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error HP
Error Code LED fast blinking
Printer is in an error state where on-screen messages or intervention is required for resolution.
? What Causes This
Potential issues with printhead access, improper installation of components, etc.
✓ How to Fix It
Refer to the printer instructions or HP online support for specific troubleshooting steps. If unsure, contact customer service.
Source: page 7 of the official manual
From the manual
This error code appears in:
HP Smart Tank 510 Wireless All-in-One