From: MikeE@ster.invalid   
      
   Mike Easter cited:   
   > The usblp kernel module, if loaded, should not be re-attached after   
   > a print job. This is because some printers can experience issues   
   > like cutting off the end of a job or crashing when the module is re-   
   > attached.   
      
   A Deb cups troubleshooting page is also helpful on understanding this:   
      
   https://wiki.debian.org/CUPSDebugging   
   > Problems Printing to a USB Connected Printer   
      
   > Preventing the reattachment of the usblp kernel module after a job   
   > has been printed can prevent some printers cutting off the end of a   
   > job or crashing.   
      
   also:   
   https://sources.debian.org/src/cups/1.7.5-11+deb8u2/backend/   
   org.cups.usb-quirks/   
      
   BTW Canon support for Win for the D320 (appears to have) died a LONG   
   time ago:   
      
   > Os Compatibility: Windows 7, Vista, XP, 2000   
      
      
      
   --   
   Mike Easter   
      
   --- SoupGate-Win32 v1.05   
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