Canon Pixma G540 doesn't use all colors

[arfanda540]

Hello, I have a problem with my Pixma G540.

First it stopped using yellow ink, I did a print nozzle check, turns out there's all sorts of stuff happening. (pic 1 is nozzle check without any maintenance options)

Then I used cleaning and deep cleaning maintenance options from printer, and ran a print nozzle check again, that's the second printout.

That didn't fix the issue, so I did what manual suggested, wait 24 hours and deep clean again. Result from the next print nozzle check is pic 3.

What are my options now? I assume replacing printer heads?pic1pic2pic3

[Arthur]

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