On 01/28/14 20:40, Volker Nebel wrote:
  >>     Obviously, the problem has nothing to with the spooling system, for it
  >> happen
  >> s as well with [CMD=" "]cat test.ps > /dev/ulpt0[/CMD] issued twice: The
  >> first d
  >> ocument is printed, any further not. (The printer understands Postscript.)
  >> Same
  >> situation with /dev/unlpt0.


You might be able to find the answer by printing the same document using "cat" and "lpd" and then record the USB traffic using "usbdump". Remove the timestamps and do a diff.


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