Upgraded Printhead Seals ONLY for T and Z Models

Includes: -12 custom printhead seals compatible with all HP 70, HP 72 and HP 73 printheads If you own a T or Z printer, you've almost certainly seen this message: Printhead replacement incomplete. Restart it. And you can't print anything, because the printer isn't happy. This kit will save you hundreds of dollars on replacement printheads and ink cartridges.  Demonstration Video - How to Use *Ink starvation of the printhead caused by poor seal at printhead port* This is the main reason you see the "printhead replacement incomplete" message. Here's what happens: The printhead is starved for ink, fails to put ink through the drop detector -> results in failure   to complete print system setup, and the printer returns the "printhead replacement incomplete" message. You've probably endured the long, annoying process of getting the printer to accept printheads. Printheads which may be perfectly good, but due to worn seals on the ink tube system, the printer cannot accept the printhea