If it seems like your inkjet printer cartridges need to be replaced constantly, there are a few things you can do to extend their lives. First, check your printer settings to make sure you're not on the "best" setting. If quality doesn't matter for your printout, go for draft or "grayscale" mode; these settings use way less ink. Also, ignore your printer's "low ink" warning; only replace cartridges when you see a big difference in quality. And finally, use the preview function to look at what you're printing before you hit "print." This one thing can help you avoid printing something that's formatted incorrectly.
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