I am getting the E for error in the setup and the blinking blue light.
The HP DeskJet 4100e series printer uses an 'E' error code to indicate various issues. A blinking blue light typically indicates a Wi-Fi connection…
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hp Deskjet 4100e all-in-one series Printer User Guide — questions & answers
Read product questions and troubleshooting answers linked to hp Deskjet 4100e all-in-one series Printer User Guide.