!
error HP
Error Code LED blinks 3 times for extended period
Possible network communication failure or configuration issue.
? What Causes This
Improperly configured network settings, disconnected cables, conflicting protocols on the network.
✓ How to Fix It
- Check and reconnect all network cables.
- Verify all necessary protocols are enabled in network configurations.
- Ensure proper IP address configuration is set for the product.
Source: page 78 of the official manual
From the manual
This error code appears in:
HP Laserjet 2055 Printer