Try here.
Issues when Connected to an Uninterruptible Power Supply/Power Strip/Surge Protector.
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c00597016
If no joy, bad power supply or defective printer.
Try here.
Issues when Connected to an Uninterruptible Power Supply/Power Strip/Surge Protector.
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c00597016
If no joy, bad power supply or defective printer.