How is to send the native port of the printer command, when the printer is set as the default printer?

I installed on a Windows XP printer and set it as default printer.

I also have the manual provided by the manufacturer of printers, which defines the

commands that can be sent over the serial port, then the status of the printer

is extracted.

Thus, for example, by sending an order consisted of 3 bytes: 34,56,78 to the printer (COM5) COM port

I can get an answer advising me on the State of the printer.

However, when you send this command to COM5, I get the following exception:

"The given port name does not start with COM/com or is not resolved to a valid serial port. Parameter name: portName. »

for which the printer vendor insisted on request microsoft support center.

The port name of the printer is properly set to the correct a (COM5).

Any ideas?

Hello

Your Windows 7 is better suited for the IT Pro TechNet public.

You can follow the link to ask your question: http://social.technet.microsoft.com/Forums/en-US/category/w7itpro

Tags: Windows

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