Binary package hint: cupsys
Printing a pdf file doesn't work for me currently in gutsy.
From /var/log/cups/error_log:
E [11/Jul/2007:19:17:28 +0200] [Job 271] pdftops-options: -cfg /etc/cups/pdftops.conf
D [11/Jul/2007:19:17:28 +0200] Discarding unused printer-state-changed event...
D [11/Jul/2007:19:17:28 +0200] [Job 271] pdftops version 3.00
D [11/Jul/2007:19:17:28 +0200] [Job 271] Copyright 1996-2004 Glyph & Cog, LLC
D [11/Jul/2007:19:17:28 +0200] [Job 271] Usage: pdftops [options] <PDF-file> [<PS-file>]
D [11/Jul/2007:19:17:28 +0200] [Job 271] -f <int> : first page to print
D [11/Jul/2007:19:17:28 +0200] [Job 271] -l <int> : last page to print
D [11/Jul/2007:19:17:28 +0200] [Job 271] -level1 : generate Level 1 PostScript
D [11/Jul/2007:19:17:28 +0200] [Job 271] -level1sep : generate Level 1 separable PostScript
D [11/Jul/2007:19:17:28 +0200] [Job 271] -level2 : generate Level 2 PostScript
D [11/Jul/2007:19:17:28 +0200] [Job 271] -level2sep : generate Level 2 separable PostScript
D [11/Jul/2007:19:17:28 +0200] [Job 271] -level3 : generate Level 3 PostScript
D [11/Jul/2007:19:17:28 +0200] [Job 271] -level3sep : generate Level 3 separable PostScript
D [11/Jul/2007:19:17:28 +0200] [Job 271] -eps : generate Encapsulated PostScript (EPS)
D [11/Jul/2007:19:17:28 +0200] [Job 271] -form : generate a PostScript form
D [11/Jul/2007:19:17:28 +0200] [Job 271] -opi : generate OPI comments
D [11/Jul/2007:19:17:28 +0200] [Job 271] -noembt1 : don't embed Type 1 fonts
D [11/Jul/2007:19:17:28 +0200] [Job 271] -noembtt : don't embed TrueType fonts
D [11/Jul/2007:19:17:28 +0200] [Job 271] -noembcidps : don't embed CID PostScript fonts
D [11/Jul/2007:19:17:28 +0200] [Job 271] -noembcidtt : don't embed CID TrueType fonts
D [11/Jul/2007:19:17:28 +0200] [Job 271] -preload : preload images and forms
D [11/Jul/2007:19:17:28 +0200] [Job 271] -paper <string> : paper size (letter, legal, A4, A3, match)
D [11/Jul/2007:19:17:28 +0200] [Job 271] -paperw <int> : paper width, in points
D [11/Jul/2007:19:17:28 +0200] [Job 271] -paperh <int> : paper height, in points
D [11/Jul/2007:19:17:28 +0200] [Job 271] -nocrop : don't crop pages to CropBox
D [11/Jul/2007:19:17:28 +0200] [Job 271] -expand : expand pages smaller than the paper size
D [11/Jul/2007:19:17:28 +0200] [Job 271] -noshrink : don't shrink pages larger than the paper size
D [11/Jul/2007:19:17:28 +0200] [Job 271] -nocenter : don't center pages smaller than the paper size
D [11/Jul/2007:19:17:28 +0200] [Job 271] -duplex : enable duplex printing
D [11/Jul/2007:19:17:28 +0200] [Job 271] -opw <string> : owner password (for encrypted files)
D [11/Jul/2007:19:17:28 +0200] [Job 271] -upw <string> : user password (for encrypted files)
D [11/Jul/2007:19:17:28 +0200] [Job 271] -q : don't print any messages or errors
D [11/Jul/2007:19:17:28 +0200] [Job 271] -v : print copyright and version info
D [11/Jul/2007:19:17:28 +0200] [Job 271] -h : print usage information
D [11/Jul/2007:19:17:28 +0200] [Job 271] -help : print usage information
D [11/Jul/2007:19:17:28 +0200] [Job 271] --help : print usage information
D [11/Jul/2007:19:17:28 +0200] [Job 271] -? : print usage information
E [11/Jul/2007:19:17:28 +0200] [Job 271] pdftops_path exited with exit code 1
D [11/Jul/2007:19:17:28 +0200] Discarding unused printer-state-changed event...
E [11/Jul/2007:19:17:28 +0200] PID 18560 (/usr/lib/cups/filter/pdftops) stopped with status 1!
E [11/Jul/2007:19:17:28 +0200] [Job 271] Empty print file!
When I change /usr/lib/cups/filter/pdftops to not pass "-cfg /etc/cups/pdftops.conf" anymore, printing works again.
ii cupsys 1.2.11-2ubuntu2 Common UNIX Printing System(tm) - server
ii poppler-utils 0.5.9-0ubuntu1 PDF utilitites (based on libpoppler)
Fixed in Debian svn trunk, will merge/upload soon.