Why does the Off/On switch not function?
Can not turn Canon ip3500 printer on.
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William, the first thing you want to make sure off is that you have power going to the printer. Check the cord, make sure it is in good shape. Use a multimeter to check for continuity. If the cord is okay, it is possible that it is the power supply for your printer. You will have to disassemble it. Perform a visual inspection, check for any burned components, check the caps for leakage and bulging. Use your multimeter to check for power out on the power supply.
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