I did the following:

               "Edit /etc/cups/cupsd.conf adding a line "FileDevice
Yes". Then restart CUPS with "sudo /etc/init.d/cupsys restart".

simply adding "FileDevice Yes" as a line without quotes, of course. and
restarted


Then I entered

sudo usb_printerid /dev/usblp0
sudo usb_printerid /dev/usblp1
...

and tried this up to usblo10, but got these returns:

 No such file or directory: can't open '/dev/usblp0'

I also tried:
           sudo usb_printerid /dev/lp0
and the return was:
Invalid argument: GET_DEVICE_ID on '/dev/lp0'

If I tried
              sudo usb_printerid /dev/lp1
the return was
                 No such file or directory: can't open '/dev/lp1'

Maybe GET_DEVICE_ID on '/dev/lp0'  is significant?  lp0 is LPT1, or?

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Printing test page (150K) not started after ten minutes
https://bugs.launchpad.net/bugs/96709
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