I have an HP photosmart C4680. It keeps turning on and off by itself. I checked the plugs, they are not loose.

SOURCE: HP C5180 photosmart keep turning off and on. Will

This is due to ON/OFF switch is having the issue. Repair/replace the switch with the help of expert engineer/service center experts will resolve your problem.

Revert back for more assistance.

Testimonial: "helpful thanks"

SOURCE: I have a HP Photosmart C4680. I can't get the

Open a Word or Excel worksheet. Try to locate "print". Try and print something.

SOURCE: I have an HP PHOTOSMART C4680!On the screen it

1.Remove the ink catridge
2.Replace properly
3.try to print
4.if even same problem will be occured then replace with new catridge.

Note: Hp printer come along with a software cd.it has the driver for printer,troubleshooting and maintenence software.in the trouble shooting guide will help to removes and replaces the catridge properly.Also a Quick start guide(A printed sheet) also can help.

5. if Even the problem not solved then unsqurew the printer squrews carefully ,
6.look at the mechanisim if any damaged
7.look any Data cable or Power cable may be damaged (Cables are looking like a white color mica ribbon)

Thank u sir ... All The Best....