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error HP
Error Code LED Alert light (Ink)
Indicates low ink or cartridge problems.
? What Causes This
Low level of ink in cartridges; malfunctioning or incorrectly installed cartridges.
✓ How to Fix It
- Check and replace the faulty cartridge.
- Refill empty cartridges or install new ones.
- Ensure proper installation.
This error code appears in:
HP Deskjet 3720 All-in-One Printer