IPF 8300s - Help with Basic Printhead / PCB Troubleshooting please.

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  • dan_movie
    Junior Member
    • May 2025
    • 1

    #1

    IPF 8300s - Help with Basic Printhead / PCB Troubleshooting please.

    Hi All,

    Looking for what troubleshooting steps I can do before calling a technician (if I need to)...

    It all started with a message that said "missing left printhead" on my Canon IPF 8300s.
    I figured it was old and was dead, so I replaced it.
    3 days later, I get the same message for the right printhead - again I replaced it.
    As soon as that was done, the error message returned to "missing left printhead".

    By now, with 2 new printheads, I figure I am either really not lucky and should stop buying lottery tickets OR there is something else wrong with the printer.

    If anyone could suggest a few things that I can test / try before calling a service company - that would really be great.
    I don't have a service manual, so no idea of the components around the printhead carriage, etc.
    I am thinking it is probably an electronic issue like a sensor or a relay ?? Maybe a pcb that is faulty ?

    Thanks in advance for the help.
    D

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