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  1. Help with Colorspan 72si IO Board!

    We got our printer last Jan 2007. Since then, we have changed the motherboard, encoder strip, encoder reader and data cable among others. So far, the machine has been working well but today, we just found out that we have to change the IO board. My question is what causes the IO board to...

  3. Colorspan 72si users....

    I have one. It was working fine until we got an error. After having it checked by HP's technical, I was told to buy a new IO board. Anyone can help me with this? The Part No. is 0971238...
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