My printer has recently started calling out "low battery" and I don't know how to satisfy it.

[RB1173]

It's and HP Smart system and it suddenly started complaining about "low battery." It is connected to our electric system and I can't find a battery in the printer, but I clearly must have overlooked something very simple.

[Kuroi_Kenshi]

Hi @RB1173,

Welcome to the HP Support Community!

Thanks for reaching out!

We're thrilled to have the opportunity to assist you and provide a solution.

I understand your HP printer has started reporting a “low battery” message even though it’s plugged into household power. Let’s go through a few steps to explain what this means and how to address it.

Understand what “low battery” refers to
Most HP printers do not have a user-replaceable main battery for operation.
This message usually refers to a small internal backup battery used for the clock or settings, not the power supply.

Check if the message appears after power loss or reboot
Note whether the warning appears after unplugging the printer or after a power outage.
If the printer loses date, time, or settings, it confirms the internal backup battery is involved.

Perform a full power reset
Turn the printer on, unplug the power cord from the rear and the wall outlet.
Wait 60 seconds, reconnect the cord directly to a wall outlet, and power the printer back on.

Check printer date and time settings
From the printer control panel or Embedded Web Server, verify the date and time are correct.
If the date resets repeatedly, the internal backup battery is no longer holding charge.

Update or reapply the printer firmware
Use HP Smart to confirm the printer firmware is fully up to date.
Firmware refresh can sometimes clear incorrect battery status warnings.

Understand battery replacement limitations
On most HP Smart printers, the internal backup battery is not user-serviceable.
It is sealed inside the printer and is not designed for routine replacement.

Confirm whether printing is affected
Try printing, scanning, or copying as normal.
If all functions work correctly, the warning is informational and not related to printer power.

I hope this helps.

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Best regards,