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I have my printer connected to my Serial (COMx) port, and the PC thinks that the printer is printing, but nothing is coming out of the printer. Why?

April 26, 2017coming comx connected pc port printer printing serial thinks

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I have my printer connected to my Serial (COMx) port, and the PC thinks that the printer is printing, but nothing is coming out of the printer. Why?

1 Answer

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The first thing to check is your cabling. The most common problem is that you are using a Modem cable, which does not cross over the Transmit and Receive pin. Verify that you have a “Null Modem” cable or that your cable has the correct Pin-Outs.