We have a quite old printer server machine with linux 2.2.13 (Mandrake) with parport (default configuration) compiled into the kernel that works fine as a printer server. The printer attached to lp0 is an HP laserjet series printer and if we ask for the page count we got the following answer: __________________________________________________ printerserver:~# echo -e "[EMAIL PROTECTED]@PJL INFO PAGECOUNT\n\33%-12345X" > /dev/lp0 printerserver:~# cat /dev/lp0 @PJL INFO PAGECOUNT 285783 printerserver:/~# __________________________________________________ Please, pay attention at the last line, the cat /dev/lp0 finished itself and return to the command line (ok, this is not the best word but, whatever...)
The question is that we are configuring a new machine to be our newer printer server. We have the 2.4.19 linux kernel (Debian) with parport compiled into the kernel. When we do the same test in this new machine, we receive the following answer:
________________________________________________ cupserver:~# echo -e "[EMAIL PROTECTED]@PJL INFO PAGECOUNT\n\33%-12345X" > /dev/lp0 cupserver:~# cat /dev/lp0 @PJL INFO PAGECOUNT 470 _______________________________________________ Which means that the cat remain trying to read something and does not return to the command line (I need to use ^c to finish it)!! This is a major breakdown in our printer accounting system !!
Please, can anyone assist us (we really don't know the answer, that's why we are asking for help.)
Best regards,
Parma
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