Canon IPF 755 Plotter Hardware Error 03130031-2618, I got this error then put a new printhead in and then "Right after power up got a "Need to change printhead" error. One thing I notice here is that there are large gaps of air by the printhead clear tubes. In the book it says to check the power supply unit. I am new to plotters and wanted to get a second opinion. So should I replace the Power Supply QK1-5141-000 ?. Thanks so much for any help !!!
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