Lasted 3 weeks

I ordered this ink in Sept 2017 and it lasted until March 2018. Ordered again in March 2018 and it lasted until Sept 2018. This time I ordered it in Sept 2018 and it is now out of ink just 3 weeks later! I don't think the date was expired, but I do think the cartridge wasn't full. I'll try it again one more time because it's been great in the past, but if it doesn't last longer than 3 weeks next time it will be my last.

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