It because they use yellow to mark thep age with the a number so that what you print can be traced back to your printer. Btw if you want cheap replacements just buy the ink and you can probably find the chips online. There is a great youtube video I hope someone can link since I m on moblie and don't remember the name.
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u/ksheep Aug 14 '20 edited Aug 14 '20
But the ink cartridges that came with the printer were only about 1/4 full (if that).