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I bought this as a replacement toner for the P2502W and can confirm that it works with this model printer. Works exactly as advertised with crisp black toner adhering to my standard 8x11 paper as I would expect as a minimum from functional toner.
I checked for smear and there was none, so the toner is heated properly and isn't going to fall off the page as can happen with bad toner/printers.
Tablet device and wifi hotspot and this printer is nuts. Once it connected using a usb cable with a separate laptop for wifi routing. Then Android tablet updated, gone and connection not to return. Tiny chinese directions. The only way it connects now is if you disconnect your internet hotspot and go directly into Pantum device. The App is no help either. I'm returning this new $60 ink cartridge, giving up on this printer brand.