HP Desk Jet 6540 (8963A) Tri-color Cartridge not recognized.

Joined
Apr 19, 2012
Messages
2
HP Desk Jet 6540 (8963A) Tri-color Cartridge not recognized. Clean contacts in ink print head, on cartridge, change 3 new cartridges; I try with and without connection to computer. How can I find out if problem is in the printer? Could the spring on the side of the inserted cartridge affect the contacts with the print head? Should I reinstall the program? Can I reset the printer memory? Thanks for reply.
 
Joined
Apr 19, 2012
Messages
2
This was my problem:The small plastic side bracket located in front in the middle which holding the spring in place broke and the spring was dislodged and damaged the flex circuitry.
I have to see if I can buy new Print head or the circuitry board with the side guide /holder for the cartridge. Any Idea who sells it?
 

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