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Printer wont connect to Repetier

If you cannot connect your printer to Repetier Host on your PC or if you get the message "-serial com error:system.IO.Ports.SerialErrorRecievedEventsArg" when trying to connect, check the following :
  1. Is the USB port of the printer functional?
  2. Is the USB-Serial driver correctly installed on your PC?
  3. Is the correct COM port selected in the Printer settings (Repetier) - if there's more than one com port available you can check which is the correct one in Device Manager/Ports/ ?
  4. Is the baud rate is set to 250000 in the Printer settings (Repetier)?
  5. Check if "Reset on Connect" is set to Disabled in the Printer settings (Repetier)?



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