Public bug reported:

After the last recent update of the kernel, double-side printing doesn't
work in any of the printers I use. These are an HP LaserJet 2300d
connected to the parallel port and an HP Color LaserJet 2065dn used as a
network printer. Before this update duplex worked perfectly. Duplex
option is selected in both the configuration files of the printers and
the lpoptions file (as I said, it was working before the kernel update,
and these files have not been modified). Duplex doesn't work neither
with acroread nor evince nor sending the pdf file directly to the
printer with the lp or the lpr commands (all three worked before). The
behavior of the printers is also weird because the paper sheets are
printed one side and then reinserted in the duplex device as if the
second page was to be printed, but it comes out with only one side
printed and the next page prints in the next paper sheet.

This is the output of the command printingbuginfo:
-----------
== System information ==
Ubuntu Release     : 6.10 (edgy)
Desktop Environment: GNOME
Architecture       : i686
Kernel             : 2.6.17-11-generic
Locale             : LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8, 
LC_PAPER=en_US.UTF-8
/etc/papersize     : a4

== Configured printers ==
LaserJet-2300: HP LaserJet 2300 Postscript (recommended)
lasercolor: HP Color LaserJet 2605 Postscript (recommended)
device for lasercolor: socket://163.117.165.233
device for LaserJet-2300: parallel:/dev/lp0

== Installed versions of important printing packages ==
ii  cupsys                   1.2.4-2ubuntu3                Common UNIX Printing 
System(tm) - server
ii  cupsys-driver-gutenprint 5.0.0-2ubuntu2                printer drivers for 
CUPS
ii  foo2zjs                  20060625dfsg-2                Support for printing 
to ZjStream-based print
ii  foomatic-db              20060918-0ubuntu2             linuxprinting.org 
printer support - database
ii  foomatic-db-engine       3.0.2-20060925-0ubuntu1       linuxprinting.org 
printer support - programs
ii  foomatic-db-hpijs        20060925-0ubuntu1             linuxprinting.org 
printer support - database
ii  foomatic-filters         3.0.2-20060918-0ubuntu1       linuxprinting.org 
printer support - filters
ii  gnome-cups-manager       0.31-1.1ubuntu14              CUPS printer admin 
tool for GNOME
ii  gs-common                0.3.9ubuntu1                  Common files for 
different Ghostscript relea
ii  gs-esp                   8.15.2.dfsg.0ubuntu1-0ubuntu4 The Ghostscript 
PostScript interpreter - ESP
ii  hpijs                    2.6.9+1.6.9-0ubuntu2          HP Linux Printing 
and Imaging - gs IJS drive
ii  hplip                    1.6.9-0ubuntu2                HP Linux Printing 
and Imaging System (HPLIP)
ii  libgnomeprint2.2-0       2.12.1-5ubuntu1               The GNOME 2.2 print 
architecture - runtime f
ii  min12xxw                 0.0.9-0ubuntu2                Printer driver for 
KonicaMinolta PagePro 1[2
ii  pnm2ppa                  1.12-14ubuntu1                PPM to PPA converter

Created with printingbuginfo script v1.5 
(https://wiki.ubuntu.com/PrintingBugInfoScript)
Thu, 31 May 2007 10:06:57 +0200
----------------

and this is the /var/log/cups/error_log after the option 'debug' is selected 
and the two first pages of a pdf file are sent to the printer with acroread:
----------------
D [31/May/2007:10:10:58 +0200] Get-Printer-Attributes 
ipp://localhost/printers/LaserJet-2300
D [31/May/2007:10:10:58 +0200] cupsdProcessIPPRequest: 6 status_code=0 
(successful-ok)
D [31/May/2007:10:11:03 +0200] cupsdAcceptClient: 9 from localhost (Domain)
D [31/May/2007:10:11:03 +0200] cupsdReadClient: 9 POST / HTTP/1.1
D [31/May/2007:10:11:03 +0200] cupsdAuthorize: No authentication data provided.
D [31/May/2007:10:11:03 +0200] CUPS-Get-Printers
D [31/May/2007:10:11:03 +0200] cupsdProcessIPPRequest: 9 status_code=0 
(successful-ok)
D [31/May/2007:10:11:03 +0200] cupsdReadClient: 9 POST / HTTP/1.1
D [31/May/2007:10:11:03 +0200] cupsdAuthorize: No authentication data provided.
D [31/May/2007:10:11:03 +0200] CUPS-Get-Classes
D [31/May/2007:10:11:03 +0200] cupsdProcessIPPRequest: 9 status_code=0 
(successful-ok)
D [31/May/2007:10:11:03 +0200] cupsdCloseClient: 9
D [31/May/2007:10:11:03 +0200] cupsdAcceptClient: 9 from localhost (Domain)
D [31/May/2007:10:11:03 +0200] cupsdReadClient: 9 POST / HTTP/1.1
D [31/May/2007:10:11:03 +0200] cupsdAuthorize: No authentication data provided.
D [31/May/2007:10:11:03 +0200] CUPS-Get-Printers
D [31/May/2007:10:11:03 +0200] cupsdProcessIPPRequest: 9 status_code=0 
(successful-ok)
D [31/May/2007:10:11:03 +0200] cupsdReadClient: 9 POST / HTTP/1.1
D [31/May/2007:10:11:03 +0200] cupsdAuthorize: No authentication data provided.
D [31/May/2007:10:11:03 +0200] CUPS-Get-Classes
D [31/May/2007:10:11:03 +0200] cupsdProcessIPPRequest: 9 status_code=0 
(successful-ok)
D [31/May/2007:10:11:03 +0200] cupsdCloseClient: 9
D [31/May/2007:10:11:03 +0200] cupsdAcceptClient: 9 from localhost (Domain)
D [31/May/2007:10:11:03 +0200] cupsdReadClient: 9 POST /printers/LaserJet-2300 
HTTP/1.1
D [31/May/2007:10:11:03 +0200] cupsdAuthorize: No authentication data provided.
D [31/May/2007:10:11:03 +0200] Print-Job ipp://localhost/printers/LaserJet-2300
D [31/May/2007:10:11:03 +0200] print_job: auto-typing file...
D [31/May/2007:10:11:03 +0200] print_job: request file type is 
application/postscript.
D [31/May/2007:10:11:03 +0200] add_job: requesting-user-name="cuesta"
I [31/May/2007:10:11:03 +0200] Adding start banner page "none" to job 95.
D [31/May/2007:10:11:03 +0200] Discarding unused job-created event...
I [31/May/2007:10:11:03 +0200] Adding end banner page "none" to job 95.
I [31/May/2007:10:11:03 +0200] Job 95 queued on "LaserJet-2300" by "cuesta".
D [31/May/2007:10:11:03 +0200] Job 95 hold_until = 0
D [31/May/2007:10:11:03 +0200] Discarding unused printer-state-changed event...
D [31/May/2007:10:11:03 +0200] job-sheets=none,none
D [31/May/2007:10:11:03 +0200] banner_page = 0
D [31/May/2007:10:11:03 +0200] [Job 95] argv[0]="LaserJet-2300"
D [31/May/2007:10:11:03 +0200] [Job 95] argv[1]="95"
D [31/May/2007:10:11:03 +0200] [Job 95] argv[2]="cuesta" 
D [31/May/2007:10:11:03 +0200] [Job 95] argv[3]="Acro000SNvw74" 
D [31/May/2007:10:11:03 +0200] [Job 95] argv[4]="1"
D [31/May/2007:10:11:03 +0200] [Job 95] argv[5]="Duplex=DuplexNoTumble 
PageRegion=A4 PageSize=A4,Duplex=DuplexNoTumble 
job-uuid=urn:uuid:200f33b1-492f-34ae-7703-3a3f2e9911cd"
D [31/May/2007:10:11:03 +0200] [Job 95] argv[6]="/var/spool/cups/d00095-001"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[0]="CUPS_CACHEDIR=/var/cache/cups"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[1]="CUPS_DATADIR=/usr/share/cups"
D [31/May/2007:10:11:03 +0200] [Job 95] 
envp[2]="CUPS_DOCROOT=/usr/share/cups/doc-root"
D [31/MaD [31/May/2007:10:11:03 +0200] [Job 95] 
envp[4]="CUPS_REQUESTROOT=/var/spool/cups"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[5]="CUPS_SERVERBIN=/usr/lib/cups"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[6]="CUPS_SERVERROOT=/etc/cups"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[7]="CUPS_STATEDIR=/var/run/cups"
D [31/May/2007:10:11:03 +0200] [Job 95] 
envp[8]="PATH=/usr/lib/cups/filter:/usr/bin:/usr/sbin:/bin:/usr/bin"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[9]="[EMAIL PROTECTED]"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[10]="SOFTWARE=CUPS/1.2.4"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[11]="TMPDIR=/var/spool/cups/tmp"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[12]="TZ=Europe/Madrid"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[13]="USER=root"
D [31/May/2007:10:11:03 +0200] [Job 95] 
envp[14]="CUPS_SERVER=/var/run/cups/cups.sock"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[15]="CUPS_ENCRYPTION=IfRequested"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[16]="IPP_PORT=631"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[17]="CHARSET=utf-8"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[18]="LANG=en_US"
D [31/May/2007:10:11:03 +0200] [Job 95] 
envp[19]="PPD=/etc/cups/ppd/LaserJet-2300.ppd"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[20]="RIP_MAX_CACHE=8m"
D [31/May/2007:10:11:03 +0200] [Job 95] 
envp[21]="CONTENT_TYPE=application/postscript"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[22]="DEVICE_URI=parallel:/dev/lp0"
D [31/May/2007:10:11:03 +0200] [Job 95] envp[23]="PRINTER=LaserJet-2300"
D [31/May/2007:10:11:03 +0200] [Job 95] 
envp[24]="FINAL_CONTENT_TYPE=application/vnd.cups-postscript"
I [31/May/2007:10:11:03 +0200] Started filter /usr/lib/cups/filter/pstops (PID 
6966) for job 95.
I [31/May/2007:10:11:03 +0200] Started backend /usr/lib/cups/backend/parallel 
(PID 6967) for job 95.
D [31/May/2007:10:11:03 +0200] Discarding unused job-state event...
D [31/May/2007:10:11:03 +0200] cupsdProcessIPPRequest: 9 status_code=0 
(successful-ok)
D [31/May/2007:10:11:03 +0200] [Job 95] backendRunLoop(print_fd=0, device_fd=4, 
use_bc=1)
D [31/May/2007:10:11:03 +0200] [Job 95] Page = 595x842; 12,12 to 583,830
D [31/May/2007:10:11:03 +0200] [Job 95] slow_collate=0, slow_duplex=0, 
slow_order=0
D [31/May/2007:10:11:03 +0200] [Job 95] Before copy_comments - %!PS-Adobe-3.0
D [31/May/2007:10:11:03 +0200] [Job 95] %!PS-Adobe-3.0
D [31/May/2007:10:11:03 +0200] [Job 95] %%Title: (GAVRILETS - Adaptive 
landscapes.pdf)
D [31/May/2007:10:11:03 +0200] [Job 95] %%Version: 1 2
D [31/May/2007:10:11:03 +0200] [Job 95] %%CreationDate: 09:11:03 AM 05/31/2007
D [31/May/2007:10:11:03 +0200] [Job 95] %%DocumentData: Clean7Bit
D [31/May/2007:10:11:03 +0200] [Job 95] %%LanguageLevel: 2
D [31/May/2007:10:11:03 +0200] [Job 95] %%BoundingBox: 0 0 612 792
D [31/May/2007:10:11:03 +0200] [Job 95] %%HiResBoundingBox: 0.0 0.0 611.998 
791.997
D [31/May/2007:10:11:03 +0200] [Job 95] %%Pages: 2
D [31/May/2007:10:11:03 +0200] [Job 95] %%DocumentProcessColors: (atend)
D [31/May/2007:10:11:03 +0200] [Job 95] %%DocumentSuppliedResources:
D [31/May/2007:10:11:03 +0200] [Job 95] %%+ procset (Adobe Acrobat - PDF 
operators) 1.2 0
D [31/May/2007:10:11:03 +0200] [Job 95] %%+ procset (Adobe Acrobat - type 
operators) 1.2 0
D [31/May/2007:10:11:03 +0200] [Job 95] %%EndComments
D [31/May/2007:10:11:03 +0200] [Job 95] Before copy_prolog - %%BeginDefaults
D [31/May/2007:10:11:03 +0200] [Job 95] Before copy_setup - 
%%BeginSetupy/2007:10:11:03 +0200] [Job 95] 
envp[3]="CUPS_FONTPATH=/usr/share/cups/fonts"
D [31/May/2007:10:11:03 +0200] [Job 95] Read 4096 bytes of print data...
D [31/May/2007:10:11:03 +0200] [Job 95] Before page loop - %%Page: 1 1
D [31/May/2007:10:11:03 +0200] [Job 95] Copying page 1...
D [31/May/2007:10:11:03 +0200] Discarding unused job-progress event...
D [31/May/2007:10:11:03 +0200] [Job 95] pagew = 571.1, pagel = 817.6
D [31/May/2007:10:11:03 +0200] Discarding unused printer-state-changed event...
D [31/May/2007:10:11:03 +0200] [Job 95] bboxw = 595, bboxl = 842
D [31/May/2007:10:11:03 +0200] [Job 95] PageLeft = 12.0, PageRight = 583.1
D [31/May/2007:10:11:03 +0200] [Job 95] PageTop = 829.7, PageBottom = 12.1
D [31/May/2007:10:11:03 +0200] [Job 95] PageWidth = 595.0, PageLength = 842.0
D [31/May/2007:10:11:03 +0200] cupsdCloseClient: 9
D [31/May/2007:10:11:03 +0200] [Job 95] Wrote 4096 bytes of print data...
D [31/May/2007:10:11:03 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:03 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:03 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:03 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:03 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:03 +0200] cupsdReadClient: 6 POST / HTTP/1.1
D [31/May/2007:10:11:03 +0200] cupsdAuthorize: No authentication data provided.
D [31/May/2007:10:11:03 +0200] CUPS-Get-Printers
D [31/May/2007:10:11:03 +0200] cupsdProcessIPPRequest: 6 status_code=0 
(successful-ok)
D [31/May/2007:10:11:03 +0200] cupsdReadClient: 6 POST / HTTP/1.1
D [31/May/2007:10:11:03 +0200] cupsdAuthorize: No authentication data provided.
D [31/May/2007:10:11:03 +0200] Get-Printer-Attributes 
ipp://localhost/printers/lasercolor
D [31/May/2007:10:11:03 +0200] cupsdProcessIPPRequest: 6 status_code=0 
(successful-ok)
D [31/May/2007:10:11:03 +0200] cupsdReadClient: 6 POST / HTTP/1.1
D [31/May/2007:10:11:03 +0200] cupsdAuthorize: No authentication data provided.
D [31/May/2007:10:11:03 +0200] Get-Printer-Attributes 
ipp://localhost/printers/LaserJet-2300
D [31/May/2007:10:11:03 +0200] cupsdProcessIPPRequest: 6 status_code=0 
(successful-ok)
D [31/May/2007:10:11:04 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:04 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:04 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:04 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:04 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:04 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:04 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:04 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:05 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:05 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:05 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:05 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:05 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:05 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:05 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:05 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:06 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:06 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:06 +0200] [Job 95] Copying page 2...
D [31/May/2007:10:11:06 +0200] Discarding unused job-progress event...
D [31/May/2007:10:11:06 +0200] [Job 95] pagew = 571.1, pagel = 817.6
D [31/May/2007:10:11:06 +0200] [Job 95] bboxw = 595, bboxl = 842
D [31/May/2007:10:11:06 +0200] [Job 95] PageLeft = 12.0, PageRight = 583.1
D [31/May/2007:10:11:06 +0200] [Job 95] PageTop = 829.7, PageBottom = 12.1
D [31/May/2007:10:11:06 +0200] [Job 95] PageWidth = 595.0, PageLength = 842.0
D [31/May/2007:10:11:06 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:06 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:06 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:06 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:06 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:06 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:06 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:06 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:07 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:07 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:07 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:07 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:07 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:07 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:07 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:07 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:08 +0200] cupsdReadClient: 6 POST / HTTP/1.1
D [31/May/2007:10:11:08 +0200] cupsdAuthorize: No authentication data provided.
D [31/May/2007:10:11:08 +0200] CUPS-Get-Printers
D [31/May/2007:10:11:08 +0200] cupsdProcessIPPRequest: 6 status_code=0 
(successful-ok)
D [31/May/2007:10:11:08 +0200] cupsdReadClient: 6 POST / HTTP/1.1
D [31/May/2007:10:11:08 +0200] cupsdAuthorize: No authentication data provided.
D [31/May/2007:10:11:08 +0200] Get-Printer-Attributes 
ipp://localhost/printers/lasercolor
D [31/May/2007:10:11:08 +0200] cupsdProcessIPPRequest: 6 status_code=0 
(successful-ok)
D [31/May/2007:10:11:08 +0200] cupsdReadClient: 6 POST / HTTP/1.1
D [31/May/2007:10:11:08 +0200] cupsdAuthorize: No authentication data provided.
D [31/May/2007:10:11:08 +0200] Get-Printer-Attributes 
ipp://localhost/printers/LaserJet-2300
D [31/May/2007:10:11:08 +0200] cupsdProcessIPPRequest: 6 status_code=0 
(successful-ok)
D [31/May/2007:10:11:08 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:08 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:08 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:08 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:08 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:08 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:12 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:12 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:12 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:12 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:12 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:12 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:12 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:12 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:12 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:12 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:12 +0200] cupsdCloseClient: 7
D [31/May/2007:10:11:13 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:13 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:13 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:13 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:13 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:13 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:13 +0200] [Job 95] Wrote 2 pages...
D [31/May/2007:10:11:13 +0200] PID 6966 (/usr/lib/cups/filter/pstops) exited 
with no errors.
D [31/May/2007:10:11:13 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:13 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:13 +0200] cupsdReadClient: 6 POST / HTTP/1.1
D [31/May/2007:10:11:13 +0200] cupsdAuthorize: No authentication data provided.
D [31/May/2007:10:11:13 +0200] CUPS-Get-Printers
D [31/May/2007:10:11:13 +0200] cupsdProcessIPPRequest: 6 status_code=0 
(successful-ok)
D [31/May/2007:10:11:13 +0200] cupsdReadClient: 6 POST / HTTP/1.1
D [31/May/2007:10:11:13 +0200] cupsdAuthorize: No authentication data provided.
D [31/May/2007:10:11:13 +0200] Get-Printer-Attributes 
ipp://localhost/printers/lasercolor
D [31/May/2007:10:11:13 +0200] cupsdProcessIPPRequest: 6 status_code=0 
(successful-ok)
D [31/May/2007:10:11:13 +0200] cupsdReadClient: 6 POST / HTTP/1.1
D [31/May/2007:10:11:13 +0200] cupsdAuthorize: No authentication data provided.
D [31/May/2007:10:11:13 +0200] Get-Printer-Attributes 
ipp://localhost/printers/LaserJet-2300
D [31/May/2007:10:11:13 +0200] cupsdProcessIPPRequest: 6 status_code=0 
(successful-ok)
D [31/May/2007:10:11:14 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:14 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:14 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:14 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:14 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:14 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:14 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:14 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:15 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:15 +0200] [Job 95] Read 8192 bytes of print data...
D [31/May/2007:10:11:15 +0200] [Job 95] Wrote 8192 bytes of print data...
D [31/May/2007:10:11:15 +0200] [Job 95] Read 7958 bytes of print data...
D [31/May/2007:10:11:15 +0200] [Job 95] Wrote 7958 bytes of print data...
D [31/May/2007:10:11:15 +0200] PID 6967 (/usr/lib/cups/backend/parallel) exited 
with no errors.
D [31/May/2007:10:11:15 +0200] [Job 95] File 0 is complete.
D [31/May/2007:10:11:15 +0200] Discarding unused printer-state-changed event...
D [31/May/2007:10:11:15 +0200] Discarding unused job-completed event...
D [31/May/2007:10:11:16 +0200] Unloading job 95...
----------------

** Affects: Ubuntu
     Importance: Undecided
         Status: Unconfirmed

-- 
no double-side (duplex) printing in edgy
https://bugs.launchpad.net/bugs/117906
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