Canon printers keep losing the connection

Canon printers keep losing the connection

Situation: the client reported all their Canon printers have the same issue. It keeps losing the network connection. when ping it, it gets a lot time out and the printers reset itself.

Cause: We found one of switches shows "inline power controller test failed". Reset the switch doesn't fix the problem until we shut it down. This link may help too:
3560 SW crashed--inline power controller test failed

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