I installed the new printheads (all 4 colors) and printed two pages. But when I tried to print a third page, the printer would not print. The LCD display showed the printhead icons flashing, which indicates faulty printheads. I put my old printheads back in the printer, and the icons stopped flashing. I could print with the old ones. Then I put the new printheads back in, and the icons began flashing and I could not print. So I called Tech Support and they had me clean the printhead contacts, but that didn't fix the problem. Finally they offered to replace all the printheads free.
print heads work as they should. i placed them in the plotter and they calibrated correctly. i had purchased refilled generic ones that would not work at all. these are definitely worth the price. i purchased and replaced all the colors at the same time.
I buy these for my HP 110 Plus. They work great but they don’t last long. Probably because it goes for long inactive periods. They usually fail when I need them the most. However, I can get them overnight from your store. A few year ago I tried several Other sources but the things would not work. So I buy them from you direct. I pay more but the things seem to dated so I get fresh ones.
We have an HP DesignJet 500, that rarely gets used anymore, but works great for printing large scale assembly drawings for our warehouse assembly team. I'm unsure of the last time the print heads were replaced. I ordered a set of these to print out a bunch of new drawings. Everything worked great!
Only problem, since installing the HP 11 black printhead my Designjet 110 Plus prints at least 2 or 3 copies of what looks like an alignment page every time before I print the first drawing when first turned on.