How to read the computer printout data?
1, how to use Windows computers, reading device parallel print print data?

How can I achieve? Have no specific hardware or software,

2, linxs computer, usb print, if you do not meet the actual printer, to win the computer, how to make linxs computers think you pick the printer, then you can print the data, can let a win computer wiring or other hardware, to receive the data?