"Sara" <safra...@rr.com> wrote in message news:4019B9D2...@rr.com...
>Just to be sure that no one has overlooked the obvious- do you have the
>correct cartridges? In your case #15 or C6615A or C6615D.
>
>
>
Not only did I check every box, I inspected the cartridges for their
serial numbers to see if I could find any differences. I looked at
everything possible on the contact points. I'm just stumped (as was the
tech and his supervisor). I have now tried four different new cartridges.
>
>
>Ok take out both carts put them away safe, pull pwr cord so as to leave the
>carriage in the centre, now clean CAREFULLY the gold contact pins with
>cotton buds use a few to ensure clean contacts look for traces of Ink on the
>cotton buds.
>
>
But, how would that explain why the one old cartridge still works, but
not any other?
>>
>>
>
>
>
Make sure you are using the #15 black cartridge. The #45 cartridge looks
similar but is not compatible with the DeskJet 920.
Regards,
Bob Headrick
"Sara" <safra...@rr.com> wrote in message news:4019B9D2...@rr.com...