Firmware can be updated via Wi‑Fi or a USB drive. When connected to the Internet, the touchscreen will display an update prompt if a new version is available. It is recommended to keep your firmware updated to the latest version.
Connect the printer to a Wi-Fi network.
On the touchscreen, navigate to Settings page > About > Firmware Version.
If a new firmware version is available, tap Download Now.
Once the download is complete, tap Update Now.
Please refer to U1 Firmware Release Notes, download the latest firmware package, and save it to a USB flash drive.
Insert the USB flash drive into the printer.
On the touchscreen, navigate to Settings page > About > Firmware Version > Local Update.
Select the firmware package file, then tap Confirm in the pop-up window.