pairing on a working network.
When you call, have the exact product model, the complete code or light pattern, and when it appeared.
Where this information came from
We use the manufacturer's current published guidance as the starting point, then organize it into a safer, beginner-friendly sequence.
Epson Support — EcoTank product status messages Source last checked August 18, 2026. Manufacturer instructions and model manuals take priority over this independent summary.