What should I do if my printer's blue light is blinking?
If the printer’s blue light is blinking, it means the device is not connected to a network. To set up wireless connection, follow these steps: Open the Dashboard on the control panel; touch (Wireless) > (Settings) > Wireless Settings and proceed with the instructions.
From the official HP Officejet 9010 All IN One Printer manual, page 1
Have a follow-up question?
Answers from the official manual.
Common questions