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Check for a Paper Jam
Even if no jam is visible:
- Turn off the printer & unplug it.
- Open the ink cartridge access door and check for any stuck paper.
- Also, check the rear access panel for jammed paper.
- If found, remove carefully and restart the printer.
Reset the Printer
- With the printer ON, unplug the power cord from the back.
- Unplug the power cord from the wall outlet.
- Wait 60 seconds, then plug it back in.
- Turn on the printer and check if the issue persists.
Update Printer Firmware
Outdated firmware can cause blinking lights:
- Download HP Smart on your PC or mobile.
- Open HP Smart→ Select your printer → Look for Firmware Update.
- Install any available updates.
Perform a Factory Reset
- Turn off the printer.
- Hold the Cancel (X) + Wireless (📶) buttons.
- Turn the printer on while holding these buttons.
- Release when the lights flash.
I hope this helps.
Take care and have a good day.
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Asfiya03
HP Support