"Paul Heslop" <paul.hes...@blueyonder.co.uk> wrote in message

> MaryT wrote:

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

> > > "Mary" <n...@invalid.ddd> wrote in message

> > > > 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

> the 4000 is a well liked machine Mary. It seems that some would rather
> have it than many of the newer models.