I've used them on the T525 in the office several times over the past few years. I recently purchased a newer T100 for home use and while this printer is not listed as compatible with these cartridges I am happy to report that they have worked flawlessly. I even used them for the initial setup and saved the starter cartridges that came with the new HP T100 for later. Simply click on the standard "non-HP ink cartridge detected" and the printhead will be primed and aligned perfectly for first use. I have had very good experiences with these cartridges so far.
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