You'd probably have to contact HP for this.....
If you've done the usual tasks of running a maintenance and cleaning cycles
(as per the printer manual) then it could be some deeper problem with the
print head itself.
Cari
www.coribright.com
"Tom" <(E-Mail Removed)> wrote in message
news:06f101c3800b$34176590$(E-Mail Removed)...
> Can anyone tell me why this printer (HP970Cse)decided to
> quit printing the color blue and also green. All other
> colors are fine. I have tried 4 new different HP6578A
> cartridges and after the inital installation which works
> fine on all colors the printer will subsequently quit
> printing any thing using the blue jet. I am sure there
> is blue ink in the cartridges, It has to be the
> printer! Has anyone else experienced this problem?
> HELP!!