Here's another example from Jaunty, updated from the main repository as of 20 March 2009.

The attempt is to print two copies of a 40k jpg image file using the Eye of Gnome to a HP 970C Deskjet.

Here is some information from the CUPS error_log with logging set to the 'debug' level.

I [20/Mar/2009:11:31:01 -0400] [Job 36] Queued on "HP970Cxi" by "tom".
I [20/Mar/2009:11:31:01 -0400] Saving subscriptions.conf...
D [20/Mar/2009:11:31:01 -0400] [Job 36] job-sheets=none,none
D [20/Mar/2009:11:31:01 -0400] [Job 36] banner_page = 0
D [20/Mar/2009:11:31:01 -0400] [Job 36] argv[0]="HP970Cxi"
D [20/Mar/2009:11:31:01 -0400] [Job 36] argv[1]="36"
D [20/Mar/2009:11:31:01 -0400] [Job 36] argv[2]="tom"
D [20/Mar/2009:11:31:01 -0400] [Job 36] argv[3]="164.JPG"
D [20/Mar/2009:11:31:01 -0400] [Job 36] argv[4]="2"
D [20/Mar/2009:11:31:01 -0400] [Job 36] argv[5]="Quality=FromPrintoutMode number-up=1 PrintoutMode=Normal Duplex=DuplexNoTumble PageSize=Letter job-uuid=urn:uuid:c3bf4733-78fd-3ab2-7d74-c670b9d6687f"
...
D [20/Mar/2009:11:31:01 -0400] [Job 36] Getting input from file 
D [20/Mar/2009:11:31:01 -0400] [Job 36] foomatic-rip version 4.0.0.195 running...
...
D [20/Mar/2009:11:31:01 -0400] [Job 36] Parameter Summary
D [20/Mar/2009:11:31:01 -0400] [Job 36] -----------------
D [20/Mar/2009:11:31:01 -0400] [Job 36] 
D [20/Mar/2009:11:31:01 -0400] [Job 36] Spooler: cups
D [20/Mar/2009:11:31:01 -0400] [Job 36] Printer: HP970Cxi
D [20/Mar/2009:11:31:01 -0400] [Job 36] Shell: /bin/bash
D [20/Mar/2009:11:31:01 -0400] [Job 36] PPD file: /etc/cups/ppd/HP970Cxi.ppd
D [20/Mar/2009:11:31:01 -0400] [Job 36] ATTR file: 
D [20/Mar/2009:11:31:01 -0400] [Job 36] Printer model: HP Deskjet 970c Foomatic/hpijs, hpijs 2.8.7
D [20/Mar/2009:11:31:01 -0400] [Job 36] Job title: 164.JPG
...
D [20/Mar/2009:11:31:01 -0400] [Job 36] 
D [20/Mar/2009:11:31:01 -0400] [Job 36] Filetype: PDF
D [20/Mar/2009:11:31:01 -0400] [Job 36] Storing temporary files in /var/spool/cups/tmp
E [20/Mar/2009:11:31:01 -0400] [Job 36] freed object:9 found
I [20/Mar/2009:11:31:01 -0400] Saving subscriptions.conf...
D [20/Mar/2009:11:31:01 -0400] [Job 36] 
D [20/Mar/2009:11:31:01 -0400] PID 9410 (/usr/lib/cups/filter/pdftopdf) exited with no errors.
D [20/Mar/2009:11:31:01 -0400] [Job 36] File contains 4 pages

NOTE: the two copies are now expanded to a file containing 4 pages!

Ghostscript rendering fails at the next step, probably from a corrupt input.

D [20/Mar/2009:11:31:01 -0400] [Job 36] Starting renderer with command: gs -dFirstPage=1  -q -dBATCH -dPARANOIDSAFER -dQUIET -dNOPAUSE -sDEVICE=ijs -sIjsServer=hpijs -dDEVICEWIDTHPOINTS=612 -dDEVICEHEIGHTPOINTS=792 -sDeviceManufacturer="HEWLETT-PACKARD" -sDeviceModel="DESKJET 930" -dDuplex=true -dTumble=false -r300 -sIjsParams=Quality:Quality=0,Quality:ColorMode=2,Quality:MediaType=0,Quality:PenSet=2 -dIjsUseOutputFD -sOutputFile=-   /var/spool/cups/tmp/foomatic-NAjuU1 
D [20/Mar/2009:11:31:01 -0400] [Job 36] Starting process "kid3" (generation 1)
D [20/Mar/2009:11:31:01 -0400] [Job 36] Starting process "kid4" (generation 2)
D [20/Mar/2009:11:31:01 -0400] [Job 36] JCL: %-12345X@PJL
D [20/Mar/2009:11:31:01 -0400] [Job 36] <job data> 
D [20/Mar/2009:11:31:01 -0400] [Job 36] 
D [20/Mar/2009:11:31:01 -0400] [Job 36] Starting process "renderer" (generation 2)
D [20/Mar/2009:11:31:01 -0400] cupsdAcceptClient: 7 from localhost (Domain)
D [20/Mar/2009:11:31:01 -0400] cupsdReadClient: 7 POST / HTTP/1.1
D [20/Mar/2009:11:31:01 -0400] cupsdAuthorize: No authentication data provided.
D [20/Mar/2009:11:31:01 -0400] Get-Notifications /
D [20/Mar/2009:11:31:01 -0400] cupsdIsAuthorized: requesting-user-name="tom"
D [20/Mar/2009:11:31:01 -0400] cupsdProcessIPPRequest: 7 status_code=0 (successful-ok)
D [20/Mar/2009:11:31:01 -0400] cupsdReadClient: 7 POST / HTTP/1.1
D [20/Mar/2009:11:31:01 -0400] cupsdAuthorize: No authentication data provided.
D [20/Mar/2009:11:31:01 -0400] Get-Job-Attributes ipp://localhost/jobs/36
D [20/Mar/2009:11:31:01 -0400] cupsdProcessIPPRequest: 7 status_code=0 (successful-ok)
D [20/Mar/2009:11:31:01 -0400] cupsdCloseClient: 7
D [20/Mar/2009:11:31:01 -0400] [Job 36] GPL Ghostscript 8.64: Unrecoverable error, exit code 1
D [20/Mar/2009:11:31:01 -0400] [Job 36] renderer exited with status 1
I [20/Mar/2009:11:31:01 -0400] Saving subscriptions.conf...
D [20/Mar/2009:11:31:01 -0400] [Job 36] Possible error on renderer command line or PostScript error. Check options.Kid3 exit status: 3
E [20/Mar/2009:11:31:01 -0400] PID 9411 (/usr/lib/cups/filter/foomatic-rip) stopped with status 9!