Yes, poor and inconsistent internet connectivity is one of the main reasons for Samsung printer offline issues. If you are working on wireless printers then good internet connectivity is one of the prime requisites. If you are working on poor internet connectivity then you should replace it with a new one.
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How To Fix Samsung Printer Offline Issue
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How To Fix Samsung Printer Offline Issue

If You Are Facing Problems With Your Samsung Printer Being Offline, Do The Following .