Struggling with Yellow Ink / iX6850

JimBrown

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We've been printing using refillable inks & Canon iX6850 for a few years without (too many) issues.

This last few weeks though, suddenly, both printers stopped printing yellow (and we've been using the same brand of ink for an age), unless you do a deep clean, and then the number of sheets it'll do ranges from a handful to not many more.

So we got new yellow ink from the suppliers, put in a new cartridge, new head, it worked for a few days then the problem returned.

Digging around here, discovered the purge unit could be an issue, so we swapped in a new iX6850, admittedly with the old head (10,000 pages) in, and it seems better, but still the yellow keeps failing, and we're just struggling to get a combo working where the yellow works. Starting to be at a loss as to what to try next to get the yellow working, and would appreciate any pointers

TIA
 

Jessica421

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Sounds like it could be an issue with the purge unit — it might be getting old or clogged.
 

JimBrown

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Sounds like it could be an issue with the purge unit — it might be getting old or clogged.
That's kind of where I was, but as I say I brought a new ix6850 into the mix a few weeks ago and we're still struggling on the yellow...
 
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