Why does my printer say the ink level is low after having the cartridge refilled?

I have a lexmark x2500 printer. My husband took the cartridge (color 29) to Walgreens to have it refilled today. I put in it the printer and now I can't print anything. Finally a message popped up saying the that ink needed to be replaced because it's low. I this a problem with the printer or did Walgreens... show more I have a lexmark x2500 printer. My husband took the cartridge (color 29) to Walgreens to have it refilled today. I put in it the printer and now I can't print anything. Finally a message popped up saying the that ink needed to be replaced because it's low. I this a problem with the printer or did Walgreens mess up the cartridge?
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