The following cartridges (including all ink cartridges, printheads & maintenance products) are guaranteed to work in the HP Officejet Pro L7770 printer.
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I need a set of cartridges but I see you do packs at the bottom. What's a printhead though? Thanks, Jenny.
Hey Jenny, thanks for getting in touch. The print heads don't actually contain ink but they are the device that delivers the drops of inks from the inkjet cartridge on to the page. You should'nt need to replace them that frequently so unless you have a message on your printer that says that you need to. If you need any more help please don't hesitate to ask.