⚠
warning HP
Error Code Color cartridge very low on ink
Alert when color cartridges are extremely low and may affect print quality.
? What Causes This
Ink levels in certain or all color cartridges have reached a critical level that indicates imminent need to replace them soon.
✓ How to Fix It
Replace the emptied cartridges immediately with new ones; otherwise, allow temporary use of grayscale output for black-and-white printing until replacements arrive.
Source: page 244 of the official manual
From the manual
This error code appears in:
HP Officejet Pro 8600 E All-in-One Printer N911a