On Thu, Oct 02, 2008 at 11:59:04AM +0100, Mike Clarke wrote: > On Wednesday 01 October 2008, Roland Smith wrote: > > > On Wed, Oct 01, 2008 at 03:46:29PM +0100, Mike Clarke wrote: > > > I've just installed a Canon Pixma iP4500 on a 6.3 system using CUPS > > > and gutenprint. Black printing is fine but I've got problems with > > > colours. The colour wheel on the CUPS test page comes out as a > > > psychedelic collection of brightly coloured rings. If I print from > > > gimp then the correct colours appear but they are very dark and > > > "muddy". The colours start to look a bit more reasonable from the > > > gimp if I push the gamma value up to 2. > > > > Have you installed a .ppd file for this printer? This is a file that > > tells cups about the capabilities of this printer. > > I'm using the ppd file bundled with cups > (/usr/local/share/cups/model/gutenprint/5.1/en_GB/stp-bjc-PIXMA-iP4500.5.1.ppd.gz). > > > See > > http://www.linuxprinting.org/show_printer.cgi?recnum=Canon-PIXMA_IP43 > >00_OR_PIXMA_IP4500 > > > > I'm not sure if just installing the ppd file works. It does for my > > PostScript printer. > > That didn't work for me. I couldn't find anywhere to download just the > ppd file file so I downloaded cnijfilter-ip4500series_2.80-1_i386.deb > from Canon's site and extracted the ppd file from that with tar. That > failed with the message "Unable to > execute /usr/local/libexec/cups/filter/pstocanonij: No such file or > directory". Then I edited the cupsfilter line in the ppd file and > replaced pstocanonij with rastertogutenprint.5.1 but that just resulted > in "Gutenprint Fatal error: Corrupted NickName attribute in PPD file".
I was afraid that might happen. It needs a specific filter program. I'm assuming that pstocanonij is a binary-only Linux program? You could try getting it to work using FreeBSD's Linux emulation. > Interestingly the CUPS test page > (/usr/local/share/cups/data/testprint.ps) only produces the psychedelic > rings in the colour wheel if I print it from the local CUPS web page or > from KGhostView, if I open it with the gimp and print from there I get > the correct colour pattern but with very muddy colours. Gimp uses Gutenprint doesn't it? So you could try using the gutenprint driver? My strategy is to try and avoid these troubles. Spend a bit more and get a printer that works with postscript. Those will work on any UNIX-like OS. Roland -- R.F.Smith http://www.xs4all.nl/~rsmith/ [plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated] pgp: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 (KeyID: C321A725)
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