HP Photosmart 7520 printer will take 2X Black and high yield colors. However , unlike Black, high yield color cartridges are same size as standard yield, but they have more ink volume.
Remanufactured means, it is recycled HP cartridge which has been cleaned, ink has been refilled and chip has been replaced. We have less than 2% return rate on these cartridges. We sell with 6 month warranty on all the inks.
No. Our cartridges would be recognized by your printer. We use premium chips on these remanufactured cartridges so your printer will accept it and able to read ink level.
There are others who sell cartridges with basic chips or recycled chip which won't report the ink level. Our cartridges come with premium chips which will let yoru printer read the ink level.
You can only get HP chip if you buy HP original ink. Yes there are many kind of chips in the market. Some requires overwrite by user to use the cartridges. Some will just let you print but not report ink level. Our remanufactured ink cartridges come with premium chips that can read ink level.
They would last about the same as original ones. Ink liquid is not very expensive. 90% of the cost of these are chip on them and labor. So manufacturer usually does not short on the ink contrary to what many people believe.
Our cartridges come with premium ink level detection chip so yes you will not get any error. You may get warning saying that you are using non-HP cartridge or compatible cartridge. You can just press OK and it will print fine.
Small black in the picture of the set is photo black. You need it only if you have 5 slots in your machine. You can purchase photo black separately. Copy and paste the link below or type 564XL photo black in search.
Yes it will work. However this set has photoblack. I do not think your printer has photoblack slot. But this one if your priner has only 4 slot.
https://www.tonerpirate.com/hp-564xl-black-2x-color-4-pack-combo-set-high-yield-remanufactured-ink-cartridges.html
This set has 5 cartridges total. It has Photo Black. Your Photosmart 6520 does not have slot for Photo Black. You only need 4 cartridges. Please buy the set with 4 cartridges. It is under related products tab. Or search for 564XL Set