Question about Samsung SCX 4521F All-In-One Laser Printer
Hello - I am trying to scan a document, but am getting an error message that tells me I am not able to connect to the device (the printer/scanner). I have restarted both my PC and the printer. Any suggestions?
Your USB cable is too thin, or too long, or both. USB signal loses strength beyong 6ft. Use a good quality, thick USB cable and if tha unit is over 10 ft. from the computer, use a USB active repeater.
Posted on May 28, 2008
Try by reinstalling the device driver
Posted on May 13, 2008
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Posted on Jan 02, 2017
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