Re: Cups+gutenprint color balance shot.
In 4c7008fe.6060...@verizon.net, Gary Roach wrote: Testing shows that switching between CYMK and RGB makes no difference. Pure magenta, yellow and cyan print correctly. The ligh colors red, yellow and blue print correctly but none of the other colors on the color selector are correct. I don't think tweeking color balance is going to help this problem. There is too great an error. Thanks for any help you may offer. Yeah I'm pretty sure you need to mess around with color balance and color profiles on your OS(es), monitor, and printer. If your pure colors are coming out correctly but your blends are not, it almost certainly means that the color curve being used by your printer is not the same as the one being used by your computer. I'm not sure about color balance, but I do know Gamma values, which may matter, differ from WinXP to X11. -- Boyd Stephen Smith Jr. ,= ,-_-. =. b...@iguanasuicide.net ((_/)o o(\_)) ICQ: 514984 YM/AIM: DaTwinkDaddy `-'(. .)`-' http://iguanasuicide.net/\_/ signature.asc Description: This is a digitally signed message part.
Re: Cups+gutenprint color balance shot.
On Sat, Aug 21, 2010 at 10:12:30AM -0700, Gary Roach wrote: I have been doing all of my color printing on my Win2K system directly attached to an Epson stylus photo RX680 printer. All is well. I just installed a new computer on my office network that runs on linux. I am using Samba and Cups+gutenprint v5.2.5 with the Win2K/Epson printer as my network printer. For text printing everything works fine. I decided to shift my color work to the new computer (at least 10x faster than any other computer on the net) and was shocked when I printed a NFTA label (those diamond shaped labels you see on hazardous material containers) when the red came out peach and the blue came out purple. The same file printed on the Win2K system is fine. All linux systems are running the latest Squeeze software and kernel 2.6.32-trunk-686 #1 SMP Sun Jan 10 06:32:16 UTC 2010. Could you post the printer definition from printers.conf? If it's a networked printer, you need to make sure the remote spooler and/or printer aren't doing any further processing: you want the raw output from gutenprint sent directly to the printer. This should already be the case. The model should be supported by gutenprint: printer translate=name name=Epson Stylus Photo RX680 driver=escp2-rx680 manufacturer=Epson model=97 parameters=claria_params foomaticid=Epson-Stylus_Photo_RX680 / However, if none of the developers of gutenprint have never seen this particular model, the colour balance may never have been tuned. Or, a change in gutenprint after the model was added may have caused an unwanted regression in the colour balance for this model. Firstly, I'd suggest trying gutenprint v5.2.6 from unstable. It's possible support was improved in the new release. It was added last weekend. Make sure you upgrade cups-driver-gutenprint, libgutenprint2 and other dependent packages. If this doesn't improve things, your best bet is to subscribe to gimp-print-devel mailing list on the gutenprint project site and ask the developers. They can help you tune it and get the colour balance right. Regards, Roger -- .''`. Roger Leigh : :' : Debian GNU/Linux http://people.debian.org/~rleigh/ `. `' Printing on GNU/Linux? http://gutenprint.sourceforge.net/ `-GPG Public Key: 0x25BFB848 Please GPG sign your mail. signature.asc Description: Digital signature
Re: Cups+gutenprint color balance shot.
On Sat, 21 Aug 2010 10:12:30 -0700, Gary Roach wrote: I have been doing all of my color printing on my Win2K system directly attached to an Epson stylus photo RX680 printer. All is well. I just installed a new computer on my office network that runs on linux. I am using Samba and Cups+gutenprint v5.2.5 with the Win2K/Epson printer as my network printer. For text printing everything works fine. I decided to shift my color work to the new computer (at least 10x faster than any other computer on the net) and was shocked when I printed a NFTA label (those diamond shaped labels you see on hazardous material containers) when the red came out peach and the blue came out purple. The same file printed on the Win2K system is fine. All linux systems are running the latest Squeeze software and kernel 2.6.32-trunk-686 #1 SMP Sun Jan 10 06:32:16 UTC 2010. (...) Remember that Epson printers/all-in-one devices can also use Avasys¹ drivers (and there is still one more option, Turboprint², but you need to buy a licence for it and has a reduced support for printers brand and models). Maybe Avasys drivers gives you a better print quality, but cannot confirm this point because I've never used that drivers before. ¹ http://www.avasys.jp/lx-bin2/linux_e/spc/DL1.do ² http://www.turboprint.info/ Greetings, -- Camaleón -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/pan.2010.08.21.20.11...@gmail.com
Re: Cups+gutenprint color balance shot.
Thanks for the return. The RX680 is listed as one the printers in the Cups setup program. Here is the file you requested. # Printer configuration file for CUPS v1.4.4 # Written by cupsd # DO NOT EDIT THIS FILE WHEN CUPSD IS RUNNING Printer epson Info Epson Stylus Photo RX680 Location Here MakeModel Epson Stylus Photo RX680 - CUPS+Gutenprint v5.2.5 DeviceURI smb://gary:xxx...@workgroup/ctech/epson State Idle StateTime 1279057966 Type 8425500 Filter application/vnd.cups-raw 0 - Filter application/vnd.cups-raster 100 rastertogutenprint.5.2 Filter application/vnd.cups-command 33 commandtoepson Accepting Yes Shared Yes JobSheets none none QuotaPeriod 0 PageLimit 0 KLimit 0 OpPolicy default ErrorPolicy stop-printer /Printer I may post this on the gimp-print-devel mailing list as Roger Leigh suggested. Gary R. -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/4c7043ca.6050...@verizon.net
Re: Cups+gutenprint color balance shot.
On Sat, Aug 21, 2010 at 02:23:22PM -0700, Gary Roach wrote: Thanks for the return. The RX680 is listed as one the printers in the Cups setup program. Here is the file you requested. # Printer configuration file for CUPS v1.4.4 # Written by cupsd # DO NOT EDIT THIS FILE WHEN CUPSD IS RUNNING Printer epson Info Epson Stylus Photo RX680 Location Here MakeModel Epson Stylus Photo RX680 - CUPS+Gutenprint v5.2.5 DeviceURI smb://gary:xxx...@workgroup/ctech/epson There's nothing wrong with the printers.conf definition, so it's not a CUPS configuration issue. Regards, Roger -- .''`. Roger Leigh : :' : Debian GNU/Linux http://people.debian.org/~rleigh/ `. `' Printing on GNU/Linux? http://gutenprint.sourceforge.net/ `-GPG Public Key: 0x25BFB848 Please GPG sign your mail. signature.asc Description: Digital signature
