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Why so many USB ports?

 
 
Don Phillipson
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      15th Oct 2009
Brother printer drivers configure USB printers with a number
of separate USB ports available, some of which print OK
while others do not. E.g. my DCP 330C shows:
BRMFC MFL Resources
BRUSB: USB Printer
BRUSB_11: NULL
BRUSB_14: NULL
BRUSB_19: USB Printer

1. Why so many different ports?
2. Can the user tell other than by trial which is fastest?

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Don Phillipson
Carlsbad Springs
(Ottawa, Canada)


 
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