Search results

  1. P

    HP Officejet Pro 8500A - trying to recover from bad pigment ink refill

    I am still trying to recover my 8500A from what I believe was very poor quality pigment ink. I ran into severe issues soon after the refill. It started as some bad quality prints and went on to complete blockage of all four colors. During my experiements I noticed that pure Windex (the Amonia in...
  2. P

    Officejet 8500A printhead cleaning - how does it work? (long)

    My printer won't stop trying to clean its print heads. So in an act of desperation I took the whole thing apart to try and understand how it decides on success for the cleaning routine. Here is what I found so far: 1. The waste tank has this enormous sponge inside. It was saturated and ink was...
Top