> "DanG" <nos...@q.com> wrote in message
> news:tuCdnZSIJPMEKxXVnZ2dnUVZ_tvinZ2d@comcast.com...

> > "Mary" <n...@invalid.ddd> wrote in message news:g69404$h0f$2@aioe.org...
> > > Hi, I have a Canon IP4000 for the last 1.5 - 2 years. Its worked
> perfectly
> > > till now.When I print a color picture, magenta doesn't show up. Black
> > > cart.
> > > shows some black on some part of the picture but not enough black on
> other
> > > parts where there should be. Green and yellow are OK. I checked magenta
> > > cart. and sponge part at the side seems to be dry, but there is lots of
> > > ink
> > > in the cart. Black cart ink is ok too. I did cleaning and deep cleaning
> a
> > > few times, but on Nozzle check page, red and pink don't show up and
> black
> > > shows is gray.No errors show on screen and Status monitor shows all
> carts
> > > as
> > > having enough ink. How can I correct this problem?

> > > Mary

> > Replace affected ink tanks with new tanks. If that doesn't solve it,
> remove
> > the head assembly and clean it with hot water and ammonia. (careful not to
> > dirty the electrical contacts on the back side). Do not leave the head
> > assembly out to dry, wipe if off and immediately reinsert and replace
> tanks.

> The ink tanks all have plenty ink so I don't want to buy new ones. I will
> try the hot water and ammonia, though I am not sure what ratio the ammonia
> to water is and if the water has to be hot. I've never done this before, but
> I have some ammonia, so I will mix maybe 1 tablespoon of ammonia with 4
> tablespoon of hot water and put it on the print head holes and see if that
> helps..

>  > NO NOT continue to use the printer in this condition or you'll burn out
> the
> > head. If you can't get it running again, a new head assembly might be
> > needed, although it's not a certainty that this will fix it.

> Ok, thanks. Its not under warranty so it might be cheaper to buy another one
> if this one can't be fixed. Its only 1.5 or 2 years old so should have
> lasted longer I would think. I haven't over-used it but I print 2 times a
> week or sometimes more.

> Mary