When PPD files are used?

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I have a CUPS server on my Raspberry. The printer is installed along with its filter. When I look on the current driver it says.



pi@raspberrypi:~ $ grep -H '^*NickName:' /etc/cups/ppd/*.ppd
/etc/cups/ppd/RICOH_SP_112_DDST.ppd:*NickName: "Ricoh Aficio SP 100, ricoh-sp1xx"


The filter is currently disabled.



pi@raspberrypi:~ $ cat /usr/lib/cups/filter/ricoh-sp1xx 
#!/bin/bash

/bin/echo "I was here" > /home/pi/aaa.txt
#/usr/bin/python /home/pi/ricoh/ricoh-sp1xx-drv.py $*


The printer is also shared through SMB. The strange thing is that I can print from Windows, even with the filter disabled.



Does Windows use its own driver and send the stream directly to the printer, through SMB > CUPS > DirectURI? If so, in which cases the PPD file and filter are used? Can I somehow log the stream that CUPS is receiving from the Windows spooler?




cups




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    up vote
    2
    down vote

    favorite












    I have a CUPS server on my Raspberry. The printer is installed along with its filter. When I look on the current driver it says.



    pi@raspberrypi:~ $ grep -H '^*NickName:' /etc/cups/ppd/*.ppd
    /etc/cups/ppd/RICOH_SP_112_DDST.ppd:*NickName: "Ricoh Aficio SP 100, ricoh-sp1xx"


    The filter is currently disabled.



    pi@raspberrypi:~ $ cat /usr/lib/cups/filter/ricoh-sp1xx 
    #!/bin/bash

    /bin/echo "I was here" > /home/pi/aaa.txt
    #/usr/bin/python /home/pi/ricoh/ricoh-sp1xx-drv.py $*


    The printer is also shared through SMB. The strange thing is that I can print from Windows, even with the filter disabled.



    Does Windows use its own driver and send the stream directly to the printer, through SMB > CUPS > DirectURI? If so, in which cases the PPD file and filter are used? Can I somehow log the stream that CUPS is receiving from the Windows spooler?




    cups




    share|improve this question
























      up vote
      2
      down vote

      favorite









      up vote
      2
      down vote

      favorite











      I have a CUPS server on my Raspberry. The printer is installed along with its filter. When I look on the current driver it says.



      pi@raspberrypi:~ $ grep -H '^*NickName:' /etc/cups/ppd/*.ppd
      /etc/cups/ppd/RICOH_SP_112_DDST.ppd:*NickName: "Ricoh Aficio SP 100, ricoh-sp1xx"


      The filter is currently disabled.



      pi@raspberrypi:~ $ cat /usr/lib/cups/filter/ricoh-sp1xx 
      #!/bin/bash

      /bin/echo "I was here" > /home/pi/aaa.txt
      #/usr/bin/python /home/pi/ricoh/ricoh-sp1xx-drv.py $*


      The printer is also shared through SMB. The strange thing is that I can print from Windows, even with the filter disabled.



      Does Windows use its own driver and send the stream directly to the printer, through SMB > CUPS > DirectURI? If so, in which cases the PPD file and filter are used? Can I somehow log the stream that CUPS is receiving from the Windows spooler?




      cups




      share|improve this question














      I have a CUPS server on my Raspberry. The printer is installed along with its filter. When I look on the current driver it says.



      pi@raspberrypi:~ $ grep -H '^*NickName:' /etc/cups/ppd/*.ppd
      /etc/cups/ppd/RICOH_SP_112_DDST.ppd:*NickName: "Ricoh Aficio SP 100, ricoh-sp1xx"


      The filter is currently disabled.



      pi@raspberrypi:~ $ cat /usr/lib/cups/filter/ricoh-sp1xx 
      #!/bin/bash

      /bin/echo "I was here" > /home/pi/aaa.txt
      #/usr/bin/python /home/pi/ricoh/ricoh-sp1xx-drv.py $*


      The printer is also shared through SMB. The strange thing is that I can print from Windows, even with the filter disabled.



      Does Windows use its own driver and send the stream directly to the printer, through SMB > CUPS > DirectURI? If so, in which cases the PPD file and filter are used? Can I somehow log the stream that CUPS is receiving from the Windows spooler?





      cups





      share|improve this question













      share|improve this question




      share|improve this question








      edited Nov 7 '17 at 18:07

























      asked Nov 5 '17 at 11:24









      Pablo

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