I ave a photosmart C4280 printer. when i try to scan something the printer says usb not connected whats wrong?

Answer check the wires in the back. obviously there must be something not connected or loose

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How do I clean HP Photosmart C4280 inkjet printer nozzles?

Cartridge and Carriage ContactsOpen the HP printer cover. After the cartridge carriage stops moving, unplug the machine. Remove the ink cartridge, and set it on a clean paper towel with the nozzle ... Read More »

My printer/scanner wont let me scan my picture, whats wrong?

The reason it does that is because the setup failed. You need to power on the scanner, unplyg the usb cable and begin a fresh setup.Once the setup starts, let the program advise you when to connect... Read More »

My hp photosmart 8450 photo printer is printing all the colors wrong. How do I fix it?

Hi HannahReturn the print cartridges. They are defective. When you test print, the magental, cyan, yellow and black should print perfectly.

My printer won't print a page, but when I try to scan something, it'll scan it. Whats the deal?