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error HP
Error Code Wireless icon fast blinking light
Printer has detected a wireless error and requires intervention from user to rectify.
? What Causes This
Inability for the printer to connect or maintain connection due technical issues.
✓ How to Fix It
Refer message on display screen for specifics, potentially involves reconfiguring network settings or restarting device.
Source: page 5 of the official manual
From the manual
This error code appears in:
HP Officejet 3833 All IN One Printer