Canon i550 print problem - nozzles?

  • Thread starter Thread starter Brian
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Brian

My Canon i550 has been working beautifully - until this week. After
changing the yellow ink cartridge, print results turned sour.

When I run a nozzle check, I see that the black, red and yellow print
grids are fine. But the blue grid alternates a full height grid, then
the top half of a grid, then a full grid again, etc. (you probably
need to know what a Canon nozzle check printout looks like for this to
make any sense.) The patches underneath the grids are fine for A, D
and C. B (the blue mesh) prints fine at top, but only stripes of the
mesh on the bottom. E (fine blue mesh) prints top half only. F is
black on top and blackish red on bottom.

I have changed the yellow, blue and black cartridges, and have run a
dozen deep cleaning cycles.

Any ideas whether this is a correctable condition? Might reloading
the print drivers work? If so, how do I do that?

All suggestions gratefully received.

Brian
 
Brian said:
My Canon i550 has been working beautifully - until this week. After
changing the yellow ink cartridge, print results turned sour.

When I run a nozzle check, I see that the black, red and yellow print
grids are fine. But the blue grid alternates a full height grid, then
the top half of a grid, then a full grid again, etc. (you probably
need to know what a Canon nozzle check printout looks like for this to
make any sense.) The patches underneath the grids are fine for A, D
and C. B (the blue mesh) prints fine at top, but only stripes of the
mesh on the bottom. E (fine blue mesh) prints top half only. F is
black on top and blackish red on bottom.

I have changed the yellow, blue and black cartridges, and have run a
dozen deep cleaning cycles.

Any ideas whether this is a correctable condition? Might reloading
the print drivers work? If so, how do I do that?

All suggestions gratefully received.
Click to expand...

The symptoms you describe are hardware and not software related so a driver
reinstall will not work.
A dozen deep cleans is excessive and anything over 3-5 is at best a waste of
ink. If a nozzle self test from the printer buttons (not the driver) gives
the same results then it is most likely a clogged/failed printhead. This is
a serviceable part and is also covered under the printers warranty in most
countries (including the U.S.). If out of warranty you can order a
replacement from Canon Parts.
 
If a nozzle self test from the printer buttons (not the driver)
Click to expand...

Would you happen to know what all the printer button sequences that
are available on an i960 are?

Regards,
TR
 
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