Hi @j19481,
Welcome to HP Support Community.
Thank you for posting your query, I will be glad to help you.
It sounds like you're experiencing issues with your HP LaserJet MFP M234dw Printer showing a purple light and being offline after just one day of use. The purple light typically indicates a problem with the printer's connection or setup. Here are some troubleshooting steps you can try.
- Check Network Connection: Ensure that the printer is connected to the same Wi-Fi network as your computer or device. You can verify this via the printer's control panel.
- Reset the Printer: Perform a factory reset by turning off the printer and then turning it back on. Wait for the white LEDs to appear, then press and hold the "X" and "-" buttons simultaneously until the display shows "NU." This should reset the network settings, allowing you to reconfigure your connection.
- Reinstall the Printer: After resetting, use the HP Smart app to remove the printer and add it again. This process can help resolve offline issues by reestablishing the connection.
- Check for Software Updates: Make sure your HP Smart app and printer firmware are up to date, as outdated software can lead to connectivity issues.
- Power Cycle Your Network: Restart your router and modem. Sometimes, the issue may stem from the network rather than the printer itself.
I hope this helps.
Take care and have a good day.
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Alden4
HP Support