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As I said, I don't have a usb printer, so I cannot test he theory. However, I belive that usb printers are basically serial printers eg. COMn:-like. I do know that you can redirect LPT1 to COMn:

P:\test>mode /status Status for device LPT1: ----------------------- Printer output is not being rerouted. Status for device COM1: ----------------------- Baud: 1200 Parity: None Data Bits: 7 Stop Bits: 1 Timeout: OFF XON/XOFF: OFF CTS handshaking: OFF DSR handshaking: OFF DSR sensitivity: OFF DTR circuit: ON RTS circuit: ON P:\test>mode /status Status for device LPT1: ----------------------- Printer output is being rerouted to serial port COM1 Status for device COM1: ----------------------- Baud: 1200 Parity: None Data Bits: 7 Stop Bits: 1 Timeout: OFF XON/XOFF: OFF CTS handshaking: OFF DSR handshaking: OFF DSR sensitivity: OFF DTR circuit: ON RTS circuit: ON

So, if usb are (or present themselves to the system as) serial ports, then it is entirely possible to re-route LPT1 to a usb printer.

The OP chose to set his usb printer to masquarade as LPT1 directly. Personally I would have chosen to have it set as a COM1:, then, should I ever attach a second printer to a serial port or another usb, I could set that to COM2: and chose which of the two my CLI apps wrote to by using the MODE command above.

I've had this set up on networked systems with half a dozen different local and network printers and it make life quite convenient.


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In reply to Re^5: Raw Data to Printer on Win XP by BrowserUk
in thread Raw Data to Printer on Win XP by dvergin

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