[cups] cups && banner pages on non Postscript printer

[Michael Sweet]

Matthias,

CUPS can't find a filter to go from the banner file format to the printer's format, which probably means you are missing something from your Linux install (likely Ghostscript's pstoraster or something else).


> On Sep 27, 2017, at 2:34 AM, Matthias Apitz <guru at unixarea.de> wrote:
> 
> 
> Hello,
> 
> A colleague of mine configured a network printer in cups-1.4.3 as:
> 
> Description:    FALSCH
> Driver:         Generic PCL Laser Printer (grayscale)
> Connection:     lpd://10.49.8.8/KONICAMINOLTAC364SeriesPCL
> Defaults:       job-sheets=none, none media=iso_a4_210x297mm
> 
> The device (IP addr) is her own PC running "Microsofts" LPD service which perhaps
> should forward the stream to a central brinter here in house.
> 
> When printing the "Print Testpage" from the "Maintenance" menu in the
> cups' web page it says: 
> 
> Unsupported format 'application/vnd.cups-banner'!
> 
> I debuged into this with the cups debug level and even with stracing the
> daemon to understand whats going on:
> 
> cupsd reads in a file
> 
> 10804 open("/usr/local/sisis-pap/cups/var/spool/cups/00000007", O_RDONLY) = 15
> 10804 fcntl(15, F_GETFD)                = 0
> 10804 fcntl(15, F_SETFD, FD_CLOEXEC)    = 0
> 10804 read(15, "#CUPS-BANNER\nShow printer-name printer-info printer-location printer-make-and-model printer-driver-name printer-driver-version paper-size imageable-area\nHeader Printer Test Page\nFooter Printer Test Page\nNotice This test page was
> produced by CUPS 1.4.3.\nImage images/cups.png\nImage images/color-wheel.png\n\n", 4096) = 305
> 10804 read(15, "", 4096)                = 0
> 
> and from the conf files it should know how to handle this page as:
> 
> # grep banner share/cups/mime/mime.*
> share/cups/mime/mime.convs:application/vnd.cups-banner	application/postscript		33	bannertops
> share/cups/mime/mime.types:application/vnd.cups-banner	string(0,'#CUPS-BANNER')
> 
> The software 'bannertops' is also there. 
> 
> But as the printer is configured as 'Generic PCL Laser Printer' it gives up with:
> 
> 10804 write(5, "I [26/Sep/2017:16:12:12 +0200] [Job ???] Request file type is application/vnd.cups-banner.\n", 91) = 91
> 10804 write(5, "D [26/Sep/2017:16:12:12 +0200] Print-Job client-error-document-format-not-supported: Unsupported format 'application/vnd.cups-banner'!\n", 135) = 135
> 10804 write(5, "E [26/Sep/2017:16:12:12 +0200] Returning IPP client-error-document-format-not-supported for Print-Job (ipp://localhost:631/printers/FALSCH) from localhost\n", 155) = 155
> 10804 sendto(12, "HTTP/1.1 200 OK\r\nDate: Tue, 26 Sep 2017 14:12:12 GMT\r\nServer: CUPS/1.4\r\nConnection: Keep-Alive\r\nKeep-Alive: timeout=30\r\nContent-Language: en\r\nContent-Type: application/ipp\r\nContent-Length: 191\r\n\r\n", 196, 0, NULL, 0
> <unfinished ...>
> 
> When the printer is configured as 'KONICA MINOLTA C360SeriesPS(P) (color)'
> using a PPD file, all is fine, also with banner page before and after the
> testpage.
> 
> My question is: How is this supposed to work for PCL printers? Couln't the
> Postscript stream, produces by 'bannertops' not converted by ghostscript into
> PCL? Or do I have a complete misunderstanding how it should work?
> 
> I don't know if this matters, it is with cups-1.4.3.
> 
> Thanks
> 
> 	matthias
> 
> -- 
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_________________________________________________________
Michael Sweet, Senior Printing System Engineer