I have a the TR4722 printer that is less than 3 month old, which functioned beautifully --- until it did not. The images remained sharp, but it quit printing full color.
I have --
- run the nozzle check
- cleaned the nozzles
- deep-cleaned the nozzles
- run the head alignment
- roller cleaning
- bottom plate cleaning
- changed the color cartridge
- run all the diagnostics, alignment, and cleaning twice more
without changing anything.
I do use the correct Canon ink cartridges.
I am pasting a sample of the print test page after nozzle cleaning below. My resulting print page (both before and after all my attempts) shows exactly what is below EXCEPT where I have drawn the red arrow is BLANK.
My Black is printing fine and aligned, the Cyan and Magenta are printing fine -- both in dark and light, my pale Yellow line is fine, but my rich Yellow line (where I have drawn the red arrow) is blank because my printer will no longer print Yellow in color copies.
How do I solve this?
