Problem of X200 with 15 feet USB cable

Hi,
I have a X200 with the ultrabase and  I used to use a 6 feet USB cable connect to a HP Laserjet P2015N printer but now when I use the 15 feet USB cable and the system says USB device not recognized. and I can use the 15 feet cable to connect to another printer with my HP laptop. Any idea?
Thanks,
Davy

davylo wrote:
now when I use the 15 feet USB cable and the system says USB device not recognized.
You  are at the limit of USB cable length for USB 2.0.... 
Q1: How long of a cable can I use to connect my device?
A1: In practice, the USB specification limits the length of a cable between full speed devices to 5 meters (a little under 16 feet 5 inches).
http://www.usb.org/about/faq/ans5
... so use a shorter, and good quality, cable.
Cheers,
Bill
I don't work for Lenovo

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